Walker H38i Operator's Manual
  1. Manuals
  2. Brands
  3. Walker Manuals
  4. Lawn Mower
  5. H38i
  6. Operator's manual

Walker H38i Operator's Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
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: 147211
Instructions Prior to Operating Machine
P/N 2000-21

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the H38i and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Walker H38i

Summary of Contents for Walker H38i

  • 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: 147211 Instructions Prior to Operating Machine P/N 2000-21...
  • 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 CLEANING ____________________________ 52 ADJUSTMENTS ________________________ 69 Engine Air Cleaner System _____________ 52 Transmission Control__________________ 69 Kohler Air Cleaner ____________________ 52 Steering Lever Position Adjustment ______ 69 Engine Cooling System ________________ 54 Steering Handles Adjustment ___________ 69 Cooling Air Intake Screen ______________ 54 Neutral Function Adjustment ____________ 70 Cylinder Head Cooling Fins ____________ 54 Full Forward Speed Adjustment _________ 71...

  • Page 5: General Information

    Most accidents associated with the oper­ ● TRANSAXLE transmits and controls power ation or maintenance of a Walker Mower are caused from the ground drive belt to the main drive by disregarding basic safety precautions or specific warnings. Such accidents, in most cases, can be wheel.

  • 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.walkermowers.com...

  • Page 7: Specifications

    Specifications MODEL H38i ENGINE Manufacturer/Model Kohler Command Pro ECH980, 2 Cyl., OHV, Gasoline ® (Air­Cooled), Electronic Fuel Injection (EFI) Displacement cu. in. (cc) 61 (999) Max. Power HP (kW) 38.0 (28.3) @ 3600 RPM Governed RPM 3600 · · 53 (71.9) Max.

  • Page 8: Blade Drive

    Transmission Oil Capacity fl oz (L) 77 (2.3) Transmission Cooling Cooling Fan Mounted on Drive Pulley Oil Filter Hydro­Gear P/N 52114 (Walker P/N 2026­6) ® Ground Travel Speed Forward MPH (km/h) 0­10 (0­16) Infinitely Variable Reverse MPH (km/h) 0­5 (0­8) Infinitely Variable...

  • Page 9: Drive Belts

    Tractor with 64" Rear Discharge 1239 (562) Deck (DR64­3) 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.

  • Page 10: Component Identification

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

  • Page 13: 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 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 11. Never attempt to make any adjustments caught in moving parts. Do not operate this ma­ while the engine is running, except where chine while wearing shorts; always wear ade- spe cifically instructed to do so.

  • Page 15: 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...
  • Page 16 Safety Instructions - Operating 14. The maximum recommended slope operat- 19. If the cutting blades strike a solid object or the ing angle is 15 degrees or 26% grade. When machine begins vibrate abnormally, operating the machine on a slope, reduce speed immediately disengage the blade clutch and use caution to start, stop, and maneuver.
  • Page 17 For service of the pressurized fuel system, includ­ ing the fuel pump, fuel lines, and fuel injectors, contact your Walker dealer or authorized Kohler service dealer. Altering the equipment or engine in any manner which adversely affects its operation, perfor­...

  • Page 18: Safety, Control, And

    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 TWIST DR64 BELT P/N 2731-5 2749-7...
  • 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. 8600-2 Location: Flex Coupler Guard in Front of Engine Part Number: 8600-2...

  • 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

    Assembly Instructions SETUP INSTRUCTIONS Walker Mowers are shipped partially assembled to our distribution network, and are typically assem­ bled by the selling dealer. For any additional as­ sembly besides the following, contact your Walker dealer. Battery Service CAUTION Battery Important Battery Service, Installation, and...

  • Page 23: Dry Battery Service

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

  • Page 24: Battery Installation

    Assembly Instructions Battery Installation Mower Deck Assembly Deck Caster Wheels Installation IMPORTANT: Make sure battery is securely mount­ ed in the frame. A loose battery may cause damage Remove the bolts and washers from each deck to the case resulting in acid leakage and severe caster wheel.

  • Page 25: Pto Shaft Guard Installation

    Assembly Instructions PTO Shaft Guard Installation Mower Deck Installation on Tractor Position the shaft guard as shown and mount with Deck Installation two (2) 1/4­20 x 1/2 in. bolts. 1. Lightly grease each deck support arm (2) on the tractor. Refer to Mower Deck Installation photo for location of deck support arm.
  • Page 26 Assembly Instructions Coupler Installation Tool PTO Coupler Tube Retract Spring­Loaded Quick Disconnect Ring Coupler Installation Tool Removal (Shown with Debris Guard Removed for Clarity) PTO Coupler Installation Tool IMPORTANT: DO NOT operate tractor with Coupler Installation Tool installed. Coupler Installation Tool Align IMPORTANT: To prevent damage to the mow­...

