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Toro Dingo TX 413 Service Manual
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Toro Dingo TX 413 Service Manual

Compact utility loader
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  • Page 1 Sitework Systems Products Dingo TX 413 ® Compact Utility Loader Service Manual...

  • Page 2: About This Manual

    ABOUT THIS MANUAL This service manual was written expressly for Toro service technicians. The Toro company has made every effort to make the information in this manual complete and correct. Basic shop safety knowledge and mechanical/electrical skills are assumed. The Table of Contents lists the systems and the related topics covered in this manual.
  • Page 3 REVISIONS TX 413 SERVICE MANUAL Revision 000 ... 7/30/05 Revision 001 ... 4/13/09 Rev. 001 TX 413 Service Manual...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS TX 413 SERVICE MANUAL Safety Information General Information ......Think Safety First ......Specifications General Specifications .
  • Page 5 TABLE OF CONTENTS TX 413 SERVICE MANUAL Hydraulic System Hydrostatic Pump Reference Drawing ....Valve Reference Drawings ..... . . Purging Air Procedures .
  • Page 6 TABLE OF CONTENTS TX 413 SERVICE MANUAL Hydraulic Lift Assembly cont. Loader Valve Disassembly and Assembly ....7-47 Joystick Assembly Removal ..... . . 7-47 Joystick Assembly Installation .
  • Page 7 TABLE OF CONTENTS TX 413 SERVICE MANUAL Attachments Auger Removal ...........................10-2 Auger Reassembly ........................10-3 Auger Tooth and Fishtail Shank Removal ..................10-3 Fishtail Shank Installation ......................10-4 Auger Tooth Replacement ......................10-5 Disassemble Auger Power Head ....................10-5 Hydraulic Motor Removal ......................10-7 Shaft Removal ..........................10-8 Remove Power Head from Frame Assembly ................

  • Page 8: Safety Information

    SAFETY INFORMATION TX 413 Service Manual Rev. 000...

  • Page 9: General Information

    Avoid asphyxiation... information and operating tips for safe operating practices. Operator's manuals are Never operate an engine in a confi ned area available through your Toro parts source or: without proper ventilation. The Toro Company Avoid injury from batteries... Publications Department...
  • Page 10 SAFETY INFORMATION Avoid modifi cations... Never alter or modify any part unless it is a factory approved procedure. Avoid unsafe operation... Always test the safety interlock system after making adjustments or repairs on the machine. Refer to the Electrical section in this manual for more information.
  • Page 11 SAFETY INFORMATION THIS PAGE INTENTIONALLY LEFT BLANK. Rev. 000 TX 413 Service Manual...

  • Page 12: Specifications

    SPECIFICATIONS TX 413 Service Manual Rev. 000...

  • Page 13: General Specifications

    SPECIFICATIONS Special Tools • Hydraulic Flow & Pressure Tester (Hydro-Gear BDP) Bi-directional Flow Test Kit (P/N 70661) or equivalent • 15º/60º Offset Open End Wrench, 1/8" and 15/16" • Torque Wrenches - nominal torque ranges, plus one capable of 300 ft-lbs. (407 Nm) •...

  • Page 14: Hydraulic System

    SPECIFICATIONS Hydraulic System: Item Specification Gear Pump Single section 6.9 gpm (26.12 liter/min) gear pump powers the loader and auxiliary hydraulic systems. Loader Valve Two-spool mono-block valve controls loader functions via a single lever joystick. The valve has a power beyond circuit which feeds the auxiliary circuit. Main Relief Setting: 2650 psi (182.71 bar) Work Port Reliefs: 2030 psi (140 bar) for the bucket curl and loader lower circuit.

  • Page 15: Track System

    SPECIFICATIONS Track System: Item Specification Track The tracks are Kevlar reinforced, endless rubber rings with 28 internal lugs. The outer tread on the tracks is a turf-friendly S-shaped pattern with pitched crosscuts. Track Width: 5.88 inches (14.9cm) Track Pitch: 3.45 inches (8.8cm) Drive Wheel The drive wheels are single-piece, austempered ductile iron, “squirrel cage”...
  • Page 16 Fastener Identification Recommended fastener torque values are listed in the following tables. For critical applications, as determined by Toro, either the recommended torque or a torque that is unique to the application is clearly identified and specified in the service manual.
  • Page 17 SPECIFICATIONS Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Inch Series) Grade 1, 5, & SAE Grade 1 Bolts, Screws, SAE Grade 5 Bolts, Screws, SAE Grade 8 Bolts, Screws, 8 with Thin Studs, & Sems with Regular Studs, & Sems with Regular Studs, &...
  • Page 18 SPECIFICATIONS Standard Torque for Dry, Zinc, and Steel Fasteners (Metric Fasteners) Class 8.8 Bolts, Screws, and Studs with Class 10.9 Bolts, Screws, and Studs with Thread Size Regular Height Nuts Regular Height Nuts ( (Class 8 or Strong Nuts) Class 10 or Strong Nuts) M5 X 0.8 57 ±...
  • Page 19 SPECIFICATIONS Other Torque Specifications SAE Grade 8 Steel Set Screws Wheel Bolts and Lug Nuts Recommended Torque Thread Size Recommended Torque** Thread Size Square Head Hex Socket 7/16 - 20 UNF 65 ± 10 ft-lb 88 ± 14 N-m Grade 5 1/4 - 20 UNC 140 ±...
  • Page 20 SPECIFICATIONS Equivalents and Conversions Decimal and Millimeter Equivalents Fractions Decimals Fractions Decimals 1/64 0.015625 0.397 33/64 0.515625 13.097 1/32 0.03125 0.794 16/32 0.53125 13.484 3/64 0.046875 1.191 35/64 0.546875 13.891 1/16 0.0625 1.588 9/16 0.5625 14.288 5/64 0.078125 1.984 37/64 0.578125 14.684 3/32...
  • Page 21 SPECIFICATIONS U.S. to Metric Conversions To Convert Into Multiply By Miles Kilometers 1.609 Yards Meters 0.9144 Feet Meters 0.3048 Linear Feet Centimeters 30.48 Measurement Inches Meters 0.0254 Inches Centimeters 2.54 Inches Millimeters 25.4 Square Miles Square Kilometers 2.59 Square Feet Square Meters 0.0929 Area...
  • Page 22 MAINTENANCE TX 413 Service Manual Rev. 000...

  • Page 23: Greasing The Traction Unit

    MAINTENANCE Greasing the Traction Unit (1) is located under the hood for the loader arm assembly (Fig. 002). Grease all pivot joints every 8 operating hours and immediately after every washing. Grease Type: Lithium based NLGI2 1. Lower the loader arm and stop the engine. Remove the key from the ignition switch.

  • Page 24: Maintaining The Road Wheels

    MAINTENANCE (2) are located on the right side of the unit (Fig. 004). 3. Remove the wheel bearing cap with seal (Figure 006). Figure 004 DSC-0769 Figure 006 DSC-0822 Maintaining the Road Wheels 4. Ensure that the road wheel turns smoothly on the 1.

  • Page 25: Hydraulic Reservoir Tank

    MAINTENANCE 6. Place the greased road wheel cap and seal over Hydraulic Reservoir Tank the bolt head. Location 7. Secure the road wheel cap with the snap ring The hydraulic reservoir tank is located in the front of (Fig. 008). the TX 413 unit.

  • Page 26: Replacing The Hydraulic Filter

    MAINTENANCE 5. Remove the cap from the filler neck (Fig. 010). Replacing the Hydraulic Filter Change the hydraulic filter: After the first 8 operating hours. After every 200 operating hours. 1. Position traction unit on level surface. 2. Lower the loader arm, stop the engine, and remove the key.

  • Page 27: Changing The Hydraulic Fluid

    MAINTENANCE 6. Remove the hydraulic tank cap and dipstick 9. Start the engine, raise and lower the loader arm, (Figures 014 and 015). then drive the unit forward and backward to purge air from the system and check for leaks. 10.

  • Page 28: Checking The Hydraulic Lines

    11. Start the engine, remove the cylinder lock, raise and lower the loader arm, then drive the unit for- See the Dingo TX 413 Operator's Manual. Or, for ward and backward to purge air from the system more details, see the Honda Engine Operator’s or and check for leaks.

  • Page 29: Recommended Maintenance Schedule

    MAINTENANCE Recommended Maintenance Schedule Maintenance Service Interval Maintenance Procedure 8 hrs Grease the traction unit Check engine oil level Check for loose fasteners Inspect the tracks for damage or wear Change hydraulic filter after the initial 8-10 operating hours 25 hrs Check hydraulic oil Inspect hydraulic lines for leaks 50 hrs...

  • Page 30: Engine

    ENGINE TX 413 Service Manual Rev. 000...

  • Page 31: Introduction

    ENGINE Introduction 4. Remove the drive belt; refer to Drive Belt Removal and Replacement, page 8-2. The engine removal and installation procedure 5. Loosen the two set screws on the engine drive is provided in this manual. Refer to the engine pulley (Fig.
  • Page 32 ENGINE 7. Remove the bolt and nut securing the exhaust 9. Remove the four bolts and nuts at the base of the deflector to the left hand frame (Fig. 021). front grille (Fig. 023). Figure 023 DSC-1092 Figure 021 DSC-1090 8.
  • Page 33 ENGINE 11. Remove the gas tank vent hose on the hydraulic 13. Remove the bolt and nut retaining the hose oil filter bracket (Fig. 025). clamp for the oil reservoir vent hose and the clamp holding the fuel shut off valve (Fig. 027). Figure 025 DSC-1095 Figure 027...
  • Page 34 ENGINE 15. Remove the fuel line clamp located at the electric 17. Remove the two bolts and nuts to the tank fuel shut off valve (fuel line between shut off valve bracket on the right side (Fig. 031). and carburetor (Fig. 029). Figure 031 DSC-1101 Figure 029...
  • Page 35 ENGINE 19. Disconnect the charge coil wire, black to white 21. Disconnect the oil switch, black to white wire (Fig. (Fig. 033). 035). Figure 033 DSC-1103 Figure 035 DSC-1107 20. Disconnect the plug and jack connection for the 22. Disconnect the blue wire and two red wires on charge coil leads to the rectifier (Fig.
  • Page 36 ENGINE 23. Disconnect the throttle cable clamp and the throt- 25. Remove the two front engine mounting bolts and tle cable from the top of the engine (Fig. 037). nuts (Fig. 039). Figure 039 DSC-1114 Figure 037 DSC-1112 A. Throttle Clamp B.

