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Walker MBK23 Operator's Manual
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Walker MBK23 Operator's Manual

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OPERATOR'S MANUAL
Safety, Assembly, Operating, and Maintenance Instructions
Model MBK23
Please Read and Save These Instructions
Beginning S/N: 116942
For Safety, Read All Safety and Operation
Effective Date: 04-20-12
Instructions Prior to Operating Machine
P/N 4000-5

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Summary of Contents for Walker MBK23

  • Page 1 OPERATOR’S MANUAL Safety, Assembly, Operating, and Maintenance Instructions Model MBK23 Please Read and Save These Instructions Beginning S/N: 116942 For Safety, Read All Safety and Operation Effective Date: 04-20-12 Instructions Prior to Operating Machine P/N 4000-5...
  • Page 2 Foreword Thank you. . .for purchasing a Walker mower. Every effort has been made to provide you with the most reliable mower on the market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product does not perform to your expectations, please contact your local dealer.

  • Page 3: Table Of Contents

    Table of Contents General Information Operating Instructions ________________ 1 _____________ 26 HIGHLIGHTED INFORMATION _____________ 1 CONTROL IDENTIFICATION, GLOSSARY ____________________________ 1 LOCATION, AND FUNCTION _____________ 26 IDENTIFYING NUMBER LOCATIONS ________ 1 Ignition Switch _______________________ 26 ENGINE SERIAL NUMBER LOCATION _______ 2 Engine Throttle _______________________ 27 SERVICING OF ENGINE AND Forward Speed Control (FSC) ___________ 27...
  • Page 4 Table of Contents CLEANING ____________________________ 46 ADJUSTMENTS ________________________ 62 Engine Air Cooling System _____________ 46 Transmission Control__________________ 62 Cylinder Head Cooling Fins ____________ 47 Steering Lever Position Adjustment ______ 62 Engine Air Cleaner System _____________ 48 Steering Handles Adjustment ___________ 63 Cummins/Fleetguard OptiAir™...

  • Page 5: General Information

    Most accidents associated with the opera- wheel. tion or maintenance of a Walker Mower are caused by disregarding basic safety precautions or specific • TRANSAXLE LOCKOUT RODS release the warnings.

  • Page 6: Engine Serial Number Location

    Mower Deck Serial Number Location warranty service, please contact our Service Depart- ment for assistance: ENGINE SERIAL NUMBER LOCATION Walker Manufacturing Company Refer to the engine manual that accompanies this 5925 E. Harmony Road manual or the photo below for the location of the Fort Collins, CO 80528 engine serial number.

  • Page 7: Specifications

    Automotive Grade Unleaded Gasoline Fuel (87 Octane or Greater, 10% Ethanol Maximum) Cooling System Air Cooled Air Cleaner Remote mounted Cummins/Fleetguard OptiAir (Walker P/N 2090-1 Primary/2090-3 Safety Filter) ELECTRICAL SYSTEM Battery 12 Volt, 300 CCA Charging System Flywheel Alternator Charging Output...

  • Page 8: Blade Drive

    Transmission Capacity 79 fl oz (2336 ml) Transmission Cooling Cooling Fan Mounted on Drive Pulley Oil Filter Hydro-Gear P/N 52114 (Walker P/N 2026-6) ® Ground Travel Speed Forward m.p.h. (km/h) 0-8 (0-13) Infinitely Variable Reverse m.p.h. (km/h) 0-5 (0-8) Infinitely Variable...

  • Page 9: Dimensions

    Specifications MODEL MBK23 DIMENSIONS Length in. (cm) Tractor Only 58-1/4 (148) Tail Wheels Forward - Muffler is Most Rear Point Tractor Wheel Base 40 (102) Tractor with Tilted Deck 72 (183) (Approximate) With DSD36 85-1/2 (217) With DSD42 90-1/4 (229)

  • Page 10: Deck Chart

    Specifications MODEL MBK23 With DSD56 857 (389) With DML36 771 (350) With DML42A 798 (362) With DML42B 803 (364) With DML48 800 (363) SIDE DISCHARGE DECKS MODEL DSD36 DSD42 DSD42BD DSD48 DSD52 DSD56 Cutting Width in. (cm) 36 (91) 42 (107)

