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Walker H37i Operator's Manual

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Operator's Manual
Safety, Assembly, Operating, and Maintenance Instructions
Please Read and Save These Instructions
For Safety, Read All Safety and Operation
Beginning S/N: 162654
Instructions Prior to Operating Machine
P/N 2000-33

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Summary of Contents for Walker H37i

  • Page 1 Operator’s Manual Safety, Assembly, Operating, and Maintenance Instructions Please Read and Save These Instructions For Safety, Read All Safety and Operation Beginning S/N: 162654 Instructions Prior to Operating Machine P/N 2000-33...
  • 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 _____________ 28 HIGHLIGHTED INFORMATION _____________ 1 CONTROL IDENTIFICATION, GLOSSARY ____________________________ 1 LOCATION, AND FUNCTION _____________ 28 IDENTIFYING NUMBER LOCATIONS ________ 1 Ignition Switch _______________________ 28 ENGINE SERIAL NUMBER LOCATION _______ 2 Engine Throttle _______________________ 29 SERVICING OF ENGINE AND Body Latch __________________________ 29...
  • Page 4 Table of Contents Maintenance Instructions REPLACING/REPAIRING _________________ 65 __________ 46 Drive Belts ____________________________ 65 MAINTENANCE SCHEDULE CHART _______ 46 Engine/PTO Belt _____________________ 66 IMPORTANT TIPS FOR CARE OF THE Ground Drive Belt ____________________ 67 BRIGGS & STRATTON ENGINE ___________ 47 Deck Drive Belt ______________________ 68 Fuel System _________________________ 47 Fuel Filter ___________________________ 69...

  • Page 5: General Information

    Most accidents associated with the opera­ ● STEERING LEVERS steer the tractor by con­ tion or maintenance of a Walker Mower are caused trolling the two transaxles. by disregarding basic safety precautions or specific warnings. Such accidents, in most cases, can be ●...

  • Page 6: Engine Serial Number Location

    If you have any dif­ ficulty finding an authorized outlet or obtaining warranty service, please contact our Service Depart­ ment for assistance: Tractor Serial Number Location Walker Manufacturing Company 5925 E. Harmony Road Fort Collins, CO 80528 1­970­221­5614 www.walker.com...

  • Page 7: Specifications

    Specifications MODEL H37i ENGINE Manufacturer/Model Briggs & Stratton Vanguard, 2 Cyl. OHV, Gasoline (Air­Cooled), Electronic Fuel Injection (EFI) Displacement cu. in. (cc) 60.6 (993) Max. Power HP (kW) 37.0 (28.3) @ 3600 RPM Governed RPM 3600 · · Max. Torque lb ft (N 54 (73.2) @ 3000 RPM...

  • Page 8: Blade Drive

    Drive 15 (103) Tailwheel 20 (137) DRIVE BELTS Engine PTO Walker P/N 2230 (Set of 3) Ground Drive Walker P/N 2248­1 SEAT Full Spring Suspension with Dampening and Adjustments for Back Angle, Lumbar Support, and Operator Weight. Standard with Ad­...

  • Page 9: Dimensions (Tractor And Mower)

    Specifications MODEL H37i DIMENSIONS (Tractor and Mower) Length in. (cm) Tractor Only 69 (175) Tractor Wheel Base 45 (115) Tractor with Tilted Deck 87.75 (223) (Approximate) Tractor with 64" Rear Discharge 107.75 (274) Deck (DR64­3) Width in. (cm) Tractor Only (Outside Tire) 46.5 (118)

  • Page 10: Component Identification

    Component Identification NOTE: Control Identification shown in Operating Instructions section. Body Tilt­Up Tilt­Up Latch Latch Counterweight Springs and Protective Covers Adjustable Footrests Deck Support Arm Deck Tilt­Up Bar Forward Speed Control (FSC) Friction Adjustment Deck Support Arm Deck Tilt­Up (Not Visible) Socket Cutting Height Release Lever (Cutting Height Adjustment)
  • Page 11 Component Identification Oil Fill Fuel Gauge Dipstick Engine Air Cleaner Body Lift Handle Adjustable Muffler Heat Footrest Shield Tailpipe Muffler (Not Visible) Fuel Pickup Fuel Tank Line and Cap Left Hand Drive Wheel Spread Axle Tail Wheel Cylinder Head Cooling (Tail Wheel) Fins Rear View and Left Side View...
  • Page 12 Component Identification LH Transmission Steering Lever RH Transmission Control Rod Spring / Dampeners Control Rod Parking Brake Safety Switch LH Transaxle RH Transaxle LH Transaxle Lockout Arm RH Transaxle Lockout Arm Parking Brake Lever Clutch Parking Brake Linkage Linkage PTO Clutch Lever Battery Transaxle Oil...

