hit counter code
Walker MW 15 HP Owner's Manual
  1. Manuals
  2. Brands
  3. Walker Manuals
  4. Lawn Mower
  5. MW 15 HP
  6. Owner's manual

Walker MW 15 HP Owner's Manual

Walk-behind 15 hp rider lawn mower
Hide thumbs
Table of Contents

Advertisement

Quick Links

OWNER'S MANUAL
Safety, Assembly, Operating, and Maintenance Instructions
and ILLUSTRATED PARTS MANUAL
Model MW - Walk-Behind (15 HP)
™
Please Read and Save These Instructions
Effective Date: 11-01-03
For Safety, Read All Safety and Operation
P/N 9001
Instructions Prior to Operating Machine
Price $5.00

Advertisement

Table of Contents
loading

Related Manuals for Walker MW 15 HP

Summary of Contents for Walker MW 15 HP

  • Page 1 OWNER’S MANUAL Safety, Assembly, Operating, and Maintenance Instructions and ILLUSTRATED PARTS MANUAL Model MW - Walk-Behind (15 HP) ™ Please Read and Save These Instructions Effective Date: 11-01-03 For Safety, Read All Safety and Operation P/N 9001 Instructions Prior to Operating Machine Price $5.00...
  • Page 2 Foreword Thank you. . .for purchasing a Walker by Walker (Model MW). Every effort has been made to pro- vide you with the most reliable product on the market, and we are sure you will be among our many satisfied customers. If for any reason this product does not perform to your expectations, please contact an authorized servicing dealer or Walker Manufacturing at (970) 221-5614.

  • Page 3: Table Of Contents

    Table of Contents Owner’s Manual General Information HIGHLIGHTED INFORMATION _____________ 1 GLOSSARY ____________________________ 1 IDENTIFYING NUMBER LOCATIONS________ 1 ENGINE SERIAL NUMBER LOCATION ______ 2 SERVICING OF DRIVETRAIN GEARBOX ____ 2 Specifications _______________________ 3 ENGINE________________________________ 3 ELECTRICAL SYSTEM ___________________ 3 TRANSMISSION_________________________ 3 BLADE DRIVE __________________________ 4 TIRE SIZE ______________________________ 4 TIRE PRESSURE ________________________ 4...
  • Page 4 Table of Contents CLEANING ____________________________ 36 Engine Air Cleaner System _____________ 36 Foam Precleaner Element _____________ 36 Paper Precleaner Element ____________ 36 Engine Cooling System ________________ 36 Air Intake Screen ____________________ 36 Engine Cooling Fins _________________ 36 Grass Buildup in Mower Housing________ 36 CHECKING/SERVICING _________________ 37 Battery______________________________ 37 Charging the Battery _________________ 37...

  • Page 5: General Information

    Walker Manufacturing recommends that any service requiring special training or tools be performed by an authorized Walker Mower Dealer. There are sev- eral general practices to be aware of in the area of safety. Most accidents associated with the oper-...

  • Page 6: Engine Serial Number Location

    If you have any difficulty finding an authorized outlet or obtaining warranty service, please contact our Service Department for assis- tance: Walker Manufacturing Company 5925 E. Harmony Road Fort Collins, CO 80528 1-970-221-5614 Service manuals are available for each of these...

  • Page 7: Specifications

    Specifications MODEL ENGINE Manufacturer/Model Displacement HP (@ 3600 RPM) Max. RPM (No Load) Governed RPM Max. Torque [ft-lb (N m) @ RPM] Idle RPM Spark Plug Type Spark Plug Gap Crankcase Capacity Crankcase Lubricant Fuel Tank Capacity Fuel ELECTRICAL SYSTEM Battery Charging System Charging Output...

  • Page 8: Blade Drive

    Specifications MODEL TRANSMISSION (continued) Transmission Fluid Factory Service Transmission Fluid Capacity Transmission Cooling Ground Travel Speed Forward m.p.h. (km/h) Reverse m.p.h. (km/h) BLADE DRIVE PTO Shaft Blade Spindle Blade Drive Clutch and Brake Max. Blade Speed [25 in. (64 cm) Blade] @ 3600 RPM Engine TIRE SIZE Deck Caster Wheel...

  • Page 9: Mower Deck

    48 in. (122 cm) 25 in. (64 cm) 2 in. (5 cm) Center Overlap (Two Blades, CW Rotation) Torsion-Flex Frame with Caster Wheels and Counterweight Springs 370 lb (168 kg) 520 lb (236 kg) Walker P/N 9230 Walker P/N 9248 3/16 Plate Steel 11 Gauge Steel...