  • Page 11: Component Identification

    Component Identification NOTE: Control Identification shown in Operating Instructions section. Forward Speed Oil Pressure Control (FSC) Warning Horn Friction (Not Visible) Adjustment Body Tilt-Up Latch (Not Visible) Tilt-Up Latch Counterweight Springs and Negative (-) Protective Covers Battery Cable Deck Support Deck Support Pins and Height Adjustment...
  • Page 12 Component Identification Fuel Pickup Oil Fill Dipstick Line Tailpipe Footrests Muffler Left Hand Fuel Tank Drive Wheel and Cap Tailwheel Fork Cylinder Head and Wheel Cooling Fins Spread Axle Tail Wheel Rear View and Left Side View...
  • Page 13 Component Identification Steering Lever Dampening Springs LH Transmission RH Transmission Control Arm Control Arm LH Transaxle RH Transaxle RH Transaxle LH Transaxle Lockout Rod Lockout Rod Transaxle Oil Parking Brake Expansion Linkage Reservoir Parking Brake PTO Clutch Lever Fuel Tank Cap Air Filter Parking Brake Linkage...

  • Page 14: Safety Instructions

    Manufacturing must take full responsibility for safety. comply with safety instructions may result in person- al injury. The Walker Rider Lawnmower has been designed with many safety features to protect the operator from The seriousness or degree of importance of each personal harm or injury.
  • Page 15 Safety Instructions - Before Operating 6. Do not wear loose fitting clothing that could get 12. The electrical system battery contains sulfuric caught in moving parts. Do not operate this ma- acid. Avoid any contact with skin, eyes, and chine while wearing shorts; always wear ade- clothing.

  • Page 16: Operating

    Safety Instructions - Operating Operate the mower only in daylight or in Do not operate machine if the operator pres- good artificial light with good visibility of the area ence safety switch system is not working. being mowed. Verify proper operation by having the operator lift off the seat with the engine running and mov- Sit on the seat when starting the engine and ing two controls, one at a time;...
  • Page 17 Safety Instructions - Operating 14. Never adjust cutting height with the engine 19. Do not touch the engine or muffler while the running. Before adjusting cutting height or engine is running or immediately after stop- servicing, disengage the blade clutch (PTO), ping the engine.

  • Page 18: Maintenance

    Safety Instructions - Maintenance To prevent accidental starting of the engine 11. Use care when charging the battery or per- when servicing or adjusting the machine, re- forming maintenance on the battery and electri- move the key from the ignition switch and dis- cal system: connect the spark plug wires.

  • Page 19: Safety, Control, And Instruction Decals

    Safety Instructions 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 Manual. Location: Each End of Mower Deck Part Number: 8600-8 8600-2...
  • Page 20 Safety Instructions 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 Manual. <15°...
  • Page 21 Safety Instructions 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 Manual. Location: Deck Gearbox Cover Part Number: 8600-7 Warning - stop engine and remove ignition key...

  • Page 22: Assembly Instructions

    Assembly Instructions SETUP INSTRUCTIONS Dry Battery Service Walker Mowers are shipped partially assembled to   DANGER our distribution network, and are typically assem- bled by the selling dealer. For any additional as- sembly besides the following, contact your Walker Activating a battery can be dangerous.

  • Page 23: Battery Charging

    Assembly Instructions Battery Charging Insert the 3/8-16 x 4-1/2 in. bolt through the wheel fork with the bolt head to the outside and install the 3/8-16 in. Keps nut.   DANGER Tighten the bolt and nut until the axle spacer tube bottoms against the inside of the wheel BATTERIES PRODUCE EXPLOSIVE GASES fork (will not turn) while the wheel and spacer •...

  • Page 24: Pto Shaft Guard Installation

    Assembly Instructions Mower Deck Installation on Tractor Attach Shield Deck Installation Lightly grease each deck support arm (2) on the tractor. Refer to Mower Deck Installation pho- to for location of deck support arm. Engage the deck carrier frame tube sockets on the tractor support arms (refer to PTO Shaft Guard Installation photo for socket location), slide the deck onto the support arms approxi-...
  • Page 25 Assembly Instructions Remove Installation Tool from quick disconnect Install the hitch pin through the hole on the end ring and make sure the ring has “snapped” se- of each support arm to lock the deck in place curely on the spline shaft. (refer to Deck Counterweight Spring Installa- tion photo).