  • Page 37: Engine Installation

    ENGINE 27. With an overhead hoist, raise the engine slightly 2. Install the two rear engine mounting bolts and and slide the engine forward and then up and off nuts. the frame of the unit (Fig. 041). Note: Make sure the two ground wires are installed on the left rear bolt, with the star washer installed first.

  • Page 38: Choke Cable Installation

    ENGINE 9. Apply an anti-seize compound to the engine Choke Cable Installation crankshaft and key. Apply a medium strength 1. Move the choke control on the dash to full threadlocking material to the threads of the set position, then back the choke control so it is screws and install the engine drive pulley.

  • Page 39: Throttle Cable Installation

    ENGINE Throttle Cable Installation 4. Connect the blue wire onto the spade terminal and the two red wires to the post on the starter 1. Move the throttle control on the dash to full posi- assembly (Fig. 051). tion, then back the throttle control so it is approxi- mately 1/16"...
  • Page 40 ENGINE 6. Connect the plug and jack connection to the 8. Install the fuel tank and tank bracket on the frame alternator wires to the rectifier (Fig. 053). (Fig. 055). Figure 053 DSC-1105 Figure 055 DSC-1102 9. Install two bolts and nuts located on the right side 7.
  • Page 41 ENGINE 10. Connect the wire terminals for the fuel shut off 12. Install the bolt and nut retaining the hose clamp valve (Fig. 057). for the oil reservoir vent hose and the clamp holding the fuel shut off valve and tighten (Fig. 059).
  • Page 42 ENGINE 15. Install the fuel tank vent hose on the oil filter 17. Install four bolts and washers located at the base bracket (Fig. 061). of the front grille (Fig. 063). Figure 061 DSC-1095 Figure 063 DSC-1129 16. Install the front grille with the exhaust deflector 18.

  • Page 43: Fuel Tank Removal

    ENGINE 19. Install bolt and nut located at the bottom of the Fuel Tank Removal exhaust deflector and tighten the bolt (Fig. 065). 1. Start the unit, raise the lift arm to the fully raised Then tighten the rest of the bolts in the front position and install the hydraulic cylinder lock in grille, the right side tank bracket, and on the the lift cylinder.
  • Page 44 ENGINE 5. Disconnect the fuel line located on fuel shut off 7. Remove the fuel line from the fuel tank fitting. valve that goes to the fuel tank (Fig. 068). With a wrench, turn the fuel tank fitting so it is pointing out toward the left side of the unit (Fig.

  • Page 45: Bulkhead Fuel Fitting Replacement

    ENGINE Bulkhead Fuel Fitting Replacement 3. Remove the fuel fitting from the steel wire. Tape a new fuel fitting to the steel wire and pull the fitting 1. Remove the nut and washer from the fuel fitting through the fuel tank and out the bottom of the (Fig.

  • Page 46: Fuel Tank Installation

    ENGINE Fuel Tank Installation 3. Install the fuel line on the fuel shut off valve and install the clamp (Fig. 078). 1. Install the fuel tank on the unit taking care not to damage the fuel fitting (Fig. 076). Figure 078 DSC-1133 Figure 076 DSC-1139...

  • Page 47: Starter Service

    ENGINE 5. Install the vent hose on the oil filter bracket (Fig. Starter Service 080). Serial numbers 200000200 and higher have an opening for easier access to the starter (Fig. 081). Figure 080 DSC-1095 Figure 081 DSC-0583 6. Install the positive battery cable, then the negative cable.

  • Page 48: Electrical System

    ELECTRICAL SYSTEM PK PK BN GN R VIO NOTE: SOME WIRE COLORS CHANGE HOUR METER AT REGULATOR CONNECTOR REG. DC 25 A BK/Y 10 A VOLTAGE REGULATOR GN GN W/BU CHARGE LAMP NEUTRAL CLOSED WHEN < < START SPARK IN NEUTRAL <...

  • Page 49: Relay

    ELECTRICAL SYSTEM There are two primary current paths when the How It Works ignition switch is in the "START" position. (1) Current A relay is an electrically actuated switch. flows from the ignition switch to both the coil and contact terminals of the start relay. From the coil 1.

  • Page 50: Ignition Switch

    ELECTRICAL SYSTEM 4. Connect multimeter (ohms setting) leads to Location relay terminals 30 and 87a. Apply +12 VDC to The ignition switch is located on the top control terminal 85. With terminal 86 still grounded, the panel (Fig. 087). relay should break and make continuity between terminals 30 and 87a as 12 VDC is applied and removed from the terminal (Fig.

  • Page 51: Auxiliary Power Neutral Switch

    ELECTRICAL SYSTEM Auxiliary Power Neutral Switch Testing Purpose 1. Disconnect the switch from the wiring harness. Leave the switch in the Auxiliary Power Valve. 3. The normally closed ball type switch is used on the auxiliary power valve. This is a safety type switch 2.
  • Page 52 ELECTRICAL SYSTEM Location 3. If not, check stator output. Using a multimeter set to AC volts, connect a probe to D and E The regulator-rectifier is located behind the rear terminal (grey wire). Start the unit and operate at cover, in back of the hoses (Fig. 091). full throttle.

  • Page 53: Hour Meter

    ELECTRICAL SYSTEM Hour Meter Testing Purpose 1. Verify that 12 volts is present across the two terminals when the key is in the "RUN" position. The hour meter keeps track of how long the Since the meter is polarized, it is important the key has been in the "RUN"...
  • Page 54 ELECTRICAL SYSTEM Location Testing The neutral proximity switch is located behind 1. Before electrically testing the switch, check the the rear cover, under the dash, in front of the traction location of the switch and bolt, to make sure they are control lever (Fig.

  • Page 55: Fuel Solenoid Or Shutoff Valve

    ELECTRICAL SYSTEM Fuel Solenoid or Shutoff Valve Testing Purpose 1. With the fuel solenoid connected to the wire harness, turn the ignition key to the "RUN" position. The fuel shutoff valve is located in-line between Verify there is 12 VDC at the connector with the pink the gas tank and the engine carburetor.

  • Page 56: Electrical Schematic Wiring Diagram

    ELECTRICAL SYSTEM Electrical Schematic Wiring Diagram PN 88-9830 WIRE COLOR CODES = no connections BK – BLACK PK – PINK = B I A and X Y BN – BROWN R – START = B I S BU – BLUE T –...
  • Page 57 ELECTRICAL SYSTEM THIS PAGE INTENTIONALLY LEFT BLANK. 5-10 5-10 Rev. 000 TX 413 Service Manual TX 413 Service Manual...

  • Page 58: Hydraulic System

    HYDRAULIC SYSTEM TX 413 Service Manual Rev. 000...

  • Page 59: Hydrostatic Pump Reference Drawing

    HYDRAULIC SYSTEM Hydrostatic Pump Reference Drawing Hydrostatic Pump (Left Drive) 1. Hydraulic Return Line to Reservoir Tank 2. Hydrostatic Pumps Case Drain Line to Reservoir Tank . Right Drive Hydraulic Line . Right Drive Hydraulic Line . Left Drive Hydraulic Line .

  • Page 60: Valve Reference Drawings

    HYDRAULIC SYSTEM Valve Reference Drawings Line “I” Line “2” Line “3” Line “H” Principal Hydraulic Lines Loader Arm Hydraulic Lines Line “A” Line “B” Line “C” Line “D” Line “E” Line “4” Line “1” TX 413 Service Manual Rev. 000...

  • Page 61: Purging Air Procedures

    HYDRAULIC SYSTEM Purging Air Procedures Adjusting the Tracking of the Traction Control, Full Forward Position Due to the effects air has on efficiency in hydrostatic If the traction unit does not drive straight when you drive applications, it is critical that air is purged from hold the traction control against the reference bar, the system.

  • Page 62: Adjusting The Traction Control Neutral Position

    HYDRAULIC SYSTEM 4. If the traction unit veers right, loosen the left jam 4. Open the rear access cover (Fig. 103). nut and adjust the tracking set screw on front of the traction control (Fig. 102). Figure 103 DSC-0778 Figure 102 fig 38.bmp A.

  • Page 63: Hydrostatic Pump (Right Drive) Removal

    HYDRAULIC SYSTEM 6. Start the traction unit and set the engine throttle 4. Loosen the two set screws located on the to 1/3 engine throttle speed. hydrostatic pump pulley and remove the pulley (Fig. 105). 7. If the left track moves, lengthen or shorten the right traction rod until the track stops moving.
  • Page 64 HYDRAULIC SYSTEM 6. Remove the upper end of the inlet hydraulic line 8. Loosen and remove the hydraulic inlet line, (page at the T-fitting adapter, (page 6-2, Ref. 6), located 6-2, ref 7), located on the back side of the upper on the lower hydrostatic pump (Fig.
  • Page 65 HYDRAULIC SYSTEM 10. Disconnect the hydraulic case drain line, 12. Disconnect the two hydraulic lines to the wheel (page 6-2, Ref. 2), from the bottom of the right motor, (page 6-2, Ref. 3A and 3B), (Fig. 113). drive hydrostatic pump, at the T-fitting that is Note: It may be necessary to loosen the connected to the reservoir tank (Fig.