  • Page 27: Deck Leveling

    Assembly Instructions Deck Leveling Internal Balls PTO Drive Locked on Shaft Shaft The mower deck and support frame are jig welded 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 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 CHECK ENGINE CRANKCASE OIL LEVEL Before operating the mower for the first time, and as Check the engine crankcase oil level before use and a routine before daily operations, it is important to after each 8 hours of continuous operation. Refer make sure the mower is properly prepared and to LUBRICATION for Checking Engine Crankcase ready for operation.
  • Page 30 Assembly Instructions CHECK HYDROSTATIC TRANSAXLE OIL Tilt Bar LEVEL Refer to LUBRICATION for Check Transaxle Fluid Level in Maintenance Instructions. CHECK TIRE PRESSURE Deck Caster Wheel = 20 PSI (137 kPa) Drive = 15 PSI (103 kPa) Tailwheel = 20 PSI (137 kPa) CHECK FUNCTIONS OF WARNING LIGHTS AND WARNING HORN Turn the ignition key to the ON (RUN) position.
  • Page 31 Assembly Instructions CHECK MOWER BLADE CONDITION, SHARPNESS, AND SECURITY OF MOUNTING Tilt Bar Tilt­Up Hook and The blade mounting nuts on gear driven decks Latch Connected · · should be torqued to 60 lb ft (81 N m) and the blade Hitch Pin mounting bolts on belt driven decks should be ·...

  • Page 32: Operating Instructions

    Operating Instructions CONTROL IDENTIFICATION, LOCATION, AND If the engine does not start, return the key to the “O” FUNCTION position for at least 60 seconds before making a re­ start attempt. Prolonged cranking can damage the starter motor and shorten battery life. Release the CAUTION key when the engine starts, and it will return to the ON (RUN) position.

  • 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

    Lockout Arms This reminder is only used one time. *** In normal operating conditions, oil changes in 100­hour intervals are acceptable. Walker and Transaxle Lockout Arm Location the engine manufacturers recommend engine oil changes every 50 hours in extremely dirty or...

  • Page 37: Suspension Seat

    A fully adjustable suspension seat is standard on operation of the switch is checked by having the op­ Model H38i. This seat is adjustable for back pitch, erator lift off the seat with the tractor moving forward weight, lumbar support and armrest inclination.
  • Page 38 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 39 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 40: 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 Kohler dealer for ing Instructions. additional help. ADJUSTING GROUND SPEED AND STEERING...
  • Page 41 ♦ Remember it is not necessary to hold the a slope, the machine will freewheel down steering levers forward (a unique Walker the slope. To maintain control, immedi- feature); always PULL on the levers for ately (1) Release the steering levers and steering or for reverse motion of the mower.

  • Page 42: Engaging The Blade Drive

    Operating Instructions Stop ground travel by pulling both steering le­ vers backward to the NEUTRAL position (trac­ Pull Steering tor not moving) and then moving the FSC lever Levers with Left Hand to the NEUTRAL-PARK position. Keep Feet on NOTE: If the tractor creeps forward or back ward Footrest when with the FSC lever in the NEUTRAL-PARK posi­...

  • Page 43: Stopping The Machine

    (5) seconds, the brake should Disengaged be repaired or replaced before operating Position the mower. Contact your Walker dealer. 4. Turn the ignition switch OFF. Blade Clutch Disengaged WARNING CAUTION Remove the key from the ignition switch when leaving the mower unattended.

  • Page 44: Fuel Tank Selector Valve

    Operating Instructions ADJUSTABLE FOOT RESTS WARNING Some carrier frames are outfitted with adjustable foot rests. To adjust, rotate the footrests upward and In case the transmission drive belt breaks slide to the desired position. Rotate the footrest during operation, and if the machine is on down and insert the edge of the footrest into the a slope, the machine will freewheel down nearest notch to lock in position.