  • Page 13: Safety Instructions

    Manufacturing must take full responsibility for safety. comply with safety instructions may result in per­ sonal injury. The Walker Rider Lawnmower has been designed with many safety features to protect the operator The seriousness or degree of importance of each from personal harm or injury.
  • Page 14 Safety Instructions - Before Operating Do not wear loose fitting clothing that could get Replace the machine fuel cap(s) and con­ caught in moving parts. Do not operate this ma­ tainer cap securely and clean up any spilled chine while wearing shorts; always wear ade- fuel before starting the engine.

  • Page 15: Operating

    Safety Instructions - Operating In case the transmission drive belt breaks dur­ WARNING ing operation, and if the machine is on a slope, the machine will freewheel down the slope. To maintain control, immediately (1) Release the If Equipped With ROPS: steering levers and simultaneously (2) Move the FSC to the NEUTRAL-PARK position.
  • Page 16 Safety Instructions - Operating 12. When moving forward, do not suddenly put the 17. When using the tilt­up deck, observe the fol- tractor in reverse by rapidly pulling on the steer­ lowing: ing levers, especially when going downhill, as Do not move tractor with deck in tilt­up this can lift the tractor tail wheel off the ground position.
  • Page 17 Walker dealer authorized Briggs & Stratton service dealer. Altering the equipment or engine in any manner which adversely affects its operation, perfor­...

  • Page 18: Safety, Control

    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. 8600-12 Location: Engine Part Number: 8600-12...
  • Page 19 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. BELT ROUTING BELT TWIST BELT TWIST...
  • 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. 5685-3 Location: ROPS Roll Bar (If Equipped) Part Number: 5685-3...

  • Page 21: Maintenance

    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. Throttle ●...

  • Page 22: Assembly Instructions

    SETUP INSTRUCTIONS NOTE: Disregard the following instructions to ser­ vice the battery with electrolyte if equipped with a Walker Mowers are shipped partially assembled to sealed, maintenance­free battery. our distribution network, and are typically assem­ bled by the selling dealer. For any additional as­...

  • Page 23: Dry Battery Service

    Assembly Instructions Dry Battery Service Battery Charging DANGER DANGER Activating a battery can be dangerous. BATTERIES PRODUCE EXPLOSIVE GASES The battery should be taken to a reliable service station, battery store, or power ● Charge the battery in a well-ventilated equipment dealer where a trained techni- area, so that gases produced while cian can activate the battery safely.

  • Page 24: Battery Installation

    Assembly Instructions Battery Installation IMPORTANT: Make sure battery is securely mount­ ed in the frame. A loose battery may cause damage to the case resulting in acid leakage and severe damage to the machine. A hazard may be created by damage to critical working parts and safety sys­ tems.

  • Page 25: Pto Shaft Guard Installation

    Assembly Instructions PTO Shaft Guard Installation Deck Support Arms Position the shaft guard as shown and mount with two (2) 1/4­20 x 1/2 in. bolts. Carrier Frame Tube Socket Rubber Debris Guard Attach Mower Deck Installation Guard First, engage the LH deck carrier frame tube socket on the LH tractor support arm and then the RH arm into the RH tube socket.
  • Page 26 Assembly Instructions Coupler Ring in PTO Drive Coupler Released Position Shaft Installation Tool Align Arrows Tractor PTO Shaft PTO Coupler U­Joint Quick Disconnect Ring “Released” Position PTO Shaft Connection (Shown with Debris Guard Removed for Clarity) Internal Balls PTO Drive Locked on Shaft Shaft 5.

  • Page 27: Deck Leveling

    Assembly Instructions Deck Leveling Counterweight Springs The mower deck and support frame are jig welded Clip Onto Body With Body Tilted Up and the deck support linkage is factory adjusted. Within normal tolerances, very little, if any, adjust­ ment should be required to level the deck. Tire size Lynch Pins and pressure will affect the levelness of the deck.