  • Page 66: Hydrostatic Pump Service

    15. Remove the two bolts and nuts holding the hydrostatic pump to the frame (Fig. 116). Hydrostatic Pump Service For hydrostatic pump service, refer to Hydro-Gear BDP-10 service manual (Toro P/N 492-4789). Hydrostatic Pump (Right Drive) Installation Note: As a reminder, prior to connecting the...
  • Page 67 HYDRAULIC SYSTEM 2. Maneuver the right drive hydrostatic pump under 4. Connect and hand tighten the inlet hydraulic line the hydraulic hoses and up to the opening in the from the T-fitting adapter (page 6-2, Ref. 7) from frame. Secure the frame with two bolts and nuts. the right drive hydrostatic pump to the left drive DO NOT tighten the bolts at this time (Fig.
  • Page 68 HYDRAULIC SYSTEM 5. Connect and hand tighten the case drain 7. Connect and hand tighten the case drain hydraulic line (page 6-2, Ref. 2) to the bottom of hydraulic line (page 6-2, Ref. 6), to the 90° fitting the T-fitting adapter, located on the bottom of the located on the top of the left drive hydrostatic right drive hydrostatic pump (Fig.

  • Page 69: Hydrostatic Pump (Left Drive) Removal

    HYDRAULIC SYSTEM 10. Position the control handle so the Allen head bolt 12. Install drive belt; refer to the Drive Belt Installation can be installed through the rod, linkage spacer, section on page 8-3. pump lever assembly, and a nut. Tighten the 13.
  • Page 70 HYDRAULIC SYSTEM 4. Loosen the two set screws located on the 6. Disconnect the case drain hydraulic line (page hydrostatic pump pulley and remove pulley (Fig. 6-2, Ref 5), from the top of the left drive 128). hydrostatic pump (Fig. 130). Figure 128 DSC-0891 Figure 130...

  • Page 71: Hydrostatic Pump Service

    DSC-0898 Figure 133 DSC-0896 A. Allen head bolt C. Pump lever assembly B. Linkage spacer D. Nut Hydrostatic Pump Service For hydrostatic pump service, refer to Hydro-Gear BDP-10 service manual (Toro P/N 492-4789). 6-14 Rev. 000 TX 413 Service Manual...

  • Page 72: Hydrostatic Pump (Left Drive) Installation

    HYDRAULIC SYSTEM Hydrostatic Pump (Left Drive) Installation 4. Connect the case drain hydraulic line to the top of the pump and hand tighten (page 6-2, Ref. 5) Note: As a reminder, prior to connecting the (Fig. 138). hydraulic lines, the O-rings should be replaced with new ones and lightly lubricated with petroleum jelly.
  • Page 73 HYDRAULIC SYSTEM 6. Connect and tighten the top hydraulic line (page 9. Position the control handle so you can install 6-2, Ref. 4A) to the wheel motor (Fig. 140). the Allen head bolt through the rod end bearing, spacer, pump lever assembly, and a nut. Tighten the assembly and make sure the control handle is moving freely (Fig.

  • Page 74: Hydrostatic Pump (Right Drive) Hydraulic Fitting Orientation

    HYDRAULIC SYSTEM 11. Install drive belt; refer to Drive Belt Installation Hydrostatic Pump (Left Drive) Hydraulic section on page 8-3. Fitting Orientation 12. Install battery and battery cables. A. Case Drain D. Linkage Bracket 13. Follow the Purging Air Procedures; refer to the B.

  • Page 75: Hydraulic Gear Pump Removal

    HYDRAULIC SYSTEM 2. Remove the pump lever assembly and traction 2. Remove the drive belt; refer to the Drive Belt clamp (Fig. 147). Removal section on page 8-2, step 4 (Fig. 148). Figure 148 DSC-0779 Figure 147 DSC-0882 For installation, reverse the order of removal (refer to F igures 146 and 147 shown above).
  • Page 76 HYDRAULIC SYSTEM 4. Disconnect and remove the hydraulic line going 6. Loosen and remove the two mounting bolts and to the loader arm valve (Fig. 150). nuts that retain the gear pump to the frame. Once the pump mounting bolts are loosened and removed, the pump can be pulled away from the frame and the pulley can be removed from the shaft (Fig.

  • Page 77: Hydraulic Gear Pump Installation

    HYDRAULIC SYSTEM Hydraulic Gear Pump Installation 4. Apply a medium strength threadlocking material to the set screws and install in the gear pump Note: As a reminder, prior to connecting the pulley. Slide the gear pump pulley, with the set hydraulic lines, the O-rings should be screws facing toward the gear pump and leave replaced with new ones and lightly...

  • Page 78: Gear Pump Hydraulic Fitting Orientation

    HYDRAULIC SYSTEM 6. Install the hose clamp on the hydraulic suction Gear Pump Hydraulic Fitting Orientation hose and tighten the clamp (Fig. 158). Figure 160 DSC-0919 Figure 158 DSC-0912 A. Inlet B. Outlet 7. Install the loader arm valve line and tighten (Fig. Gear Pump Disassembly and Assembly 159).

  • Page 79: Gear Pump Disassembly

    HYDRAULIC SYSTEM Gear Pump Disassembly 3. Mark the outside gear pump, body, front cover, and rear cover, to make sure they assemble 1. Seal Kit for gear pump assembly (Fig. 161). together the same way they were disassembled (Fig. 163). Figure 161 DSC-1461 Figure 163...
  • Page 80 HYDRAULIC SYSTEM 5. Remove the rear cover (Fig. 165). 7. Lift the body from the thrust plate (Fig. 167). Figure 165 DSC-1465 Figure 167 DSC-1468 6. Remove seals from the body and thrust plate. 8. Remove and separate the rear thrust plate from With a marker, mark the thrust plate in relation to drive shaft and driven gear (Fig.
  • Page 81 HYDRAULIC SYSTEM 9. Remove the input shaft and gear (Fig. 169). 11. With a marker, mark the thrust plate in relation to the front cover (Fig. 171). Figure 169 DSC-1472 Figure 171 DSC-1474 10. Remove the driven gear (Fig. 170). 12.

  • Page 82: Gear Pump Assembly

    HYDRAULIC SYSTEM 13 With a hammer and drift punch, remove the shaft 2. Install the snap ring on to hold the seal in place seal from the front cover (Fig. 173). (Fig. 175). Figure 175 DSC-1480 Figure 173 DSC-1477 Inspection: There should be no scratches or pits deep enough to catch the fingernail with any 3.
  • Page 83 HYDRAULIC SYSTEM 4. Lubricate and install the back-up ring in the 6. Lubricate and install the drive shaft and gear (Fig. groove of the seal (Fig. 177). 179). Figure 177 DSC-1482 Figure 179 DSC-1484 5. Install the thrust plate to the front cover (seals 7.
  • Page 84 HYDRAULIC SYSTEM 8. Install the seal and the back-up ring following 11. Install the body on the front cover, making sure steps 3 and 4. the marks are aligned (Fig. 183). 9. Lubricate and install the thrust plate with the seals facing the rear cover and the alignment mark facing you (Fig.
  • Page 85 Wheel motor removal and replacement is covered in the Drive System section of this manual, page 8-16. For wheel motor service, refer to the Parker-Ross TF wheel motor service manual (Toro P/N 492-4753). 6-28 Rev. 000 TX 413 Service Manual...

  • Page 86: Hydraulic Schematic Diagram (Double

    HYDRAULIC SYSTEM Hydraulic Schematic Diagram TX 413 Service Manual Rev. 000 6-29...
  • Page 87 HYDRAULIC SYSTEM Hydraulic Schematic Diagram 6-30 Rev. 000 TX 413 Service Manual...
  • Page 88 HYDRAULIC SYSTEM TX 413 Service Manual Rev. 000 6-31...
  • Page 89 HYDRAULIC SYSTEM THIS PAGE INTENTIONALLY LEFT BLANK. 6-32 Rev. 000 TX 413 Service Manual...

  • Page 90: Hydraulic Lift Assembly

    HYDRAULIC LIFT ASSEMBLY TX 413 Service Manual Rev. 000...

  • Page 91: Loader Valve Removal

    HYDRAULIC LIFT ASSEMBLY Loader Valve Removal 3. (Fig. 187, Ref. B) Remove the second hydraulic lift cylinder hose from the fitting at the hydraulic Note: Cleanliness is a key factor in the lift valve. successful repair of the hydraulic lift assemblies.
  • Page 92 HYDRAULIC LIFT ASSEMBLY 5. (Fig. 189, Ref. D) Remove the second hydraulic 7. (Fig. 191, Ref. H) Remove the hydraulic drain tilt cylinder hose from the fitting at the hydraulic line from the hydraulic lift valve that goes to the T lift valve.
  • Page 93 HYDRAULIC LIFT ASSEMBLY 9. Remove two of the three retaining bolts that Loader Valve Installation mount the hydraulic lift valve to the frame. There Note: As a reminder, prior to connecting the are three access holes located in the frame (Fig. hydraulic lines, the O-rings should be 193).
  • Page 94 HYDRAULIC LIFT ASSEMBLY 3. (Fig. 197, Ref. H) Install the hydraulic drain 5. (Fig. 199, Ref. D) Install the hydraulic hose to the line from the T-fitting on the oil filter base to the fitting on the hydraulic lift valve and tighten. hydraulic lift valve and tighten.