  • Page 45: Transport Position

    Operating Instructions LOCKOUT position. The levers must be in the Cutting Height highest position to completely unlock the trans­ Hitch Pin Release Lever axles. Deck Lift Pedal Transaxle Lockout Arm Height Adjustment Decal Cutting Height Adjustment Transaxle Lockout Arm - Freewheel Position After moving the mower, release the arms, plac­...
  • Page 46 Operating Instructions ● Use a slow setting on the FSC for trimming op­ erations. ● Make sure the mower is leveled properly for a smooth cut. Refer to Deck Leveling in Assembly Instructions. ● Use an alternating stripe mowing pattern for best appearance and vary the direction of the stripe each time the grass is mowed to avoid wear patterns in the grass.

  • Page 47: Recommendations For Tilt-Up Deck Operation/Transport

    Operating Instructions RECOMMENDATIONS FOR TILT-UP DECK Maximum Recommended OPERATION/TRANSPORT Slope ­ Do Not Operate on Steep Slopes 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 tilt­ up position since both the roller wheels (on the back of the deck) may be damaged by moving the tractor.

  • Page 48: Maintenance Instructions

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

  • Page 49: Important Tips For Care Of The Kohler Engine

    Walker allowing dirt to enter the engine. Also, aftermarket dealer or authorized Kohler service dealer.

  • Page 50: 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 “L” mark or above WARNING the “F” mark on the dipstick. DO NOT attempt to lubricate the machine with the engine running.

  • Page 51: Mower Deck Spindle Lubrication

    Maintenance Instructions LUBRICATION Remove the dipstick, oil fill cap, and oil drain Install the new oil filter on the engine. Turn the plug, and drain the oil into a suitable container. filter clockwise until the rubber gasket con tacts Be sure to allow ample time for complete the sealing surface, then tighten an additional drainage.

  • Page 52: Dr52, Ds60 Or Dr64 Mower Deck Lubrication

    Maintenance Instructions LUBRICATION DR52, DS60 or DR64 Mower Deck Lubrication Transaxle Oil and Filter Change Change the transaxle oil after the initial break-in Lubricate the U­Joint in the drive shaft every 25 period of 75-100 hours. Thereafter, change oil hours with SAE general purpose lithium or molyb­ every 400 hours of operation as follows: denum base grease.

  • Page 53: Grease Fitting And Oil Point Lubrication

    Maintenance Instructions LUBRICATION Grease Fitting and Oil Point Lubrication Screw Locking Elbow Lubricate the grease fittings and oil points after ev- Nut Down ery 25 hours of operation. Lubricate more often when operating in dusty or dirty conditions. Use SAE general purpose lithium or molybdenum base grease for grease fittings and light machine oil (SAE 10) to lubricate oil points.
  • Page 54 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 55 Maintenance Instructions LUBRICATION 17 & 28 Chassis and Deck Lubrication Points...

  • Page 56: Cleaning

    Maintenance Instructions CLEANING CLEANING IMPORTANT: Use only Kohler air filter elements for replacement (Kohler 25 083 01­S and 25 083 04­S). Aftermarket filters may not seal properly or filter ef­ CAUTION ficiently. If a pressure washer is used on the ex- Canister posed working parts, avoid water on the electrical parts and the engine cooling...
  • Page 57 Maintenance Instructions CLEANING Inspect the primary filter element after every 100 After removing the safety filter, use a clean, hours of service and replace the element and safe­ damp cloth and wipe the interior of the air cleaner ty filter yearly (or when dirty or damaged). More canister clean.

  • Page 58: Engine Cooling System

    Maintenance Instructions CLEANING Rotating Engine Cooling Air Intake Screen Keep Engine Screen Clean Cover Cylinder Head Cooling Fins Latches It is essential for performance and longevity of the air­cooled engine to keep the cylinder head cooling Proper Orientation of Air Cleaner Cover fins clean and free of obstruction.

  • Page 59: Grass Buildup In Mower Deck Housing

    Maintenance Instructions CLEANING Every 100 hours, inspect and clean the cooling fins (more often when operating in extremely dusty, dirty Remove conditions). Remove the two (2) cylinder head ac­ Access Panel cess panels in the engine shroud and clean the cool­ Oil Line ing fins and external surfaces using compressed air.
  • Page 60 Maintenance Instructions CLEANING Fit tilt bar into the socket on front of deck hous­ ing and secure with hitch pin. Tilt Bar Tilt­Up Hook and Latch Connected Hitch Pin Use Hitch Pin to Secure Tilt Bar. Tilt­Up Tilt­Up Latch Hook Tilt Bar Installed Remove footrest or, if equipped with adjustable footrests, move the footrest to the full forward...