  • Page 26: Deck Leveling

    Assembly Instructions Deck Leveling Check the side-to-side level. Rotate each blade sideways and measure the distance Position mower on a smooth, level surface. Set from blade tip to ground on each side. If mea- the cutting height to the highest position - 4 in. surements vary more than 1/8 in.

  • Page 27: Preoperating Checklist

    Assembly Instructions PREOPERATING CHECKLIST   DANGER Before operating the mower for the first time, and as a routine before daily operations, it is important to Handle gasoline with care. Gasoline is make sure the mower is properly prepared and highly flammable and its vapors are explo- ready for operation.
  • Page 28 Assembly Instructions The tilt-up deck can be secured in the raised posi- CHECK ENGINE COOLING SYSTEM tion by unlocking the deck lock levers on each side of the carrier frame and inserting the deck hook into Check that the engine cooling air intake screen is the tilt-up latch on the tractor body.
  • Page 29 Assembly Instructions CHECK MOWER BLADE CONDITION, SHARPNESS, BALANCE, AND SECURITY OF MOUNTING The blade mounting nuts on gear driven decks should be torqued to 60 lb·ft (81 N·m), and the blade mount- ing bolts on belt driven decks torqued to 70 lb·ft (95 N·m).

  • Page 30: Operating Instructions

    Operating Instructions CONTROL IDENTIFICATION, LOCATION, AND Do not hold the key in the “S” position longer than FUNCTION 10 seconds. If the engine does not start, return the key to the “O” position for at least 60 seconds before making a restart attempt. Prolonged cranking can   CAUTION damage the starter motor and shorten battery life.

  • Page 31: Engine Throttle

    Operating Instructions Engine Throttle Steering Levers The throttle control lever (red knob) is located on the Each drive wheel is controlled by its own indepen- dent steering lever, for both steering function and left side of the seat and is used to control engine speed.

  • Page 32: Parking Brake

    Operating Instructions Parking Brake Transaxle Lockout Rods The parking brake functions by locking a detent arm The transaxle lockout rods disengage the transax- internally into the transaxle. Moving the lever FOR- les. By lifting the rods up and locking them into WARD engages the parking brake;...

  • Page 33: Body Latch

    This reminder is only used one time. *** In normal operating conditions, oil changes in 100-hour intervals are acceptable. Walker and Body Support the engine manufacturers recommend engine oil changes every 50 hours in extremely dirty or dusty conditions or for units with less than 100 hours annual use.
  • Page 34 Operating Instructions The Forward Speed Control also Establishes the Neutral-Park Position of the Steering Levers FORWARD SPEED LEFT WHEEL CONTROL LEVER (FSC) RIGHT WHEEL STEERING LEVER STEERING LEVER Forward Position Full Forward (No Control Change) Ground Speed Position Neutral-Park Intermediate Position Ground Speed Position...

  • Page 35: Starting The Engine

    Before operating the mower, read and un- low these guidelines can damage the starter derstand all Safety Instructions and Operat- motor and shorten battery life. Contact your ing Instructions. Walker dealer or authorized engine dealer for additional help. ADJUSTING GROUND SPEED AND STEERING   WARNING   CAUTION NEVER run the engine in an enclosed or poorly ventilated area.
  • Page 36 ♦ Remember it is not necessary to hold the engage the parking brake. steering levers forward (a unique Walker feature); always PULL on the levers for steering or for reverse motion of the mower.

  • Page 37: Engaging The Blade Drive

    Operating Instructions NOTE: Smooth action on the steering levers IMPORTANT: DO NOT engage the blade clutch will produce smooth mower operation. Remem- when transporting the mower across drives, side- ber to keep the engine and ground speed slow walks, loose materials, etc. DO NOT engage the until learning the control response.

  • Page 38: Stopping The Machine

    1 in. (25 mm) [top holes] to should be repaired or replaced before op- 4 in. (102 mm) [bottom holes] in 1/2 in. (13 mm) erating the mower. Contact your Walker increments. dealer. Turn the ignition switch OFF.