  • Page 95: Auxiliary Valve Removal

    HYDRAULIC LIFT ASSEMBLY 7. (Fig. 201, Ref. B) Install the hydraulic hose to the Auxiliary Valve Removal fitting on the hydraulic lift valve and tighten. The hose connections at the auxiliary valve on units with serial numbers 240000100 - 240000200 are close to each other.
  • Page 96 HYDRAULIC LIFT ASSEMBLY Note: Cleanliness is a key factor in a successful 3. After removing the nut and washer, apply tension repair of any valve system. Thoroughly on the torsion spring and then slide the auxiliary lever assembly up and off the auxiliary valve. clean all exposed surfaces prior to any type of maintenance.
  • Page 97 HYDRAULIC LIFT ASSEMBLY 5. (Fig. 208, Ref. 1) Remove the rear hydraulic hose 7. (Fig. 210, Ref. 3) Remove the hydraulic return from the fitting on the auxiliary valve line from the front of the auxiliary valve. Note: It will be helpful to tag the hydraulic hoses to ease reassembly.

  • Page 98: Auxiliary Valve Installation

    HYDRAULIC LIFT ASSEMBLY 8. Remove the two retaining bolts and nuts holding Auxiliary Valve Installation the auxiliary valve to the frame and lower the Note: As a reminder, prior to connecting the valve (Fig. 212). hydraulic lines, the O-rings should be replaced with new ones and lightly lubricated with petroleum jelly.
  • Page 99 HYDRAULIC LIFT ASSEMBLY 2. Install the two retaining bolts and nuts holding the 4. (Fig. 218, Ref. 2) Install the hydraulic line from auxiliary valve to the frame (Fig. 216). the loader valve to the auxiliary valve. Figure 216 DSC-0948 Figure 218 DSC-0945 3.
  • Page 100 HYDRAULIC LIFT ASSEMBLY 6. Connect the neutral ball switch at the harness 8. Turn the torsion spring clockwise and hold. Slide connector (Fig. 220). the auxiliary lever over the control shaft and hook the spring end over the auxiliary lever (Fig. 222). Figure 220 DSC-0942 Figure 222...

  • Page 101: Hydraulic Tilt Cylinder Removal

    HYDRAULIC LIFT ASSEMBLY Hydraulic Tilt Cylinder Removal Note: Cleanliness is a key factor in a successful repair of any hydraulic cylinder. Units with serial numbers from 240000100 through Thoroughly clean all exposed surfaces 240000200 have a fixed, non-swivel fitting (Fig. 224). prior to any type of maintenance.
  • Page 102 HYDRAULIC LIFT ASSEMBLY 2. Remove the two hose clamps located under the 4. Place a jack stand under the quick attachment loader arm assembly (Fig. 227). assembly. Extend cylinder to ease the removal of ram end pivot pin (Fig. 229). Figure 227 DSC-0968 Figure 229...
  • Page 103 HYDRAULIC LIFT ASSEMBLY 6. Place an oil drain pan under the control valve hoses (Fig. 231, Ref. D). Remove the hydraulic hose from the fitting on the lift valve. Figure 233 DSC-0973 Note: It may help to remove the “Line D” Figure 231 DSC-0970 hydraulic valve fitting before attempting to...
  • Page 104 HYDRAULIC LIFT ASSEMBLY 8. Pull the two hydraulic hoses from the rear of the 10. Remove the shoulder bolt that holds the pivot unit out the side, under the loader arm (Fig. 235). pin on the ram end of the hydraulic cylinder (Fig. 237).

  • Page 105: Hydraulic Tilt Cylinder Installation

    HYDRAULIC LIFT ASSEMBLY 12. Remove the bolt and nut on the pivot pin located 14. Remove the hydraulic hoses from the tilt cylinder on the barrel end of the hydraulic tilt cylinder (Fig. (Fig. 241). 239). Figure 241 DSC-0986 Figure 239 DSC-0983 15.
  • Page 106 HYDRAULIC LIFT ASSEMBLY 1. Install hydraulic hoses to the tilt cylinder and 3. Install the bolt and nut and torque to 16 + 2 ft-lbs. tighten the hoses, making sure to connect (21.7 + 2.7 Nm) (Fig. 244). marked hose to marked fitting. For reference purposes, hose “D”...
  • Page 107 HYDRAULIC LIFT ASSEMBLY 5. Install shoulder bolt and torque to 16 + 2 ft-lbs. 7. Feed the hydraulic hoses toward the back of the (21.7 + 2.7 Nm) (Fig. 246). Apply grease to the loader arm. Make sure the hoses are routed to grease fitting with a grease gun.
  • Page 108 HYDRAULIC LIFT ASSEMBLY 10. Connect hydraulic hose (Fig. 250, Ref. C) to the 12. Using a cable tie, tie the two hydraulic tilt hoses, hydraulic lift valve fitting and tighten. 3" (7.62cm) from the barrel end fitting (Fig. 252). Figure 252 DSC-0995 Figure 250 DSC-0971...
  • Page 109 HYDRAULIC LIFT ASSEMBLY 14. Install the two hose clamps located under the Note: Units with a serial number of 240000201 loader arm assembly. and higher have a revised hydraulic hose clamp. It is easier to install this clamp by Note: The clamps have wide and narrow using a crescent wrench to pry down on channels.

  • Page 110: Hydraulic Lift Cylinder Removal

    HYDRAULIC LIFT ASSEMBLY 15. Install cable tie strap around all four hydraulic Hydraulic Lift Cylinder Removal hoses, approximately 8" (20.32cm) to the right of Note: Units with serial numbers from 240000100 the rear clamp (Fig. 258). through 240000200 have a fixed fitting at the mounting end of the lift cylinder.
  • Page 111 HYDRAULIC LIFT ASSEMBLY Note: Cleanliness is a key factor in a successful 2. Start the unit and raise the loader arm. Place a repair of any hydraulic cylinder. jack stand under the quick attachment assembly Thoroughly clean all exposed surfaces and lower the loader arm so it is supported by the prior to any type of maintenance.
  • Page 112 HYDRAULIC LIFT ASSEMBLY 4. Remove the hydraulic hose from the fitting on the 6. Remove the bolt and nut on the pivot pin located hydraulic lift valve (Fig. 265). at the barrel end of the hydraulic cylinder (Fig. 267). Figure 265 DSC-1025 Figure 267 DSC-0997...
  • Page 113 HYDRAULIC LIFT ASSEMBLY 8. Mark the hydraulic hose and fitting at the ram 10. Remove the pivot pin on the barrel end of the end of the hydraulic lift cylinder (Fig. 269). hydraulic cylinder by using a drift punch and hammer, tapping the pin out from the inside of the frame, toward the outside (this is a top view of the barrel end of the pivot pin) (Fig.

  • Page 114: Hydraulic Lift Cylinder Installation

    HYDRAULIC LIFT ASSEMBLY 12. Remove the hydraulic lift cylinder from the frame Hydraulic Lift Cylinder Installation of the unit (Fig. 273). Note: As a reminder, prior to connecting the hydraulic lines, the O-rings and seals should be replaced with new ones and lightly lubricated with petroleum jelly.
  • Page 115 HYDRAULIC LIFT ASSEMBLY 3. Make sure the two hydraulic lift hoses are routed 5. Apply a small amount of grease to the pivot pin under the other four hydraulic hoses; 2 hydraulic on the barrel end of the lift cylinder and slide hoses for the auxiliary couplers and two for the the pin through, then align the bolt hole.
  • Page 116 HYDRAULIC LIFT ASSEMBLY 7. Connect the next hydraulic hose to the hydraulic Units, with serial numbers 240000201 and higher fitting on the lift valve and tighten (Fig. 281). will have a clamp and hoses routed as shown in Fig. 283. Figure 281 DSC-1025 Figure 283...

  • Page 117: Loader Arm Assembly Removal

    HYDRAULIC LIFT ASSEMBLY 9. Install cable tie strap around all four hydraulic Loader Arm Assembly Removal hoses, approximately 8" (20.32cm) to the right of 1. Remove the rear cover and belt cover. the rear clamp (Fig. 285). 2. Raise the loader arm assembly to the highest position and install the cyclinder lock in the hydraulic lift cylinder (Fig.
  • Page 118 HYDRAULIC LIFT ASSEMBLY 4. Remove the bolt and nut retaining the pivot pin Note: Units with serial numbers from 240000100 on the ram end of the lift cylinder (Fig. 288). through 240000200 have a fixed fitting (Fig. 290). Figure 288 DSC-1043 Figure 290 DSC-1029...
  • Page 119 HYDRAULIC LIFT ASSEMBLY 6. At the loader arm valve, mark the tilt cylinder 8. Cut the cable ties around the hydraulic hoses. hydraulic hose and fitting with paint or marker. Remove the hydraulic hose clamp located in the Remove the hydraulic hose from the fitting (Fig. back at the lower left corner and cut the cable tie 292).
  • Page 120 HYDRAULIC LIFT ASSEMBLY 9. Pull the two tilt cylinder hydraulic hoses from the 11. Remove the hydraulic hose from the male quick rear of the unit out the side under the loader arm coupler fitting. Pull the hydraulic hose down and (Fig.
  • Page 121 HYDRAULIC LIFT ASSEMBLY 14. Remove the two vent hoses, located above 16. With a hammer and a long pipe, tap the pivot pin the oil filter bracket. The top vent is for the fuel out of the loader arm assembly (Fig. 302). tank (A) and the bottom vent is for the hydraulic reservoir tank (B) (Fig.

  • Page 122: Loader Arm Assembly Installation

    HYDRAULIC LIFT ASSEMBLY Loader Arm Assembly Installation 3. Use a drift punch in the first hole to align the hole for the bolt. Install bolt and nut and tighten to 16 1. Route the tilt cylinder hoses through the opening + 2 ft-lbs.
  • Page 123 HYDRAULIC LIFT ASSEMBLY 5. Route the auxiliary hose through the loader arm 7. Grease the pivot pin for ram end of the hydraulic assembly and connect it to the female quick lift cylinder and install on the loader arm (Fig. coupler fitting and tighten (Fig.
  • Page 124 HYDRAULIC LIFT ASSEMBLY Note: Prior to connecting the hydraulic lines, 12. Start engine and raise the loader arm assembly the o-rings and seals should be replaced to the fully raised position. Install the cylinder lock with new ones and lightly lubricated with in the hydraulic lift cylinder and shut engine off petroleum jelly.
  • Page 125 HYDRAULIC LIFT ASSEMBLY 14. Install a cable tie around all four hydraulic hoses, 16. Before installing the clamp, route the hoses about 3" (7.6cm) from the rear hose clamp in the through the clamp, refer to Fig. 317. Install the loader arm assembly (Fig.