  • Page 10: Component Identification

    Component Identification NOTE: Control Identification shown in Operating Instructions section. Throttle/Choke Control & Cable Engine Engine Cover Latch Cover Tilt-Up Latch Spring Clip Fuel Tank and Cap Counterweight Spring and Protective Cover Deck Support Pins and Height Adjustment Parking Hitch Pins Brake Handle Footrests Tilt-Up...
  • Page 11 Component Identification Operator Presence Switch Control PTO Clutch Lever Tailpipe Pistol Muffler Grips Steering Control Rod (RH) Steering Control Rod (LH) Transaxle (LH) Transmission Left Hand Neutral Lockout Drive Wheel Rods Rear View and Left Side View...
  • Page 12 Component Identification Electric Actuator Fuel Pump Parking Brake Linkage Transaxle Pressure Relief Valve (RH) Counterweight Dampening Spring Battery Counterweight Dampening Spring Top View (Cover Removed) Fuel Pickup Line Oil Dipstick/ Oil Fill Recoil Starter Handle Oil Filter Transaxle Pressure Relief Valve [(LH) Not Visible]...

  • Page 13: Safety Instructions

    If you have any questions concerning setup, opera- tion, maintenance, or safety, please contact your authorized Walker Mower Dealer or call Walker Manufacturing Company at (970) 221-5614. BEFORE OPERATING Read and understand the contents of this Owner’s Manual before starting and operat-...

  • Page 14: Operating

    Safety Instructions Do not wear loose fitting clothing that could get caught in moving parts. Always wear ade- quate protective clothing including long pants. Wearing safety glasses and safety shoes is advisable and required by some local ordinances and insurance regulations. Prolonged exposure to loud noise can cause impairment or loss of hearing.

  • Page 15: Maintenance

    Safety Instructions 10. Disengage the blade drive when transporting the machine across drives, sidewalks, etc. Never raise the mower deck while blades are rotating. 11. The maximum recommended side slope op- erating angle is 20 degrees or 33% grade. When operating the machine on a slope, reduce ground speed and use caution to start, stop, and maneuver.
  • Page 16 Safety Instructions Do not change the engine governor settings or overspeed the engine. The governor has been factory-set for maximum-safe engine operating speed. 10. Use genuine factory replacement parts. Substitute parts may result in product malfunc- tion and possible injury to the operator and/or others.

  • Page 17: Safety, Control, And Instruction Decals

    Safety, Control, and Instruction Decals are installed on the machine; if any are missing, illegible, or damaged, a replacement should be ordered and installed before putting the machine into operation. The Decal Part Number is listed below and in the Parts List. Control Panel (Walker P/N 9801) On Body Adjacent On Body Adjacent...

  • Page 18: Assembly Instructions

    Assembly Instructions SETUP INSTRUCTIONS Walker Mowers are shipped partially assembled. After uncrating the tractor and mower deck, initial setup is required. NOTE: During the process of unpacking, any dam- aged or missing parts should be noted and reported to the delivering carrier immediately (put in writing within 15 days).

  • Page 19: Mower Deck Assembly

    Assembly Instructions Mower Deck Assembly Deck Caster Wheels Installation Remove the bolt, nut, axle spacer tube, and spacer washers from each deck caster wheel fork. NOTE: Spacer washers are used only when the optional semi-pneumatic deck wheels (8.25 x 2.75) are installed. Fit the axle spacer tube through the wheel hub, position the spacer washer on each side of the hub (if used), and fit the assembly into the wheel...

  • Page 20: Pto Shaft Guard Installation

    Assembly Instructions PTO Shaft Guard Installation Position the shaft guard as shown and mount with two 1/4-20 x 1/2 in. bolts. PTO Shaft Guard Installation Tilt-Up Roller Wheel Installation NOTE: A 2-1/2" diameter tilt-up roller wheel (P/N 9772) is required for decks installed on the walk-behind.
  • Page 21 Assembly Instructions Grease Deck Support Arms Mower Deck Installation (PTO Shaft Connection) Pull Back Spring-Loaded Coupler Ring Installing PTO Quick Coupler Spring-Loaded Coupler Ring In Fully Forward Position Coupler Ring “Locked” Position Pull out counterweight spring receptacle assist handle and lift up on locking finger slightly to unlock the receptacle assembly.