  • Page 61: Transaxle Housing

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

  • Page 62: Checking/Servicing

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

  • Page 63: Cleaning The Terminals

    Maintenance Instructions CHECKING/SERVICING Cleaning the Terminals Wheel Nut Torque Check the eight (8) Drive Tire mounting nuts. Every If battery terminals are corroded, remove battery 100 hours they should each be torqued to from the mower. Using a wire brush, remove corro­ ·...

  • Page 64: Drive Belts

    The blade is properly balanced when neither viced by a Walker dealer or authorized Kohler ser­ end drops. Balance of a blade is generally vice dealer.

  • Page 65: Engine Starter

    If any of the following conditions occur during start­ ing or operating, a safety interlock switch may be Yearly or every 500 hours disassemble and clean malfunctioning. Contact your Walker dealer for trou­ the solenoid shift starter. Refer to the Kohler Service bleshooting and/or replacement.

  • Page 66: Transmission Control Setting

    Maintenance Instructions CHECKING/SERVICING Transmission Control Setting On a yearly interval or when an out­of­adjustment condition is observed, check the transmission con­ trol for proper function as follows: Neutral-Park With the mower parked on level ground, start and run the engine, first at idle and then normal operat­ ing speeds.

  • Page 67: 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 engine when replacing parts or repairing ● Ground Drive Belt the machine, remove the key from the ignition switch and disconnect the spark ●...

  • Page 68: Engine/Pto Belt

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

  • Page 69: Ground Drive Belt

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

  • Page 70: 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 71: Fuel Filter

    Fuel Filter Mower Blades Mower blades are removed and remounted as Model H38i is equipped with a 10 micron in­line fuel described in the Sharpen Mower Blades instruc­ filter between the fuel tank and the fuel pump (low tions (refer to CHECKING/SERVICING to Sharpen pressure pump).
  • Page 72 Reinstall the blades following procedure from Sharp en Mower Blades instructions. 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 73: Adjustments

    Maintenance Instructions ADJUSTMENTS ADJUSTMENTS Transmission Control IMPORTANT: The proper adjustment of the tran­ saxle control stops is essential for efficient opera­ tion and life of the transaxle. These stops are prop­ Stop erly ad justed at the factory and should only require Bolt read justment if the transaxle or related control link­...

  • Page 74: 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 by loosening the jam nuts on the FSC Rod and turn the rod to attain the straight up position.

  • Page 75: Full Forward Speed Adjustment

    Maintenance Instructions ADJUSTMENTS WARNING Maximum Speed Tracking Adjustment The following adjustments are made with T­Handle the engine running. Keep all body parts Hex Wrench and tools away from rotating and hot com- ponents, and secure all loose clothing. With the body lowered and the FSC in NEU- Transmission TRAL-PARK, start the engine.

  • Page 76: Fsc Neutral Switch Adjustment

    Maintenance Instructions ADJUSTMENTS If the forward travel is straight throughout the CAUTION speed range, except at maximum speed ­ place the FSC in full FORWARD, turn the set screw in the Transmission Control Arm, of the faster Before testing the FSC Neutral Switch, dis- side, in until it contacts the limit stud.
  • Page 77 Maintenance Instructions ADJUSTMENTS The FSC friction is increased or decreased by tightening or loosening the friction adjust- ment nut. Loosen or tighten the nut and check the control function until the conditions of both steps 1 and 2 (above) are met. FSC Friction Adjustment Nut FSC Friction Adjustment Nut...

  • Page 78: 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 clear­ Clutch Engagement/Belt Tension ance of 1/4 in. to 5/16 in. (6.35 mm to 7.94 mm) with the clutch engaged. To adjust length, remove The clutch engagement and PTO belt tension are ball joint from clutch arm and shorten the clutch adjusted using the clutch actuator link.

  • Page 79: 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 80: 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 81: Maintenance Service And Records Sheet

    MAINTENANCE AND SERVICE RECORD SHEET DATE SERVICE ENGINE ITEM HOURS ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________...
  • Page 82 MAINTENANCE AND SERVICE RECORD SHEET DATE SERVICE ENGINE ITEM HOURS ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________...

  • Page 83: 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...
  • Page 84 WALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 042518 PRINTED IN USA www.walker.com ©2018 WALKER MFG. CO...

This manual is also suitable for:

H37iH25

Table of Contents

Save PDF