  • Page 126: Quick Attachment Assembly Removal

    HYDRAULIC LIFT ASSEMBLY 17. Install a cable tie around the four hydraulic hoses Quick Attachment Assembly Removal that go to the hydraulic lift valve. The cable tie 1. Start engine and tilt the cylinder to lower the should be approximately 8" (20.3cm) away from quick attachment assembly so it is laying flat on the hose clamp (Fig.
  • Page 127 HYDRAULIC LIFT ASSEMBLY 3. Tap the pivot pin out of the ram end of the tilt 5. Remove the right and left shoulder bolt retaining cylinder using a hammer and drift punch (Fig. the pivot pins located on both sides of the quick 323).

  • Page 128: Loader Arm Bushing Replacement

    HYDRAULIC LIFT ASSEMBLY Loader Arm Bushing Replacement 4. Start the engine and raise the loader arm assembly to the fully raised position. Remove 1. With attach plate removed, raise the loader arm the locking arm assembly from the hydraulic lift assembly up to the highest position and install cylinder and lower the loader arm assembly to the cylinder lock in the hydraulic lift cylinder.

  • Page 129: Hydraulic Cylinder Service

    HYDRAULIC LIFT ASSEMBLY 4. Grease the pivot pin for the ram end of the Hydraulic Cylinder, Lift and Tilt, cylinder and install the pivot pin. Torque the Disassembly shoulder bolt to 16 + 2 ft-lbs. (21.7 + 2.7 Nm) This section covers the disassembly and assembly (Fig.
  • Page 130 HYDRAULIC LIFT ASSEMBLY Note: If excessive wear due to side-loads or 4. Rotate counter-clockwise until the retaining ring is binding is a possibility, mark or note the completely removed (Fig. 334). piston and head relationship to the rod and tube. This condition will usually show up as a highly polished surface on the piston and head 90°...

  • Page 131: Inspection

    HYDRAULIC LIFT ASSEMBLY Inspection INSPECT TUBE ASSEMBLY: Visually inspect the inside bore for scratches and pits. There should be no INSPECT ROD: There should be no scratches or scratches or pits deep enough to catch the fingernail. pits deep enough to catch the fingernail. Pits that go Scratches that catch the fingernail but are less the 0.5 to the base metal are unacceptable.
  • Page 132 HYDRAULIC LIFT ASSEMBLY 1. Visually inspect for material defects and 2. Lubricate the head and all seals with 10W-30 oil contamination. All seals and O-rings must be prior to installation. Using round-nose pliers, twist replaced with new parts (Head Assembly, Fig. the dual lip u-cup seal into a "C"...
  • Page 133 HYDRAULIC LIFT ASSEMBLY 4. Install the Static Back-Up ring around the groove 6. For easiest installation, warm Bi-directional in the head (Fig. 341). Piston Seal (Teflon seal) in 120° to 150° F (48.9° to 65.6°C) 10W-30 oil. Lubricate the piston and all components with oil.
  • Page 134 HYDRAULIC LIFT ASSEMBLY 9. Spread the Wear Ring into a "C" shape only 11. Lubricate the ID of the head and install on the rod enough to fit over the outside of the piston and (Fig. 346). snap it into its groove (Fig. 344). Figure 346 DSC-1362 Figure 344...
  • Page 135 HYDRAULIC LIFT ASSEMBLY 13. Install the lock nut on the rod (Fig. 348) and 15. Turn head into tube until the retaining ring hole torque to: is aligned with the milled slot opening. Install the tilt cylinder lock nut 175 - 200 ft-lbs. (237.3 - hook end of the retaining ring into retaining ring 271.2 Nm) hole in the head (Fig.

  • Page 136: Tx 413 Service Manual

    HYDRAULIC LIFT ASSEMBLY Loader Valve Disassembly and Assembly 1. Remove tie cable around the rubber bellows and remove the joystick assembly (Fig. 354). Wipe 1. Before disassembly of any hydraulic component, excess grease from the joystick. use a clean, dirt-free work surface and clean solvent to prevent system contamination (Fig.
  • Page 137 HYDRAULIC LIFT ASSEMBLY 3. Pictured below (Fig. 356) are the joystick joints: 5. Remove the pivot for the lift and tilt operation. Remove the nut holding the joystick joint (Fig. A. Tilt Cylinder operation B. Loader Lift Cylinder operation 358). C.

  • Page 138: Joystick Assembly Installation

    HYDRAULIC LIFT ASSEMBLY Joystick Assembly Installation 3. Slide the end on the joystick joint onto the joystick pin for the tilt cylinder (Fig. 362). 1. Install the joystick pivot with two hex head screws (Fig. 360). Figure 362 DSC-1726 Figure 360 DSC-1728 4.

  • Page 139: Spool Removal

    HYDRAULIC LIFT ASSEMBLY 5. Lubricate all of the articulated parts inside the 7. Install the lift/tilt handle (Fig. 366). mechanical joystick area with synthetic base grease grade NLGI2 (Fig. 364). Figure 366 DSC-1436 Figure 364 DSC-1434 Spool Removal Note: To disassemble and assemble the valve, it 6.
  • Page 140 HYDRAULIC LIFT ASSEMBLY 2. Remove the 3 hex head screws and spring lock 4. Turn the loader lift joystick joint and remove the washers and remove the articulated holder (Fig. nut retaining it to the lift spool (Fig. 370). 368). Figure 370 DSC-1397 Figure 368...
  • Page 141 HYDRAULIC LIFT ASSEMBLY 6. Remove two hex head retaining screws that 8. Using a drift punch to hold the top end of the retain the joystick base plate (Fig. 372). spool, remove the detent spring assembly from the bottom of the spool (Fig. 374). Figure 372 DSC-1399 Figure 374...
  • Page 142 HYDRAULIC LIFT ASSEMBLY 10. Turn the valve in the vise sideways. Remove the Note: Visually inspect spool outside surfaces tilt spool by twisting and pulling the spool out the for scratches. Deep scratches are top of the valve (Fig. 376). unacceptable and the spool needs to be replaced.

  • Page 143: Spool Assembly

    HYDRAULIC LIFT ASSEMBLY Spool Assembly 12. Using a tool with a 90° angle, (for example, a snap ring pliers with 90° tips) remove both the Replace all seals and o-rings with new parts. spool valve seals located at the top of the valve Lubricate the valve, o-rings, and spool with 10W-30 (Fig.
  • Page 144 HYDRAULIC LIFT ASSEMBLY 2. Lubricate and install the spool valve seals in the 4. Lubricate and install the lift spool in the right port top of the valve (Fig. 383). of the valve, twist and push gently, so you do not damage the o-ring (Fig.
  • Page 145 HYDRAULIC LIFT ASSEMBLY 6. Install the detent spring assembly and torque 8. Rotate the valve in the bench vise. Install gasket to 5 ft-lbs. (6.8 Nm). Lubricate the spring with and joystick base plate with two cap screws, synthetic base grease grade NLGI2 (Fig. 387). torque to 7 ft.lbs.
  • Page 146 HYDRAULIC LIFT ASSEMBLY 10. Apply a medium strength threadlocking material 12. Install the end rod on the joystick pin (Fig. 393). to the threads of the loader lift joystick joint, and install the retaining nut to the lift spool. Torque the nut to 31 ft-lbs.

  • Page 147: Power Beyond Sleeve-Port

    HYDRAULIC LIFT ASSEMBLY 14. Lubricate all articulated parts inside the 16. Install the lift/tilt handle (Fig. 397). mechanical joystick area with synthetic base grease grade NLGI2 (Fig. 395). Figure 397 DSC-1436 Figure 395 DSC-1434 Power Beyond Sleeve-Port This sleeve seals off the return oil port and directs the 15.

  • Page 148: Main Relief Valve

    HYDRAULIC LIFT ASSEMBLY Main Relief Valve Work Port Relief Pressure relief is designed to prevent internal The work relief ports relieve the fluid spikes when the fluid pressure from rising above a pre-determined Lift and Tilt Cylinders are being actuated (Fig 401 and maximum pressure (Fig.

  • Page 149: Disassembly

    HYDRAULIC LIFT ASSEMBLY Auxiliary Valve Disassembly and 2. Remove the spring cap by removing the two hex head cap screws (Fig. 405). Assembly Before disassembly of any hydraulic component, use a clean, dirt-free work surface and clean solvent to prevent system contamination (Fig. 403). Figure 405 DSC-1445 3.
  • Page 150 HYDRAULIC LIFT ASSEMBLY 4. Remove the bottom neutral switch block by inner bore for damage. Check the condition removing the two hex cap screws (Fig. 407). of the o-rings particularly for metallic particles embedded in the o-ring surface. Damage to o-ring grooves, particularly on the sealing surface, is unacceptable.
  • Page 151 HYDRAULIC LIFT ASSEMBLY 8. Remove the two o-rings located at each end of 2. Lubricate and carefully install the spool, from the the neutral switch block (Fig. 411). bottom of the valve (Fig. 413). Figure 411 DSC-1453 Figure 413 DSC-1455 Assembly 3.
  • Page 152 HYDRAULIC LIFT ASSEMBLY 4. Install the spool spring with a hex head screw, 6. Lubricate the cavity of the top lever assembly torque to 5 ft-lbs. (6.8 Nm) (Fig. 415). with a synthetic base grease grade NLGI2. Install the lever assembly and gasket. Torque the hex Note: Lubricate the spring with synthetic base head screws to 5 ft-lbs.
  • Page 153 HYDRAULIC LIFT ASSEMBLY THIS PAGE INTENTIONALLY LEFT BLANK. 7-64 Rev. 000 TX 413 Service Manual...