  • Page 28: Deck Leveling Procedure

    Assembly Instructions Deck Leveling Procedure Measure the side­to­side level of the deck by measuring from the ground to the top of the Position the mower on a smooth, level surface, deck housing at the front corners of the deck as and set the deck height to the most common shown in the Deck Leveling illustration.

  • Page 29: Preoperating Checklist

    Assembly Instructions PREOPERATING CHECKLIST IMPORTANT: DO NOT mix oil with gasoline. Al­ ways use fresh, automotive grade unleaded gas o­ Before operating the mower for the first time, and as line. DO NOT use gasoline containing greater than a routine before daily operations, it is important to 10% ethanol.
  • Page 30 Assembly Instructions Use the tilt bar to release the two (2) deck lock­ CHECK FUNCTIONS OF WARNING LIGHTS ing arms as shown in the Unlock Deck Arms AND WARNING HORN for Deck Tilt-Up illustration. Turn the ignition key to the ON (RUN) position. Oil Pressure Warning Light, Engine Service Light, and Tilt Bar Warning Horn should all operate, indicating normal...
  • Page 31 Assembly Instructions CHECK MOWER BLADE CONDITION, Hitch Pin SHARPNESS, AND SECURITY OF MOUNT­ Tilt Bar Tilt­Up Hook and Latch Connected The blade mounting nuts on gear­driven decks · · should be torqued to 60 lb ft (81 N m), and the blade mounting bolts on belt­driven decks torqued to ·...

  • Page 32: Operating Instructions

    Operating Instructions CONTROL IDENTIFICATION, LOCATION, AND Do not hold the key in the “S” position longer than 10 FUNCTION 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 33: Engine Throttle

    Operating Instructions Engine Throttle Forward Speed Control (FSC) The throttle control lever (red knob) is located on the Forward Speed Control (FSC) has two functions: left side of the seat and is used to control engine One is to set forward travel speed, and the other is speed.

  • Page 34: Parking Brake

    Operating Instructions Parking Brake The parking brake functions by locking a detent arm to a cog in the hydraulic motor rotor. Moving the lever FOR WARD engages the parking brake; mov­ ing the lever BACKWARD releases the brake. IMPORTANT: Stop the tractor completely before engaging the parking brake.

  • Page 35: Oil Pressure Warning Light/Horn

    Operating Instructions Oil Pressure Warning Light/Horn IMPORTANT: Continued operation of the engine with an illuminated engine service light will result in The oil pressure warning light and horn signal indi­ sub­standard performance and MAY cause engine cate that engine oil pressure is below the safe oper­ damage if not corrected as soon as possible.

  • Page 36: Transaxle Lockout Arms

    NOTE: The transaxle lockout arms ends should be *** In normal operating conditions, oil changes in completely retracted against the chassis, otherwise 100­hour intervals are acceptable. Walker and operation of the transaxle may be erratic. the engine manufacturers recommend engine...

  • Page 37: Roll-Over Protection System (Rops, Optional)

    Operating Instructions Roll-Over Protection System (ROPS, Optional) To Lower the ROPS Roll Bar: Loosen the two (2) tension knobs. WARNING Remove the two (2) hitch pins. The ROPS may offer enhanced operator Remove the two (2) locking pins. protection in the event of a roll-over type accident, but only if used correctly.

  • Page 38: Suspension Seat

    Suspension Seat CAUTION A fully adjustable suspension seat is standard on Model H37i. This seat is adjustable for back pitch, Before the tractor is used, the safety switch weight, lumbar support and armrest inclination. must be checked for proper function. The...
  • Page 39 Operating Instructions For Backrest adjustment, moving the adjustment For adjusting the height of the armrest, pry out the handle upwards loosens the notching of the back­ round cap (arrow) of the cover and loosen the hexa­ rest adjustment. Refer to Figure 3. gon nut (size 13 mm) situated behind it.
  • Page 40 Operating Instructions The Forward Speed Control also Establishes the Neutral-Park Position of the Steering Levers FORWARD SPEED LEFT WHEEL RIGHT WHEEL CONTROL LEVER (FSC) STEERING LEVER STEERING LEVER Forward Position Full Forward (No Control Change) Ground Speed Position Neutral­Park Position Intermediate Ground Speed Position...