  • Page 22: Deck Leveling

    Assembly Instructions Deck Leveling Position mower on a smooth, level surface. Set the cutting height to the highest position - 4 in. (102 mm) - for easy access under the deck to measure blade height. Refer to ADJUSTING CUTTING HEIGHT in Operating Instructions. NOTE: A block of wood cut 4 in.

  • Page 23: Preoperating Checklist

    Assembly Instructions PREOPERATING CHECKLIST Before operating the mower for the first time, and as a routine before daily operations, it is important to make sure the mower is properly prepared and ready for operation. The following is a list of items to be checked.
  • Page 24 Assembly Instructions INSPECT TWO (2) DRIVE BELTS PTO Drive and Hydrostatic Ground Drive. CHECK TIRE PRESSURE Deck Caster Wheel = 20 PSI (137 kPa) Drive 15 PSI (103 kPa) Rear 20 PSI (137 kPa) CHECK AND CLEAN UNDERNEATH MOWER DECK The tilt-up deck can be secured in the raised position by unlocking the deck lock levers on each side of the carrier frame and inserting the deck hook into the tilt-...

  • Page 25: Operating Instructions

    Operating Instructions CONTROL IDENTIFICATION, LOCATION, AND FUNCTION Operating Controls CAUTION Before operating the mower, become fa- miliar with the location and function of all operator controls. Knowing the loca- tion, function, and operation of these controls is important for safe and effi- cient operation of the mower.

  • Page 26: Forward Speed Control (Fsc)

    Operating Instructions IMPORTANT: Make sure the choke is in the OFF position during normal engine operation; running with the choke in the ON position CAN damage the engine. Forward Speed Control (FSC) The Forward Speed Control (FSC) is a rocker switch located adjacent to the RH thumb position near the RH pistol grip.

  • Page 27: Ignition Switch

    Operating Instructions Ignition Switch The ignition switch has two positions: a RUN and an OFF position. The RUN position should be used when starting (using the recoil starter) and running the engine. The OFF position stops the engine. Ignition Switch STARTING THE ENGINE CAUTION Before operating the mower, read and un-...
  • Page 28 Speed Control setting until familiar with all operating characteristics. mower is controlled by the FSC toggle switch (a unique Walker feature); always squeeze the pistol grips for steering or for reverse motion of the mower. smooth action. Jerky movements are hard on the transaxles and lawn.

  • Page 29: Engaging The Mower

    Operating Instructions ENGAGING THE MOWER Set the engine throttle at about 1/3 speed. Do not attempt to engage the blade clutch at high engine speeds. This will drastically short- en drive belt life. Use only moderate engine speed when engaging the blade clutch. Pull the blade clutch lever SLOWLY up to en- gage the mower blades.

  • Page 30: Adjusting Cutting Height

    Operating Instructions CAUTION A brake stops the cutter blades from free- wheeling within five (5) seconds after dis- engaging the clutch. If the brake system malfunctions and the blades do not stop within five (5) seconds, the brake should be adjusted or repaired before operating the mower.

  • Page 31: Recommendations For Mowing

    Operating Instructions Neutral Lockout Rod (LH) Freewheel Position Neutral Lockout Rod (LH) Operating Position RECOMMENDATIONS FOR MOWING IMPORTANT: Operate the engine at full speed when mowing, to allow the engine to produce full horsepower and to increase efficiency of the engine cooling system.

  • Page 32: Recommendations For Tilt-Up Deck Operation/Transport

    Operating Instructions When operating on a slope, reduce speed and use caution to start, stop, and maneuver. Avoid sharp turns or sudden changes in direction. The maximum recommended side slope operating angle is 20 degrees or 33% grade. 60 in. Maximum Recommended Side Slope RECOMMENDATIONS FOR TILT-UP DECK OPERATION/TRANSPORT...

  • Page 33: Maintenance Schedule Chart

    Maintenance Instructions MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MW Service Item Check Engine Crankcase Oil Level Check/Clean Engine Air Intake Screen* Check for Loose or Lost Nuts and Screws Clean Grass Buildup Under Deck Service Mower Blades Lubricate Grease Fittings and Oil Points* Check Tire Pressure Check Drive Belts (PTO, Ground Drive)

  • Page 34: Lubrication

    Maintenance Instructions LUBRICATION WARNING DO NOT attempt to lubricate the machine with the engine running. Disengage the PTO clutch, shut off the machine, and re- move the ignition key. Proper lubrication is an important maintenance pro- cedure. It reduces wear and makes the machine quieter and easier to operate.