  • Page 154: Drive System

    DRIVE SYSTEM TX 413 Service Manual Rev. 000...

  • Page 155: Drive Belt Removal

    DRIVE SYSTEM Drive Belt Removal 4. Remove the two fasteners holding the pulley cover and remove cover (Fig. 420). 1. Shut engine "OFF", apply parking brake, and remove ignition key. 2. Remove belt cover knob and remove the belt cover (Fig. 418). Figure 420 DSC-0779 5.

  • Page 156: Drive Belt Installation

    DRIVE SYSTEM 6. Pry down with the pry bar to remove tension and Drive Belt Installation remove the belt from the engine drive pulley (Fig. 1. Start by taking the belt and feeding it through the 422). rear of the unit, around the gear pump pulley and then around both the lower and upper hydraulic pump pulleys (Fig.

  • Page 157: Track Removal

    DRIVE SYSTEM 3. Check belt routing, (Fig. 426). Start unit to make 2. Remove the bolt and nut securing the tensioner sure the belt is operating properly. bolt (Fig. 428). Figure 428 DSC-0793 Figure 426 106-9514 decal 3. Using a 1/2” drive socket ratchet, release the 4.
  • Page 158 DRIVE SYSTEM 4. Begin removing the track at the top of the tension 6. Use a pry bar to help assist in removal of the wheel, lifting up on the the track removing any track (Fig. 433). slack from the bottom (Fig. 431). Figure 433 DSC-0798 Figure 431...

  • Page 159: Tensioner Wheel Bearing Replacement

    DRIVE SYSTEM Tensioner Wheel Bearing Replacement 3. Support the tensioner wheel so there is a space under it for bearing removal. Using a hammer, 1. Remove tensioner arm assembly out of the frame drive the upper bearing down to create a gap (Fig.
  • Page 160 DRIVE SYSTEM 1. Press the first bearing in so far that the outer 2. Reassemble the tensioner wheel to the tensioner bearing race is flush with the center hub. Turn arm. the tensioner wheel over and install the spacer Note: Make sure that grease is applied to the flat centered on the inner race (tensioner wheel bolt washers on both sides and the washers are can be used to keep the spacer centered to the...

  • Page 161: Track Guide Alignment

    DRIVE SYSTEM 4. Install compression spring and the bolt tensioner Track Guide Alignment with tensioning nut. Alignment Tool – P/N 110-0069 (Fig. 444) Note: Make sure the tensioning nut is contacting the bolt tensioner (Fig. 442). Figure 444 DSC-0624 Figure 442 DSC-0815 1.

  • Page 162: Track Installation

    DRIVE SYSTEM 2. Secure the end with the pin (Fig. 446). 4. Tighten and torque the 4 track guide mounting bolts to 75 ft lbs (102 Nm) (Fig. 448). Figure 446 DSC-0628 Figure 448 DSC-0631 3. Rotate the tool and move the track guide as necessary until the tool fi...
  • Page 163 DRIVE SYSTEM 2. Push the track under and between the road 1. = 2-1/2 inches wheels. Starting at the bottom of the tension (6.35cm) wheel, install the track around the wheel by rotating the track rearward while pushing the lugs into the wheel (Fig.

  • Page 164: Track Guide Removal

    DRIVE SYSTEM Track Guide Removal 5. Lower the track guide from the frame (Fig. 456). 1. Raise and securely support the side of the unit to be worked on so that the track guide is far enough off the ground to remove from the unit. 2.
  • Page 165 DRIVE SYSTEM 2. Remove wheel bearing cap with seal (Fig. 458). 4. Remove the road wheel from the track guide (Fig. 460). Figure 458 DSC-0822 Figure 460 DSC-0824 3. With a ratchet and socket, remove bolt retaining 5. Press bearing out from the seal side, pressing on the road wheel (Fig.

  • Page 166: Installation Of Road Wheel Bearing And Road Wheel Assembly

    DRIVE SYSTEM 6. Using a drift punch and hammer, tap out the seal 2. Pressing on the outer race, press bearing in until (Fig. 462). it seats against the inner shoulder of the road wheel (Fig. 464). Figure 462 DSC-0828 Figure 464 DSC-0830 Installation of Road Wheel Bearing and...
  • Page 167 DRIVE SYSTEM 4. Align seal so the lip is facing the bearing (Fig. 6. Install the road wheel on the track guide and 466). torque bolt to 150 ft-lbs. (203 Nm) (Fig. 468). Figure 466 DSC-0832 Figure 468 DSC-0824 5. Press seal in until it is flush with the inner hub of 7.

  • Page 168: Track Guide Installation

    DRIVE SYSTEM 8. Secure the road wheel cap with the snap ring Note: The track guide end with a step is (Fig. 470). mounted toward the drive wheel (Fig. 472). Figure 470 DSC-0821 Figure 472 DSC-0619 Track Guide Installation 2. Install the four bolts that hold the track guide to the frame.

  • Page 169: Wheel Motor Removal

    DRIVE SYSTEM Wheel Motor Removal 4. Remove the track; refer to the Track Removal section, page 8-4. Note: This procedure can be used for the Left or Right Wheel Motor 5. Remove cotter key from the motor shaft (Fig. 475). 1.
  • Page 170 DRIVE SYSTEM 7. Using a wheel puller, remove the drive wheel 9. Using an off-set open-end wrench, remove both (Fig. 477). hydraulic line nuts from the fittings located on the top of the wheel motor (Fig. 479). Figure 477 DSC-0839 Figure 479 DSC-0842 8.

  • Page 171: Wheel Motor Installation

    O-rings. Install the two hydraulic fittings (Fig. 484). Figure 482 DSC-0847 Wheel Motors For wheel motor service, refer to the Parker-Ross TF wheel motor service manual (Toro P/N 492-4753). Figure 484 DSC-0846 8-18 Rev. 000 TX 413 Service Manual...
  • Page 172 DRIVE SYSTEM 3. Install the hydraulic lines to the hydraulic fittings 5. Clean the motor shaft with a degreaser to make on top of the wheel motors and tighten (Fig. 485). sure there is no grease or dirt. Note: Do not use grease or anti-seize compound on the shaft.

  • Page 173: Traction Control Handle Assembly Removal

    DRIVE SYSTEM Note: Self-locking nut with thread-locking Traction Control Handle Assembly material may be used with some model Removal years. This self-locking nut needs to be 1. Remove the rear cover. replaced whenever it is removed from the wheel motor shaft (Fig. 488). 2.
  • Page 174 DRIVE SYSTEM 4. Disconnect the left side linkage rod by removing 6. Turn the traction control assembly clockwise and the bolt, spacer, and nut from the rod end bearing remove the bushings, flat washers, and spring (Fig. 491). washers from the control support assembly (Fig. 493).

  • Page 175: Traction Control Handle Assembly Installation

    DRIVE SYSTEM 8. Tilt the top of the control assembly forward and Traction Control Handle Assembly slide the assembly down and out of the control Installation handle and then out of the unit (Fig. 495). 1. Install traction control assembly, tilting the top of the control assembly forward so the control handle can be installed onto the drive rod assembly;...
  • Page 176 DRIVE SYSTEM 4. Install the left side rod linkage with a bolt through 6. Insert the bolt and nut into the traction control the bearing rod end, spacer, through the drive handle assembly and through the drive rod rod assembly and install the nut and tighten (Fig. assembly.

  • Page 177: Brake Assembly Removal

    DRIVE SYSTEM Brake Assembly Removal 4. Remove the two bolts and nuts that hold the cable brackets to the brake bars (Fig. 504). 1. Remove the rear cover. Disconnect the battery negative cable and then the positive cable. Remove the battery. Remove the battery bracket. 2.
  • Page 178 DRIVE SYSTEM 6. Slide the left brake bar out of the frame (Fig. 8. Clamp the right side cable bracket in a vise. 506). Using a tool to hook into the spring, pull back the spring enough to reach the set screw in the tube guide (Fig.
  • Page 179 DRIVE SYSTEM 10. Loosen the set screw on the tube guide on the 12. Measure a piece of rope approximately 20" left side and remove the brake cable from the (50.8cm) long and equip it with a handle. Feed cable bracket (Fig. 510). the rope through the two brake springs.

  • Page 180: Brake Assembly Installation

    DRIVE SYSTEM 2. Slide the brake bar through the bracket on the 14. Remove the end of the rope, by cutting it. Slide frame, with the brake cable pulled to the front of the brake springs back and install the tube guide the bracket (Fig.
  • Page 181 DRIVE SYSTEM 4. Install bolt and nut through the right side cable 6. Install the brake cable through the bracket on the bracket and the bar bracket (Fig. 518). left side of the frame (Fig. 520). Figure 518 DSC-1289 Figure 520 DSC-1291 5.

  • Page 182: Idler Assembly Removal

    DRIVE SYSTEM 8. Brake Adjustment - Ensure the brake engages Idler Assembly Removal and disengages freely. The brake bars should 1. Raise engine cover and remove the belt cover. both move in and out of the frame. When disengaged, the brake bar should not protrude 2.

  • Page 183: Idler Assembly Installation

    DRIVE SYSTEM 4. Remove the retaining ring on the end of the idler 6. Remove the idler pulley from the idler arm by arm (Fig. 526). removing the bolt and nut (Fig. 528). Figure 526 DSC-1295 Figure 528 DSC-1298 Idler Assembly Installation 5.
  • Page 184 DRIVE SYSTEM 2. Install idler arm. First, install the torsion spring on 4. Apply medium strength threadlocking material to the pivot shaft and then install the idler arm (Fig. the threads of the set screws for the engine drive 530). pulley.
  • Page 185 DRIVE SYSTEM THIS PAGE INTENTIONALLY LEFT BLANK. 8-32 8-32 Rev. 000 TX 413 Service Manual TX 413 Service Manual...
  • Page 186 TESTING TX 413 Service Manual Rev. 000...