  • Page 39: Transaxle Lockouts

    Operating Instructions Hydro Lockout Rod Lift Handle Deck Support Pin Hitch Pin Hydro Lockout Rod - Freewheel Position After moving the mower, release the rods, plac- ing them in the normal OPERATING position. Cutting Height Adjustment The transmission rod ends should be complete- ly retracted against the chassis, otherwise op- TRANSAXLE LOCKOUTS eration of the transmission maybe erratic.

  • Page 40: Recommendations For Mowing

    Operating Instructions • RECOMMENDATIONS FOR MOWING When mowing in adverse conditions (tall and/or wet grass), mow the grass twice. Raise the mower to the highest setting - 4 in. (102 mm) - for the first   DANGER pass and then make a second pass cutting to the desired height.

  • Page 41: Recommendations For Tilt-Up Deck Operation/Transport

    Operating Instructions • RECOMMENDATIONS FOR TILT-UP DECK When operating on a slope, reduce speed and OPERATION/TRANSPORT use caution to start, stop, and maneuver. Avoid sharp turns or sudden changes in direction. The To avoid potential deck and/or tractor damage while maximum recommended side slope operating using the tilt-up deck, the following recommenda- angle is 15 degrees or 26% grade.

  • Page 42: Maintenance Instructions

    Maintenance Instructions   CAUTION Maintenance procedures requiring special training or tools should be performed by a trained technician. MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MBK23 Every Ref. Service Item Daily Hours Hours Hours Hours Yearly 2 Years Page...

  • Page 43: Important Tips For Care Of The Kohler Engine

    Use only Cummins/Fleetguard air cleaner including the fuel pump module, fuel lines, and fuel elements. Aftermarket elements may not seal in the injectors contact your Walker dealer or authorized air cleaner housing, allowing dirt to enter the engine. Kohler service dealer.

  • Page 44: Lubrication

    Maintenance Instructions LUBRICATION LUBRICATION IMPORTANT: DO NOT operate engine without a sufficient oil supply in the crankcase. DO NOT operate with the oil level below the “L” mark or   WARNING above the “F” mark on the dipstick. If additional oil is needed, refer to Specifications DO NOT attempt to lubricate the machine for proper crankcase lubricant.
  • Page 45 Maintenance Instructions LUBRICATION Remove the dipstick and open oil drain valve Before removing the oil filter, clean the area and drain the oil into a suitable container. Be around the filter to keep dirt and debris out of sure to allow ample time for complete drainage. the engine.

  • Page 46: Mower Deck Gearbox Lubrication

    Maintenance Instructions LUBRICATION Mower Deck Gearbox Lubrication NOTE: Since the gearboxes are connected as a unit by connector tubes, it is necessary to add On gear driven decks, the mower deck gearboxes oil slowly. Allow a few minutes after adding oil (tee gearbox and blade drive gearboxes) are con- for the oil to flow throughout the assembly and nected as a unitized assembly, and oil flows freely...

  • Page 47: Grease Fitting And Oil Point Lubrication

    Maintenance Instructions LUBRICATION Reinstall drain plugs. Grease Fitting and Oil Point Lubrication Remove the oil reservoir hose attached to the Lubricate the grease fittings and oil points after ev ery elbow on top of the transaxles and remove the 25 hours of operation. Lubricate more often when elbows to access the oil fill openings.
  • Page 48 Maintenance Instructions LUBRICATION Ident Lubrication Ident Lubrication Location Type Places Location Type Places Rear Axle Pivot Grease Deck Caster Wheel Fork Pivot Grease Rear Wheel Bearing Grease Deck Caster Wheel Bearing Grease Engine Dipstick Oil*** Δ Blade Spindle Grease Throttle Control Cable Ends Oil Pivot Assembly, Tilt-Up Deck Grease Engine Oil Filler Oil*** Deck Support Arm Socket Grease Parking Brake Clevis Oil Δ Right Angle Gearbox Oil* Parking Brake Lever Grease Universal Joint Shaft Assembly Grease**...
  • Page 49 Maintenance Instructions LUBRICATION 27 & 31 Chassis and Deck Lubrication Points (DSD42 Shown)

  • Page 50: Mower Deck Spindle Lubrication

    Maintenance Instructions LUBRICATION/CLEANING Mower Deck Spindle Lubrication CLEANING For belt driven decks, lubricate each deck spindle   CAUTION grease fitting every 25 hours. Use SAE general purpose lithium or molybdenum base grease for grease fittings. If a pressure washer is used on the ex- posed working parts, avoid water on the Transaxle Lubrication electrical parts and the engine cooling sys-...