  • Page 41: Starting The Engine

    Before operating the mower, read and un- motor and shorten battery life. Contact your derstand all Safety Instructions and Operat­ Walker dealer or authorized Briggs & Stratton ing Instructions. dealer for additional help. ADJUSTING GROUND SPEED AND STEERING...
  • Page 42 Operating Instructions Move the FSC out of NEUTRAL-PARK position Pull Steering to the desired forward speed. DO NOT hold Levers with for ward on steering levers. It is not necessary Left Hand to hold the FSC lever in position since a friction lock maintains the selected lever position (and Keep Feet on forward travel speed).
  • Page 43 ♦ Remember it is not necessary to hold the steering levers forward (a unique Walker feature); always PULL on the le- The FSC may be adjusted forward for faster vers for steering or for reverse motion ground speed and backward for slower ground of the mower.

  • Page 44: Engaging The Blade Drive

    Operating Instructions ENGAGING THE BLADE DRIVE CAUTION Set the engine throttle at about 1/3 speed. Do not attempt to engage the blade clutch at An operator presence switch (seat switch) high engine speeds. This will drastically short­ will cause the engine to stop if the blade en drive belt life.

  • Page 45: Fuel Tank Selector Valve

    (2) Move the FSC to the ther operation of the mower. Contact your NEUTRAL-PARK position. When the Walker dealer, or refer to ADJUSTMENTS ma chine is stopped or moving slowly, of Clutch Disengagement/Brake Action in en gage the parking brake.

  • Page 46: Adjustable Foot Rests

    Operating Instructions ADJUSTABLE FOOT RESTS Push down on the lift pedal and lift up on the cutting height release lever. Slowly release the Some carrier frames are outfitted with adjustable pedal while lifting the lever until the deck is in foot rests.

  • Page 47: Recommendations For Mowing

    Operating Instructions RECOMMENDATIONS FOR MOWING Raise the body. Pull up on each transaxle lockout arm and move DANGER back to engage the step that holds the arm in the UP (unlocked) position. Do not mow around overhanging tree The mower will “freewheel” with the arms in the branches or bushes at the same height as LOCKOUT position.
  • Page 48 Operating Instructions ● When mowing, operate the engine at full throt- tle for the best cutting action. Mowing with a lower engine RPM causes the mowing blade to not cut clean and tear the grass. The engine is designed to be operated at full speed. ●...

  • Page 49: Recommendations For Tilt-Up Deck Operation/Transport

    Operating Instructions RECOMMENDATIONS FOR TILT-UP DECK OPERATION/TRANSPORT To avoid potential deck and/or tractor damage while using the tilt­up deck, the following recommenda­ tions are offered: ● Do not move the tractor with the deck in the tilt­up position since both the roller wheels (on the back of the deck) may be damaged by mov­...

  • Page 50: Maintenance Instructions

    Change oil every 50 hours when operating in dry, dirty conditions Δ Change transaxle oil after the initial break-in period of 75-100 hours operation ΔΔ See your Walker dealer for this service or refer to the Walker Service Manual ΔΔΔ...

  • Page 51: Important Tips For Care Of The Briggs & Stratton Engine

    Aftermarket elements may not seal in the air ing the fuel pump module, fuel lines, and fuel cleaner housing, allowing dirt to enter the en­ injectors, contact your Walker dealer or autho­ gine. Also, aftermarket filters often skimp on the rized Briggs & Stratton service dealer.

  • Page 52: Lubrication

    Maintenance Instructions LUBRICATION LUBRICATION IMPORTANT: DO NOT operate engine without a sufficient oil supply in the crankcase. DO NOT operate with oil level below the LOW mark or WARNING above the FULL mark on the dipstick. If additional oil is needed, refer to Specifications DO NOT attempt to lubricate the machine for proper crankcase lubricant.

  • Page 53: Changing Engine Crankcase Oil/Oil Filter

    Maintenance Instructions LUBRICATION Changing Engine Crankcase Oil/Oil Filter Remove the old oil filter and wipe off the filter mounting surface on the engine. Change the engine crankcase oil after every 100 hours of operation and replace the oil filter after Apply a thin coating of clean oil to the rubber every 200 hours of operation as follows: gas ket on the replacement oil filter.

  • Page 54: Check Transaxle Fluid Level

    Maintenance Instructions LUBRICATION Check Transaxle Fluid Level Oil Filter ● The transaxle oil lubrication is SAE 20W­50 (API Service Class SL or higher) engine oil. ● Inspect both transaxle cases and hoses after every 25 hours of operation for visible leaks. ●...