  • Page 187: Testing Introduction

    TESTING TESTING Introduction Fitting sizes and test hose confi gurations are also Due to the many types and manufacturers of test shown (Fig. 535, 536, 537, 538 and 539). equipment, the test hoses and fi ttings needed will vary. Refer to the connection information at each A.
  • Page 188 TESTING C. Couplers Coupler Adaptor Kit 106-7695. Converts the 3/4” Coupler End – 7/8”-14 UNF-2B O-ring Seal (Fig. 537). coupler to the 3/8” coupler (Fig. 539). Figure 537 DSC-0580 Figure 539 DSC-0585 A. P/N 100-4701 - Female coupler B. P/N 104-6134 - Male coupler Test Gauge –...
  • Page 189 Schematics are contained in this manual it directs the hydraulic oil to the lift cylinder. When the or in the Toro Operator or Parts catalogs provided with loader valve handle is moved left and right it directs the unit.

  • Page 190: Test 1 - Testing Pressure At Flush Face Couplers

    TESTING Test 1 - System Pressure Testing Test 2 - System Flow Testing This test checks the system pressure for both the This test checks the system fl ow for both the auxiliary auxiliary and loader circuits. Components involved in and loader circuits.

  • Page 191: Test 3 - Flow Test At Gear Pump To Loader Valve

    TESTING Test 3 - Flow Test Gear Pump to Loader Valve This test measures the fl ow output of the gear pump. Components involved are fl ow meter, suction hose and pump. This test will verify if the pump, pump pulley, or belt is at fault if fl ow does not meet specifi...
  • Page 192 TESTING 11. If flow does meet specification, look for restriction Test 5 - Pressure Test from the Loader of a hydraulic line from outlet of loader valve Valve to Auxiliary Valve to couplers. If no restrictions are found then 1. Warm hydraulic fluid to operating temperature. repair or replace auxiliary valve and/or couplers.

  • Page 193: Hydrostatic Testing Procedures Hydrostatic Pump Flow Testing

    TESTING Hydrostatic Testing Procedures Raise the unit and get both tracks off the ground. Use jack stands to support the unit (Fig. 545). Hydrostatic Pump Flow Testing WARNING Certain procedures require the vehicle engine to be operated and the vehicle to be raised off the ground.

  • Page 194: Left Drive System Flow Test

    TESTING Left Drive System Flow Test 3. Connect the fl ow tester to the two hydraulic fi ttings on the hydrostatic pump (Fig. 549). 1. Lift and support the unit so tracks are 3 to 4" (7.6 to 10.2cm) off the ground. 2.
  • Page 195 TESTING 4. Start the engine and bring the engine speed up to 6. Turn the restriction valve until you read 300 psi full throttle. (21 bar) (Fig. 552). 5. Move the traction control in the left direction, in full forward motion (Fig. 551). Operate without any load for approximately 2 minutes;...

  • Page 196: Right Drive System Flow Test

    TESTING 8. Then turn the restriction valve to 1100 psi (76 bar) Right Drive System Flow Test (Fig. 554). 1. Lift and support the unit so tracks are 3 to 4" (7.6 to 10.2cm) off the ground. 2. Disconnect the two hydraulic output lines with a 1-1/8"...
  • Page 197 TESTING Note: Before performing this test, make sure the Note: Raising the system oil temperature will bypass valve, located on the front side of make a difference in the readings you the lower pump, is closed (Fig. 557, top receive. To complete the test accurately, view).
  • Page 198 TESTING 8. Then turn the restriction valve to 1100 psi (76 bar) (Fig. 560). Figure 560 DSC-2942 9. At 1100 psi (76 bar), note the gpm reading. Example: • 300 psi (21 bar) reading 8 gpm (30 l/min) 1st reading •...
  • Page 199 TESTING THIS PAGE INTENTIONALLY LEFT BLANK. 9-14 Rev. 000 TX 413 Service Manual...
  • Page 200 ATTACHMENTS TX 413 Service Manual 10-1 Rev. 001...

  • Page 201: Tx 413 Service Manual

    ATTACHMENTS Auger Removal 3. Stop the engine. 4. Remove the bolt and nut securing the auger bit or 1. To remove the auger bit from the auger shaft, set the extension to the auger shaft (Fig. 003). assembly down in its storage location (Fig. 001). Fig 003 CLR DSC-0217 Fig 001...

  • Page 202: Auger Reassembly

    ATTACHMENTS Auger Reassembly 2. Stop the engine. 3. Remove teeth from auger bit by loosening nuts on Reassemble in reverse order. the carriage bolts enough for the teeth to slide out (Fig. 006). Auger Tooth and Fishtail Shank Removal 1. While lowering the arms, drive slowly backwards until the auger assembly is horizontal (Fig.
  • Page 203 ATTACHMENTS 4. Remove the screw and lock nut securing the fishtail shank to the auger bit (Fig. 008). Fig 010 CLR DSC-0226 Fig 008 CLR DSC-0224 Fishtail Shank Reinstallation 1. Reinstall the fishtail shank and torque nut and bolt to 5. The fishtail shank can be difficult to remove because 16 + 2 ft-lbs. (22 + 3 Nm) (Fig. 011). it is being held in by dirt and debris – you may need to pry the fishtail shank away from the auger bit (Fig.

  • Page 204: Auger Tooth Replacement

    ATTACHMENTS Auger Tooth Replacement 3. The wisdom tooth is installed next to the gauge tooth on the inside edge closest to the auger shaft (Fig. 014). 1. Replace the new teeth in their correct location on the auger bit. Torque the lock nuts to 88 + 12 ft-lbs. (119 + 16 Nm) (Fig. 012). Note: It is good practice when replacing teeth to also replace the carriage bolts and nuts.
  • Page 205 ATTACHMENTS Install dust caps over the ends (Fig. 016). 3. Place a drain pan under hydraulic fittings to catch hydraulic oil in the lines. Then using a 15/16” wrench on the hydraulic line fitting and a 3/4” open end wrench to hold the motor fitting, disconnect hydraulic lines from the hydraulic motor (Fig. 018). Fig 016 CLR DSC-0103 2. Mark the hydraulic hose fitting and motor fitting to Fig 018 CLR DSC-0097 identify their location when reinstalling (Fig.
  • Page 206 ATTACHMENTS Removing the Hydraulic Motor 3. Lift the hydraulic motor from the auger housing (Fig. 022). 1. Using a 3/8” hex wrench remove the four hex head screws from the hydraulic motor (Fig. 020). Fig 022 CLR DSC-0108 Fig 020 CLR DSC-0112 4.

  • Page 207: Shaft Removal

    ATTACHMENTS Note: Make sure you retain the motor shaft key (Fig. 024). Fig 026 CLR DSC-0115 Fig 024 CLR DSC-0110 3. Using 7/8” round stock to prevent the auger shaft from turning, remove the bearing nut using a breaker bar to loosen the nut (Fig. 027). Shaft Removal 1. Using a flat screwdriver, pry the 2 bearing lock washer tangs out of the notches on the bearing nut.
  • Page 208 ATTACHMENTS Nut removed (four notches) (Fig. 028). 5. Raise the loader arms so the auger shaft clears the surface area it is resting on. 6. Rotate the auger housing up until you can slide a 1/2” x 2-3/4” bolt into the hole on the cradle arm to lock the auger housing in place (Fig.
  • Page 209 ATTACHMENTS 8. Using a 1/8” hex wrench, remove the three hex head 10. Using a hammer and punch, go around the circum- screws from the bearing protector plate (Fig. 032). ference of the bearing to drive the first bearing out. Remove the plate to access the 2 bearings and With the bearing removed, the spacer will slide out spacer.

  • Page 210: Remove Power Head From Frame Assembly

    ATTACHMENTS Remove Power Head from Frame 11. Reposition the auger housing so the shaft end faces down. Use a bearing driver or a hammer and punch Assembly to remove the second bearing from the housing (Fig. 036). 1. From the operator’s position, mark the pivot plates with R for right and L for left before disassembly.

  • Page 211: Reassemble Power Head Into Frame Assembly

    ATTACHMENTS 4. While supporting the auger housing, remove the 6. Remove the stop pad from the frame assembly (Fig. pivot plate on one side from the frame assembly. 040). The auger housing can now be set aside (Fig. 038). Fig 040 CLR DSC-0155 Fig 038 PICT-8710...
  • Page 212 ATTACHMENTS 2. Install one of the pivot plates and 3 bolts and nuts to 3. Insert the auger housing into the previously installed the frame assembly (Fig. 042 and Fig. 043). pivot plate (Fig. 044). Fig 042 PICT-8704 Fig 044 PICT-8709 4.