  • Page 51: Cylinder Head Cooling Fins

    Maintenance Instructions CLEANING Cylinder Head Cooling Fins Engine Cooling It is essential for performance and longevity of the Fin Access Panels air-cooled engine to keep the cylinder head cooling fins clean and free of obstruction. After every 8 hours of operation, check the performance of the cooling system by starting the engine, holding a hand adjacent to the cylinder head, and feeling the cooling airflow.

  • Page 52: Engine Air Cleaner System

    Indicator After Service filter is overly restricting airflow into the engine. IMPORTANT: Use only Cummins/Fleetguard air Air Filter Restriction Gauge Location filter elements for replacement (Walker 2090-1 and 2090-3). Aftermarket filters may not seal properly or filter efficiently. Cummins/Fleetguard Air Cleaner Cover...
  • Page 53 Maintenance Instructions CLEANING Inspect the paper element after every 100 hours of Check the condition and resilience of the radial service and replace the element and safety filter ev- sealing surface (inside of the open end) of the ery 400 hours (or when dirty or damaged). More filter.

  • Page 54: Grass Buildup In Mower Housing

    Maintenance Instructions CLEANING Grass Buildup in Mower Housing OptiAir™ Canister Filter Element   DANGER Before raising or removing the mower deck for cleaning, stop the engine, re move the ignition key, and disconnect the spark plug wires. Radial Sealing Safety Filter Raise the deck lock lever handle on each side Surface of the carrier frame and pull out to release car-...

  • Page 55: Transaxle Housing

    If an oil leak is noticed, contact because of too much buildup on the baffling and your local Walker dealer. housing. Lower the deck to the normal operating position and re-engage the deck lock levers.

  • Page 56: Checking/Servicing

    Maintenance Instructions CHECKING/SERVICING CHECKING/SERVICING   CAUTION   DANGER Important Battery Service, Installation, and Changing Tips for Electronic Fuel Injected To prevent accidental starting of the en- Engines: gine when servicing or adjusting the ma- chine, remove the key from the ignition • Do not allow the battery cables to touch switch and disconnect the spark plug opposing terminals.

  • Page 57: Cleaning The Terminals

    Maintenance Instructions CHECKING/SERVICING Tire Pressure Cleaning the Terminals If battery terminals are corroded, remove battery Inflate tires to pressures shown below: from the mower. Using a wire brush, remove corro- Deck Caster Wheel = 20 PSI (137 kPa) sion with a solution of one part baking soda and Drive = 15 PSI (103 kPa) four parts water.

  • Page 58: Drive Belts

    Maintenance Instructions CHECKING/SERVICING   WARNING DO NOT try to straighten a blade that is bent. NEVER weld a broken or cracked blade. ALWAYS replace with a new blade to assure safety. Blade Balancer If the blade cutting edge is dull or nicked, it should be sharpened.

  • Page 59: Spark Plugs

    It is important to check and maintain the is pressurized and should only be serviced by a safety switch system for safe operation of Walker dealer or authorized Kohler service dealer. the machine. Every year, inspect the fuel supply line from the tank to engine for deterioration or damage.

  • Page 60: Forward Speed Control Friction Lock

    Maintenance Instructions CHECKING/SERVICING/ REPLACING/REPAIRING Forward Speed Control Friction Lock REPLACING/REPAIRING The FSC friction lock is designed to hold the se-   DANGER lected forward travel speed when the steering le- vers are moved and yet the friction is not too heavy to make moving the FSC control difficult (too much To prevent accidental starting of the en- friction).

  • Page 61: Engine/Pto Belt

    Maintenance Instructions REPLACING/REPAIRING Engine/PTO Belt To remove an engine/PTO belt: Relax belt by depressing idler arm. Remove wire lock pins (4), open belt Roll the belt off the pulley and remove the guards. belt. Wire Lock Pin Upper LH Idler Arm Guard Right Hand Lower LH...