  • Page 35: Grease Fitting And Oil Point Lubrication

    Maintenance Instructions Before removing the oil filter, clean the area around the filter to keep dirt and debris out of the engine. Remove the old oil filter and wipe off the filter mounting surface on the engine. Apply a thin coating of clean oil to the rubber gasket on the replacement oil filter.

  • Page 36: Dsd52 Mower Deck Lubrication

    Maintenance Instructions Clean the area around the individual gearbox cover plates to prevent contaminants from en- tering the gearcase. Remove the screws securing the cover plates on the blade drive gearboxes. Check the level of lubricant in the gearboxes. If the lubricant is low, add SAE E.P.

  • Page 37: Tractor Pto Gearbox Lubrication

    Maintenance Instructions Tractor PTO Gearbox Lubrication Checking Gearbox Oil Level The tractor PTO gearbox is permanently lubricated (oil filled) and sealed requiring no scheduled lubrica- tion. However, the gearbox oil seals should be checked every 25 hours for indication of oil leaks. If evidence of an oil leak is noted, replace the oil seal and relubricate the gearbox.
  • Page 38 Maintenance Instructions Ident Location Deck Caster Wheel Fork Pivot Deck Caster Wheel Bearing Tee Gearbox, Deck Blade Drive Gearbox PTO Shaft Guard Hinge Universal Joint Shaft & Tube Assembly Pivot Assembly, Tilt-Up Deck Deck Support Arm Socket Universal Joint Quick Connect Spline (Grease Slide Area) Tilt-Up Roller Wheel Ground Drive Belt Idler Arm...
  • Page 39 Maintenance Instructions Chassis and Deck Lubrication Points LUBRICATION...

  • Page 40: Cleaning

    Maintenance Instructions CLEANING Engine Air Cleaner System There are two components in the engine air cleaner system: a foam prefilter element and a paper ele- ment. Each component is checked, cleaned and maintained on a different schedule based on the fil- tering action required.

  • Page 41: Checking/Servicing

    Maintenance Instructions CHECKING/SERVICING DANGER To prevent accidental starting of the en- gine when servicing or adjusting the ma- chine, remove the key from the ignition switch and disconnect the spark plug wires. Battery Charging the Battery Limit initial charging current to 1000mA. Charge un- til battery voltage (under charge) reaches 14.40 to 14.70 volts at 68°F (20°C).

  • Page 42: Drive Belts

    Maintenance Instructions Sharpen at Original 30° Angle 30° Sharpen on Underside Mower Blade Profile For Sharpening Check blade balance by positioning the blade horizontally on a blade balancer or use a nail or shaft through the center hole. If either end of the blade rotates downward, grind (remove) metal on that end until the blade will balance.

  • Page 43: Blade Brake Action

    Maintenance Instructions Blade Brake Action WARNING It is important to check and maintain blade brake action for safe operation of the ma- chine. Check the function of the cutter blade brake by en- gaging the blade clutch (PTO), operating the engine at full throttle, then disengaging the clutch and mea- suring how quickly the blades stop.

  • Page 44: Replacing/Repairing

    Maintenance Instructions REPLACING/REPAIRING DANGER To prevent accidental starting of the en- gine when replacing parts or repairing the machine, remove the key from the ignition switch and disconnect the spark plug wires. IMPORTANT: ALWAYS use genuine factory re- placement parts. Substitute parts CAN result in product malfunction and possible injury to the oper- ator and/or others.

  • Page 45: Blade Overload Shear Bolts

    U-Joint Shaft Assembly Cotter Pin PTO Shear Pin IMPORTANT: Use only Walker P/N 8067-13 shear pins for replacement to provide proper shock protection -- these pins are hardened to shear under a specific amount of load. Reinstall the PTO shaft guard.

  • Page 46: Mower Deck Gearbox Replacement

    Reinstall the blades following procedure from Sharpen Mower Blades instructions. If blades are replaced, always use Walker original equipment blades to ensure safety and optimum performance. The quality and performance of replacement blades offered by other manufacturers cannot be guaranteed, they could be dangerous.

  • Page 47: Adjustments

    Maintenance Instructions Install the new gearbox on the spline coupling of the drive shaft. Establish correct timing of the blade drive gearboxes by setting flats on the output shaft at 90 degrees when connecting the gearbox(es) to the spline coupling. Make sure the timing is correct before proceeding with as- sembly.

  • Page 48: Transmission Control

    Maintenance Instructions Use the adjustment nut on the PTO clutch actu- ator assembly (refer to PTO Clutch Linkage Adjustment photo) to set the tension applied by the PTO clutch lever. The adjustment nut is initially set to achieve an approximate measure- ment of 2-3/4"...

