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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: 174903 Instructions Prior to Operating Machine P/N 2000-39...
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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.
H37i Table of Contents General Information Steering Levers ............28 Blade Clutch (PTO) ...........28 Highlighted Information ........1 Parking Brake ............29 Glossary ...............1 Oil Pressure Warning Light/Horn ......30 Identifying Number Locations ......1 Engine Service Light ..........30 Engine Serial Number Location ......2 Over Temperature Warning Light/Horn .....30 Servicing of Engine and Drivetrain Compo- Transaxle Lockout Arms ...........31...
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Table of Contents H37i Check Transaxle Fluid Level ........49 Neutral Function Adjustment .........71 Grease Fitting and Oil Point Lubrication ....49 Full Forward Speed Adjustment ......72 Transaxle Oil and Filter Change .......52 Straight Tracking Adjustment.........72 Cleaning .............53 FSC Neutral Switch Adjustment ......72 Forward Speed Control Engine Air Cleaner System ........53...
(ROPS) offers enhanced operator protection in vice requiring special training or tools be performed the event of a roll-over type accident. by an authorized Walker Mower dealer. There are several general practices to be aware of in the ● SIDE DISCHARGE (SD) discharges mowed area of safety.
If you have any diffi culty finding an authorized outlet or obtaining warranty service, please contact our Tractor Serial Number Location Service Depart ment for assistance: Walker Manufacturing Company 5925 E. Harmony Road Fort Collins, CO 80528 1-970-221-5614 www.walker.com...
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Drive 15 (103) Tailwheel 20 (137) DRIVE BELTS Engine PTO Walker P/N 2230 (Set of 3) Ground Drive Walker P/N 2248-1 SEAT Full Spring Suspension with Dampening and Adjustments for Back Angle, Lumbar Support, and Operator Weight. Standard with Ad- justable/Retractable Armrests.
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H37i Specifications 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 (DR64-3) Width in. (cm) Tractor Only (Outside Tire) 46.5 (118)
Component Identification H37i COMPONENT IDENTIFICATION NOTE: Operator Controls are identified in the sec- tion Operating Instructions on page 27. Body Tilt-Up Tilt-Up Latch Latch Counterweight Springs and Protective Covers Adjustable Footrests Deck Support Arm Deck Tilt-Up Bar Forward Speed Control (FSC)
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H37i 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...
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Component Identification H37i 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...
When you see the Safety Alert Symbol ( safety. read, understand, and follow the instructions. Fail- The Walker Rider Lawnmower has been designed ure to comply with safety instructions may result in with many safety features to protect the operator personal injury.
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Safety Instructions H37i Do not wear loose fitting clothing that could e. Replace the machine fuel cap(s) and con- get caught in moving parts. Do not operate tainer cap securely and clean up any this machine while wearing shorts; always spilled fuel before starting the engine.
H37i Safety Instructions OPERATING In case the transmission drive belt breaks during operation, and if the machine is on a slope, the machine will freewheel down the WARNING slope. To maintain control, immediately (1) Release the steering levers and simultane-...
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Safety Instructions H37i 12. When moving forward, do not suddenly put 18. In case of a clogged or plugged mower the tractor in reverse by rapidly pulling on the deck: steering levers, especially when going down- a. Disengage the blade clutch (PTO), engage...
Always use the proper engine service man- contact your Walker dealer or authorized ual when working on the engine. Unauthor- Briggs & Stratton service dealer. ized maintenance operations or modifications...
Safety Instructions H37i 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.
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H37i 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.
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Safety Instructions H37i 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.
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H37i 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.
Important Battery Service, Installation, and Charging Tips For Electronic Fuel Injection SETUP INSTRUCTIONS Engines: Walker Mowers are shipped partially assembled to ● Do not allow the battery cables to touch our distribution network, and are typically assem- opposing terminals. When connecting bled by the selling dealer.
H37i Assembly Instructions Battery Charging Battery Installation IMPORTANT: Make sure battery is securely DANGER mounted in the frame. A loose battery may cause damage to the case resulting in acid leakage and BATTERIES PRODUCE EXPLOSIVE GASES severe damage to the machine. A hazard may be...
Assembly Instructions H37i PTO Shaft Guard Installation Position the shaft guard as shown and mount with two (2) 1/4-20 x 1/2 in. bolts. Carrier Frame Tube Socket Attach Deck Caster Wheel Installation Guard Deck Discharge Deflector Shield Installation (DS61) PTO Shaft Guard Installation Attach the side discharge deflector shield using two (2) 3/8-16 x 1-1/4 in.
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H37i Assembly Instructions Unhook lower edge of rubber debris guard and Deck Support raise for access to the tractor PTO shaft. Re- Arms fer to Mower Deck Installation photo for location of debris guard. Coupler Installation Tool Align Arrows Rubber Debris...
Assembly Instructions H37i IMPORTANT: To prevent damage to the mow- er, make sure the PTO quick disconnect is Counterweight Springs securely locked on the tractor, with the locking Clip Onto Body balls fully seated in the groove and the ring in...
H37i Assembly Instructions Deck Leveling Procedure The side-to-side measurements should not vary by more than 1/8 in. (3 mm). If neces- Position the mower on a smooth, level sur- sary, raise or lower the left and/or right front face, and set the deck height to the most support chain clevises to level the deck.
Assembly Instructions H37i PREOPERATING CHECKLIST IMPORTANT: DO NOT mix oil with gaso- line. Always use fresh, automotive grade Before operating the mower for the first time, and unleaded gas oline. DO NOT use gasoline as a routine before daily operations, it is important containing greater than 10% ethanol.