  • Page 62: Ground Drive Belt

    Maintenance Instructions REPLACING/REPAIRING Ground Drive Belt To remove the ground drive belt: Slide belt off pulleys, then release the idler. Depress the spring-loaded idler to relax belt. RH Transaxle Ground Drive Belt LH Transaxle Drive Pulley Idler Pulley Tension Depress Idler Pulley to Spring Relax Belt Ground Drive Belt Assembly (Disengaged)

  • Page 63: Fuel Filter

    • Wipe up spilled gasoline immediately and completely. Model MBK23 is equipped with a 10 micron in-line fuel filter between the fuel tank and the fuel pump module. Replacement of this filter is recommended every 200 hours of operation or more frequently under extremely dusty or dirty conditions.

  • Page 64: Blade Overload Shear Bolts

    If timing is incorrect, con- PTO Shear Pin tact your Walker dealer. 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.

  • Page 65: Mower Blades

    (removed) when the Sharpen Mower Blades instructions. If blades are blade is sharpened. Replace the blade when less replaced, always use Walker original equipment than a 3/4 in. (19 mm) flat section remains at the blades to ensure safety and optimum performance.

  • Page 66: Adjustments

    Maintenance Instructions ADJUSTMENTS ADJUSTMENTS Adjust the position of the RH lever by turning the stop bolt in the Speed Control Actuator in or out. Transmission Control Turning the stop bolt in will make the RH lever move back, and turning it out will make it move IMPORTANT: The proper adjustment of the forward.

  • Page 67: Steering Handles Adjustment

    Maintenance Instructions ADJUSTMENTS Step 2 - Steering Handles Adjustment Step 3 - Neutral Position Adjustment An adjustment range of approximately 3 in. With the Forward Speed Control (FSC) in NEU- (76.2 mm) is available on the steering handles TRAL-PARK, the lever should be straight up. - the han dles can be adjusted forward or aft Adjust by loosening the jam nuts on the FSC depending on the arm length of the operator.
  • Page 68 Maintenance Instructions ADJUSTMENTS Securely block the tractor up so the drive tires   WARNING are off the ground. Adjust the elastic stop nuts at the front of both The following adjustments are made with control rods so that 2 or 3 threads are visible, the engine running.

  • Page 69: Full Forward Speed Adjustment

    Maintenance Instructions ADJUSTMENTS Step 4 - Full Forward Speed Adjustment Step 5 - Straight Tracking Adjustment Sit in the seat, start the engine, set throttle at full Move the FSC to the full FORWARD speed speed, and with the FSC in the NEUTRAL- position.

  • Page 70: Forward Speed Control Friction Adjustment

    Maintenance Instructions ADJUSTMENTS Step 7 - Forward Speed Control Friction Adjustment FSC Switch FSC Neutral Switch Location FSC Position With Levers FSC Switch Switch Closed Actuator Arm Place the FSC in the full FORWARD position in Neutral and pull both steering levers back; the FSC lever should not move.

  • Page 71: Blade Clutch (Pto)

    Maintenance Instructions ADJUSTMENTS Blade Clutch (PTO) Adjust the length of the clutch actuator link to achieve a clutch spring assembly bolt head clearance of Clutch Engagement/Belt Tension 1/4 in. to 5/16 in. (6.35 mm to 7.94 mm) with the clutch engaged.

  • Page 72: Clutch Disengagement/Brake Action

    Maintenance Instructions ADJUSTMENTS Use the following procedures to check and adjust clutch disengagement and brake action: Knuckle Joint Step 1 - Idler Pulley Maximum Travel Adjustment 6-1/2 in.* 2-1/8 in.* Loosen the brake band adjustment nut allowing stop (165.1 mm) (53.98 mm) arm and stop bolt to make contact (refer to Blade Brake Band Adjustment illustration).

  • Page 73: Blade Brake Band Adjustment

    Maintenance Instructions ADJUSTMENTS Step 2 - Blade Brake Band Adjustment After adjustments are complete, check blade brake action as described in CHECKING/SER- After the maximum pulley travel is set, adjust the VICING the Blade Brake Action in this section. working travel of the clutch idler pulley by adjusting If blades do not stop within five (5) seconds, the brake band nut and make the following adjust- check the following:...

  • Page 74: Operator's Notes

    Operator’s Notes...

  • Page 75: 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, transpor- tation charges prepaid.
  • Page 76 WALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 042012 PRINTED IN USA www.walkermowers.com ©2012 WALKER MFG. CO...

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