  • Page 55: Grease Fitting And Oil Point Lubrication

    Maintenance Instructions LUBRICATION Reinstall the elbows. When the elbow begins to Grease Fitting and Oil Point Lubrication be snug, position the elbow as it was when re­ Lubricate the grease fittings and oil points after ev- moved and tighten the locknut. Reinstall reser­ ery 25 hours of operation.
  • Page 56 Maintenance Instructions LUBRICATION Ident Lubrication Ident Lubrication Location Type Places Location Type Places Deck Caster Wheel Fork Pivot Grease Tail Wheel Caster Fork Pivot Grease Deck Caster Wheel Bearing Grease Rear Axle Pivot Grease Front Deck Lift Pivot Grease Rear Wheel Bearing Grease Rear Deck Lift Pivot Grease...
  • Page 57 Maintenance Instructions LUBRICATION 17 & 28 Chassis and Deck Lubrication Points...

  • Page 58: Cleaning

    Maintenance Instructions CLEANING CLEANING IMPORTANT: Use only Briggs & Stratton air filter elements for replacement (Briggs & Stratton P/N 841497 Primary Filter and P/N 821136 Safety CAUTION Filter). Aftermarket filters may not seal properly or filter efficiently. If a pressure washer is used on the ex- Canister posed working parts, avoid water on the electrical parts and the engine cooling...
  • Page 59 Maintenance Instructions CLEANING Inspect the primary filter element after every 100 IMPORTANT: Prior to removing the safety filter, hours of service and replace the element and safe­ make sure the inside surface of the air cleaner ty filter yearly (or when dirty or damaged). More canister is clean.

  • Page 60: Engine Cooling System

    Maintenance Instructions CLEANING 10. Install the cover with the word “TOP” properly oriented to the top of the canister. Give the cover a slight twist as it reaches the canister to make sure the tab inside the cover goes into a slot, otherwise the cover will not fit properly.

  • Page 61: Grass Buildup In Mower Deck Housing

    Maintenance Instructions CLEANING Grass Buildup in Mower Deck Housing 1. Inspect accessible cooling fins and clean with compressed air or backpack blower as needed. If the buildup is excessive, refer to step 2. DANGER 2. If the debris cannot be removed with com­ pressed air, it will be necessary to remove the Before raising or removing the mower engine from the chassis and remove the engine...
  • Page 62 Maintenance Instructions CLEANING Fit tilt bar into the socket on front of deck hous­ Hitch Pin ing and secure with hitch pin. Tilt Bar Tilt­Up Hook and Latch Connected Tilt­Up Tilt­Up Use Hitch Pin to Latch Hook Secure Tilt Bar. Tilt Bar Installed Remove footrest or, if equipped with adjustable footrests, move the footrest to the full forward...

  • Page 63: Transaxle Housing

    Pay close attention to any oily dirt buildup on the transaxle housings. This may be the Transaxle Cooling Fans result of an oil leak. If an oil leak is noticed, contact your local Walker dealer. Cooling Fins Transaxle Housing and Cooling Fins...

  • Page 64: Checking/Servicing

    Maintenance Instructions CHECKING/SERVICING CHECKING/SERVICING CAUTION DANGER Important Battery Service, Installation, and Charging Tips for Electronic Fuel Injection 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 65: Cleaning The Terminals

    Maintenance Instructions CHECKING/SERVICING Tire Pressure Cleaning the Terminals Inflate tires to pressures shown below: If battery terminals are corroded, remove battery 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 66: Drive Belts

    Maintenance Instructions CHECKING/SERVICING Check the blades for straightness by marking Check blade balance by positioning the blade the blade tip position inside the deck housing, horizontally on a blade balancer or use a nail and then rotating the opposite end of the blade or shaft through the center hole.

  • Page 67: Spark Plugs

    NOTE: The engine fuel injection system is pressur­ at full throttle, then disengaging the clutch and mea­ ized and should only be serviced by a Walker dealer suring how quickly the blades stop. Watch the rota­ or authorized Briggs & Stratton service dealer.

  • Page 68: Safety Switch System

    FSC lever should move back with a slight ing or operating, a safety interlock switch may be amount of resistance (friction). If the FSC lever malfunctioning. Contact your Walker dealer for trou­ movement is “stiff”, the friction needs to be bleshooting and/or replacement.

  • Page 69: Replacing/Repairing

    Maintenance Instructions REPLACING/REPAIRING REPLACING/REPAIRING Drive Belts There are five (5) individual drive belts on the ma­ DANGER chine: ● Engine/PTO Belt (Matched Set of 3) To prevent accidental starting of the en- gine when replacing parts or repairing the ● Ground Drive Belt machine, remove the key from the ignition ●...