  • Page 49: Control Arm Rod Adjustment

    Maintenance Instructions Control Arm Rod Adjustment - Step 2 For both control arm rods, loosen jam nut on ball joint end of control arm rod and adjust to ob- tain a 1-1/4" measurement between jam nuts (4-1/2" measurement between centers of ball joints).

  • Page 50: Control Handle (Pistol Grip) Adjustment

    Maintenance Instructions If one wheel is moving too fast, bring the mower back into NEUTRAL (using the FSC switch) and slightly tighten the adjustment bolt on the speed control actuator on the side that is moving faster. Tighten Bolt to Slow Down Travel Speed Tracking Adjustment...

  • Page 51: Carburetor

    Maintenance Instructions Carburetor CAUTION DO NOT change the engine governor set- tings or overspeed the engine. The gov- ernor has been factory set for maximum safe engine operating speed. Carburetor adjustments are required to compensate for differences in altitude, temperature, and fuel. Once the carburetor has been set, no further adjust- ments should be required.
  • Page 52 ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...
  • Page 53 F375 F375 NOTE: A 2-1/2" diameter tilt-up roller wheel (P/N 9772) is required for decks installed on the walk-behind. Refer to page 16 for Installation Instructions. F029 F031 F020 F005 F341 F029 F342 F020 F093 F342 F004 F093 F029 F004 F020 F182 F025...

  • Page 54: Main Component Power Transmission

    ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...

  • Page 55: Body / Chassis Assembly

    F026 Refer to Body / Chassis Assembly F029 F181 F168 F005 F009 F005 F371 F012 F371 F093 F049 F020 F020 F093 F049 F020 F020 F151 F235 F235 F235 F029 Refer to Engine Group Refer to Engine Group F010 F151 F178 F061 F029 F013...
  • Page 56 ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...
  • Page 57 F035 F163 F025 F025 F184 F185 F185 F184 Refer to Body / Chassis Assembly F009 F163 F240 F002 F002 Š...
  • Page 58 ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...
  • Page 59 F069 F060 F069 F069 F029 F029 F005 F024 F032 F004 F008 Refer to Body / Chassis Assembly F312 F363 F008 F167 F093 F365 F060 F005 F049 F367 F009 24 23 Refer to Engine Group F004 F069 F235 F031 F069 F031 F111 F111 F235...

  • Page 60: Sulky Attachment

    ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...
  • Page 61 Refer to Body / Chassis Assembly F020 F316 F060 F020 F020 F020 F226 F049 F049 F049 F034 F049 F151 F009 F098 F009 F060 F020 F020 F020 F047 F060 F060 F316 F009 F014 F014 F049 F049 F049 F226 F348 F151 F055 F009 F012 Š...

  • Page 62: Electrical Assembly

    ÃQ6SU 9@T8S QU PI ÃIP ÃÃIP Š Ã Ã IPÃ Ã Ã Ã Ã Ã Ã Q6SU 9@T8S QU PI S@R·9 ÃIP ÃÃIP Ã Ã IPÃ Ã Ã Ã Ã Ã Ã S@R·9...

  • Page 63: Forward Speed

    Refer to Forward Speed & Steering Controls F026 F002 END VIEWS ARE SHOWN FROM BACK OF PLUG DETAIL A DETAIL B DETAIL C RED/YEL BLK/WHT BRN/WHT F025 F026 Refer to Engine Group F002 DETAIL D DETAIL E DETAIL F BLK/WHT F349 F002 Refer to...

  • Page 64: Wiring Schematic

    OPERATOR PRESENCE SWITCH BLK/GRA NEUTRAL SWITCH SWITCH BATTERY WALKER MODEL MW Beginning S/N 2004-68081 S1 = START CIRCUIT S2 = START/ACCESSORY CIRCUIT M = MAGNETO GROUND CIRCUIT B = BATTERY CIRCUIT A = ACCESSORY CIRCUIT G = GROUND CIRCUIT HOUR METER...
  • Page 65 96U@ T@SW 8@ @IB I@ CPVST Š...
  • Page 66 Operator’s Notes...

  • Page 67: Limited Warranty

    (1) year after date of sale to the original retail purchaser unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days. At Walker’s request, customer will make the defective part available for inspection by Walker and/or return the defective part to Walker, transportation charges prepaid.
  • Page 68 WALKER MFG. CO. 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 (970) 221-5614 © FORM NO. 110103 PRINTED IN USA www.walkermowers.com 2004 WALKER MFG. CO...

This manual is also suitable for:

Mw

Table of Contents