  • Page 213: Reassemble Auger Power Head

    ATTACHMENTS Reassemble Auger Power Head 5. Install the 3 bolts and nuts to secure the pivot plate to the frame assembly (Fig. 046). 1. With the auger housing shaft facing up, use a bearing driver or press to install bearing. The bearing is seated when the surface is flush with the auger housing (Fig.
  • Page 214 ATTACHMENTS 2. Reposition the auger housing so the shaft end is 4. Replace the three hex head screws on the protector facing down and install spacer (Fig. 050). plate and torque to 38 + 7 in-lbs. (4.3 + .79 Nm) (Fig. 052). Fig 050 CLR DSC-0140 Fig 052 CLR DSC-0160 3.
  • Page 215 ATTACHMENTS 6. Remove any dirt or debris from the auger shaft and 8. Align the inner tab of the lock washer with the slot on slide it into the auger housing (Fig. 054). the auger shaft (Fig. 056). Fig 054 CLR DSC-0161 Fig 056 CLR DSC-0165...
  • Page 216 ATTACHMENTS 10. Install the bearing nut onto shaft with the chamfer 12. Once the torque value has been reached, if the side of the nut facing down towards the bearing lockwasher tangs do not line up with the notches on lockwasher (Fig. 058). the bearing nut, continue to tighten the bearing nut until two tangs from the bearing lockwasher line up with the notches in the bearing nut (Fig.
  • Page 217 ATTACHMENTS 14. Place a new o-ring on the hydraulic motor (Fig. 062). 16. Align the key of the hydraulic motor with the keyway of the auger shaft. Lower the hydraulic motor into the auger housing. Make sure the 90 hydraulic fittings face away from the traction unit (Fig.
  • Page 218 ATTACHMENTS 18. Install the hydraulic hoses to the hydraulic motor 20. Torque the hydraulic fittings to 42 + 5 ft-lbs. (56.9 + 6.8 Nm) (Fig. 068). Note: Replace the o-ring seals on the hydraulic fittings (Fig. 066). Fig 068 CLR DSC-0206 Fig 066 CLR DSC-0203 21. Install the other end of the hydraulic hoses onto the flush face couplers (Fig. 069).

  • Page 219: Trencher

    ATTACHMENTS Trencher 22. Grease the zerks on the auger housing with a high temperature Mobil grease (Fig. 070). Chain wear cannot exceed more than 3% of its com- pressed length. To determine this, lay the chain on a flat surface. Push the ends in to remove all the slack. Measure its length. Next, stretch the chain by pulling the ends until all the slack is removed.

  • Page 220: Trencher Chain And Boom Removal

    ATTACHMENTS Trencher Chain and Boom Removal Cap the flush face couplers to prevent hydraulic contamination (Fig. 073). 1. Remove the bolt and nut securing the spoils auger to the trencher shaft (Fig. 075). Fig 073 CLR DSC-0103 Fig 075 CLR DSC-0229 2. Optional: Remove the three bolts washers and nuts that are securing the safety bar for better access (Fig.
  • Page 221 ATTACHMENTS 2. Remove the two nuts and bolts from the support 4. First, remove the chain from the nose roller (Fig. plates securing the boom to the trencher arm (Fig. 079). 077). Fig 079 CLR DSC-0234 Fig 077 CLR DSC-0232 Second, remove the chain from the trencher 3.

  • Page 222: Nose Roller Removal

    ATTACHMENTS Nose Roller Removal 5. Slide/remove the boom from the boom mount arm (Fig. 081). 1. Remove the screw, washer and pin assembly from the nose roller (Fig. 082). Fig 081 CLR DSC-0236 Fig 082 CLR DSC-0238 2. Slide the nose roller out of the boom. Remove the roller caps from each side of the roller.
  • Page 223 ATTACHMENTS 3. Clean grease from nose roller to expose the retain- 4. Block the nose roller up on a press so the bearing ing ring. Remove with snap ring pliers (Fig. 084). has room to come out. Press the bearing out of the nose roller (Fig.

  • Page 224: Reassemble The Nose Roller

    ATTACHMENTS Reassemble the Nose Roller 2. Slide the nose roller back into the boom. Install the screw, washer and pin assembly. Make sure the pin assembly lines up with roller caps and bearing hub 1. Reassemble in reverse order. Place a roller spacer (Fig.

  • Page 225: Motor Removal

    ATTACHMENTS Motor Removal Trencher Shaft Removal 1. Place drain pan under hydraulic motor. Mark one 1. Remove the six hex head screws from the trencher fitting on the hose to one fitting on the motor. sprocket (Fig. 094). Remove hydraulic hoses and cap all motor and hose fittings to prevent contamination to hydraulic system (Fig. 092). Fig 094 CLR DSC-0252 Fig 092...
  • Page 226 ATTACHMENTS 3. Use a large slotted screw driver to prevent the 4. Remove the bearing lockwasher from the trencher trencher shaft from spinning and remove the bearing shaft (Fig. 098). locknut with a spanner wrench, p/n 999-9999 (Fig. 096 and Fig. 097). Fig 098 CLR DSC-0301 Fig 096...
  • Page 227 ATTACHMENTS 6. Remove the roller bearing from the trencher shaft 8. If the motor side bearing needs replacement pro- (Fig. 100). ceed as follows. Remove boom mount from mount assembly (Fig. 102). Fig 100 CLR DSC-0303 Fig 102 CLR DSC-0353 7.

  • Page 228: Reassemble Trencher

    ATTACHMENTS Reassemble Trencher 10. The roller bearing is only removed after the spacer and shaft seal have been pressed out. Inspect bearings for any damage or wear. Replace if 1. Install new bearing cups with the taper end or the damaged.
  • Page 229 ATTACHMENTS 3. The shaft seal is installed with the step facing down 5. After the shaft side is assembled, turn the boom toward the bearing. The green coating facing up. mount over onto its side and install bearing into the Press or drive the shaft seal until fully seated (Fig.
  • Page 230 ATTACHMENTS 7. Line up the tab on the tongued washer with the 9. Use a large slotted screwdriver to prevent the trencher shaft keyway and install (Fig. 112). trencher shaft from spinning and install the bearing locknut. Torque to 45 ft-lbs. (61 Nm) (Fig. 114). Fig 112 CLR DSC-0347 Fig 114 CLR DSC-0351 8.
  • Page 231 ATTACHMENTS 11. Rotate the shaft to ensure the bearings are properly Note: Install sprocket before hydraulic motor. seated. 13. The sprocket is installed with the recessed side 12. Bolt the mount assembly to the boom and torque the facing the trencher arm. The arrow side faces out six screws to 210 + 20 ft-lbs. (285 + 28 Nm) (Fig. toward the spoils auger (Fig.
  • Page 232 ATTACHMENTS 15. Install new o-ring onto the hydraulic motor prior to 17. Level the trencher arm before servicing the bearing mating it with the trencher shaft (Fig. 119). reservoir. Remove the fill plug. Fill with 16 oz. of SAE 90 - 140 AP 1 Service GL-4 or GL5 (Fig. 121). Fig 119 CLR DSC-0362 Fig 121...
  • Page 233 ATTACHMENTS 20. Loosely install bolts and nuts but DO NOT torque 23. Turn the adjuster bolt until 1-1/2” - 2-1/2” (3.8 - yet. 6.35cm) droop between the bottom of the boom and the top of the bottom chain span (Fig. 125). Note: Do not torque until the chain is on the boom and tension has been adjusted (Fig.
  • Page 234 ATTACHMENTS 25. Hold the other side of the screw with a wrench and 27. If applicable, install safety bar and torque the three torque the support plate bolts to 150 + 15 ft-lbs. screws and nuts to 210 + 20 ft-lbs. (284 + 27 Nm) (203 + 20 Nm) (Fig. 127). (Fig. 129). Fig 127 CLR DSC-0373 Fig 129 CLR DSC-0376...
  • Page 235 ATTACHMENTS THIS PAGE INTENTIONALLY LEFT BLANK. 10-36 TX 413 Service Manual Rev. 001...

  • Page 236: Hydraulic Troubleshooting

    HYDRAULIC TROUBLESHOOTING Rev. 001 TX 413 Service Manual 11-1 11-1...

  • Page 237: Fluids

    HYDRAULIC TROUBLESHOOTING Fluids Excessive Fluid Temperature Hydraulic Fluids Continuous Operation at Relief Pressure Incorrect Fluid The reservoir acts as an expansion chamber and • Drain, flush and replace with proper fluid separates trapped air within the fluid. Low Fluid Level When checking the reservoir level, examine the con- •...

  • Page 238: Foaming Fluid

    HYDRAULIC TROUBLESHOOTING Operational Troubleshooting Foaming Fluid Loss of Hydraulic Function Low Fluid Level • Fill reservoir to the full mark • Check system for external leaks No Fluid in the System • Fill reservoir to the full mark Water in the Fluid •...

  • Page 239: Operational Troubleshooting Cont

    HYDRAULIC TROUBLESHOOTING Operational Troubleshooting cont. Slow Operation Loss of Hydraulic Function cont. Cold Fluid • Fluid viscosity too high • Allow fluid to reach operating temperature prior to Pressure Line Leaks operating hydraulic functions • Tighten loose fittings/Replace damaged fittings •...

  • Page 240: Pumps

    HYDRAULIC TROUBLESHOOTING Pumps Slow/Erratic Behavior • Oil temperature too cold • Incorrect oil viscosity Pump Troubleshooting • Restriction or air leak at the pump inlet • Insufficient pump speed Hydraulic pumps transfer fluids by suction, pressure, • Internal pump parts sticking or both.

  • Page 241: Pumps Cont

    HYDRAULIC TROUBLESHOOTING Pumps cont. Leaky Pump Noisy Pump Damaged Shaft Seal • Replace seal • Check fluid for contamination Low Fluid Level • Ensure shaft alignment • Fill reservoir with recommended fluid • Check for system leaks Damaged Pump Parts •...

  • Page 242: Valves

    HYDRAULIC TROUBLESHOOTING Valves Spool Valve Troubleshooting Valves are used to provide control of pressure, Spool valves are a type of directional control valve direction and volume in a hydraulic system. that allows oil flow to be diverted to a remote circuit when the spool is not centered.

  • Page 243: Cylinders/Loader Arms

    HYDRAULIC TROUBLESHOOTING Cylinders/Loader Arms Loader Arm Drops in Neutral Hydraulic Cylinders Broken or Leaky Hydraulic Lines between Control Valve and Cylinder • Check for leaks Hydraulic cylinders convert hydraulic pressure and • Tighten or replace affected hydraulic line fittings flow into linear mechanical energy. Cylinders consist of a sealed chamber, piston and piston rod.
  • Page 244 Dingo TX413 ® Compact Utility Loader Service Manual Form no. 492-4797...

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