  • Page 70: Engine/Pto Belt

    Maintenance Instructions REPLACING/REPAIRING Engine/PTO Belt b. Remove two (2) wire lock pins and open To remove the engine/PTO belt: Lower LH Belt Guard and PTO Belt Guard. a. Remove Upper LH Belt Guard and RH Belt c. Roll the belt off the pulley(s) and remove Guard by removing two (2) wing nuts.

  • Page 71: Ground Drive Belt

    Maintenance Instructions REPLACING/REPAIRING Ground Drive Belt To remove the ground drive belt: Remove belt tension by raising the spring­ Slide belt off pulleys, then release the idler loaded idler pulley with the deck tilt bar. pulley. Deck Tilt LH Transaxle Ground Drive Belt RH Transaxle...

  • Page 72: Deck Drive Belt

    Maintenance Instructions REPLACING/REPAIRING Deck Drive Belt From a position on the LH side of the deck, grasp belt midsection and pull to compress To remove the deck drive belt: the belt tensioner springs and move the tensioning pulley inward. The belt will then Remove deck footrest and two (2) covers slip off the LH spindle pulley and can be over the RH and LH blade spindles.

  • Page 73: Fuel Filter

    Examine ends of the blade carefully, especially the intersection where the flat section of the Model H37i is equipped with a 20 micron in­line fuel blade turns up to form the “wing tip” (refer to filter (Briggs & Stratton P/N 845125) between the CHECKING/SERVICING for Mower Blade fuel tank and the fuel pump (low pressure pump).
  • Page 74 Reinstall the blades following procedure from Sharp en Mower Blades instructions in CHECK- ING/SERVICING in this section. If blades are re­ placed, 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 guar anteed, they could be dangerous.

  • Page 75: 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 trans­...

  • Page 76: Neutral Function Adjustment

    Maintenance Instructions ADJUSTMENTS Step 3 - Neutral Function Adjustment Control Rods Control Arm With the Forward Speed Control (FSC) in NEU- TRAL-PARK, the lever should be straight up. Adjust the angle of the FSC lever by removing the ball joint on the lever end of the FSC Rod, loosen the jam nut, adjust the rod length.

  • Page 77: Full Forward Speed Adjustment

    Maintenance Instructions ADJUSTMENTS With the body lowered and the FSC in NEU- Step 5 - Straight Tracking Adjustment TRAL-PARK, start the engine. With the engine Sit in the seat, start the engine, set throttle at full at normal operating speed, check for movement speed, and with the FSC in the NEUTRAL- of the drive wheels.

  • Page 78: Forward Speed Control Friction Adjustment

    Maintenance Instructions ADJUSTMENTS Step 7 - Forward Speed Control Friction Adjustment FSC Full Forward Position Pull Steering FSC Switch Levers Back to Check Friction Lock FSC Neutral Switch Location Switch Closed FSC Switch in Neutral Actuator Arm FSC Friction Adjustment Test (Checking Friction Lock) Place the FSC lever in the full FORWARD position, and pull both steering levers fully back;...

  • Page 79: 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 mm to 8 mm) with the clutch engaged.

  • Page 80: Clutch Disengagement/Brake Action

    Maintenance Instructions ADJUSTMENTS Use the following procedures to check and adjust clutch disengagement and brake action: Step 1 - Idler Pulley Maximum Travel Adjustment Loosen the brake band adjustment nut allowing clutch pivot stop arm and stop bolt to make contact (refer to Blade Brake Band Adjustment illustra­...

  • Page 81: Blade Brake Band Adjustment

    Maintenance Instructions ADJUSTMENTS Step 2 - Blade Brake Band Adjustment After the maximum pulley travel is set, adjust the working travel of the clutch idler pulley by adjusting the brake band nut and make the following adjust­ ment as needed: Blade Brake Adjust the blade brake band, using the adjust­...

  • Page 82: Maintenance And Service Record Sheet

    MAINTENANCE AND SERVICE RECORD SHEET DATE SERVICE ENGINE ITEM HOURS ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________...

  • Page 83: Warranty

    (2) years* after the date of sale to the original retail pur­ chaser 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 84 WALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 011521 PRINTED IN USA www.walker.com ©2021 WALKER MFG. CO...

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