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H37i Assembly Instructions F INSPECT FIVE (5) DRIVE BELTS The tilt-up deck is secured in the raised posi- tion using the following procedure: Engine/PTO (3), Ground Drive (1) and Deck Drive (1). Remove the tilt bar from the stowed position on the carrier frame.
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Assembly Instructions H37i F CHECK MOWER BLADE CONDITION, CAUTION SHARPNESS, AND SECURITY OF MOUNT- Do not operate the mower with deck tilt-up The blade mounting nuts on gear-driven decks pivot joint UNLOCKED. Make sure locking should be torqued to 60 lb·ft (81 N·m), and the...
H37i Operating Instructions Operating Instructions Do not hold the key in the “S” position longer than 10 seconds. If the engine does not start, return the key to the “O” position for at least 60 seconds CONTROL IDENTIFICATION, LOCA- before making a restart attempt. Prolonged crank-...
Operating Instructions H37i Engine Throttle Forward Speed Control (FSC) The throttle control lever (red knob) is located on Forward Speed Control (FSC) has two functions: the left side of the seat and is used to control One is to set forward travel speed, and the other is engine speed.
H37i 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; moving the lever BACKWARD releases the brake. IMPORTANT: Stop the tractor completely before engaging the parking brake.
Operating Instructions H37i 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 sub-standard performance and MAY cause engine indicate that engine oil pressure is below the safe damage if not corrected as soon as possible.
** This reminder is only used one time. *** In normal operating conditions, oil changes in 100-hour intervals are acceptable. Walker and the engine manufacturers recommend engine Transaxle oil changes every 50 hours in extremely dirty...
Operating Instructions H37i Roll-Over Protection System (ROPS, To Lower the ROPS Roll Bar: Optional) 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 Lower the roll bar.
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...
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Operating Instructions H37i 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 rest adjustment. Refer to Figure 3.
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H37i 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 Neutral-Park...
Failure to fol low these guidelines can damage derstand all Safety Instructions and Oper- the starter motor and shorten battery life. ating Instructions. Contact your Walker dealer or authorized Briggs & Stratton dealer for additional help. ADJUSTING GROUND SPEED AND WARNING...
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(allow 1/2 second “off the seat” for the steering levers forward (a unique the time delay function); the engine should Walker feature); always PULL on the stop. In each case, if the safety sys tem is levers for steering or for reverse mo- not working, it should be repaired or re- tion of the mower.
Operating Instructions H37i ENGAGING THE BLADE DRIVE WARNING Set the engine throttle at about 1/3 speed. Do When moving forward, DO NOT suddenly not attempt to engage the blade clutch at put the tractor in reverse by rapidly pulling high engine speeds. This will drastically on the steering levers, especially when go- shorten drive belt life.
If the switch is not work- tion of the mower. Contact your Walker ing, it should be repaired or replaced be- dealer, or refer to Clutch Disengagement/ fore operating the mower.
Operating Instructions H37i ADJUSTABLE FOOT RESTS WARNING Some carrier frames are outfitted with adjustable In case the transmission drive belt breaks foot rests. To adjust, rotate the footrests upward during operation, and if the machine is on and slide to the desired position. Rotate the foot-...
H37i Operating Instructions Push down on the lift pedal and lift up on the Raise the body. cutting height release lever. Slowly release Pull up on each transaxle lockout arm and the pedal while lifting the lever until the deck is move back to engage the step that holds the in the selected cutting height position.
Operating Instructions H37i RECOMMENDATIONS FOR MOWING When mowing, operate the engine at full ● throttle for the best cutting action. Mowing with a lower engine RPM causes the mowing DANGER blade to not cut clean and tear the grass. The...
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H37i Operating Instructions Maximum Recommended Slope - Do Not Operate on Steep Slopes Discharge Shield Side Discharge Deflector 16 in. 15° Shield in Lowest Position ● When operating on a slope, reduce speed 60 in. and use caution to start, stop, and maneuver.
Operating Instructions H37i RECOMMENDATIONS FOR TOWING When equipped with a factory installed hitch or factory authorized hitch kit, the maximum towing capacity on flat ground is 250 lbs (113 kg) gross trailer weight. The maximum tongue weight is 50 lbs (23 kg). Use caution when towing on slopes, rough terrain or when conditions limit traction.
CAUTION Maintenance Instructions Maintenance procedures requiring special training or MAINTENANCE SCHEDULE CHART tools should be performed by a trained technician. RECOMMENDED SERVICE INTERVALS - MODEL H37i Every Ref. Service Item Daily Hours Hours Hours Hours Yearly 2 Years Page Check Engine Crankcase Oil Level...
Also, aftermarket filters often injectors, contact your Walker dealer or autho- skimp on the filtration media and require more rized Briggs & Stratton service dealer.
H37i Maintenance Instructions Lubrication LUBRICATION IMPORTANT: DO NOT operate engine with- out a sufficient oil supply in the crankcase. DO NOT operate with the oil level below the WARNING LOW mark or above the FULL mark on the dipstick. DO NOT attempt to lubricate the machine with the engine running.
Maintenance Instructions H37i 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...
H37i Maintenance Instructions Lubrication Mower Deck Spindle Lubrication Grease Fitting and Oil Point Lubrication For mower decks with belt-driven blades, lubricate Lubricate the grease fittings and oil points after each deck spindle grease fitting every 25 hours. every 25 hours of operation. Lubricate more...
Maintenance Instructions H37i Lubrication Transaxle Oil and Filter Change Screw Locking Elbow Change the transaxle oil after the initial break-in Nut Down period of 75-100 hours. Thereafter, change oil every 400 hours of operation as follows: Thoroughly clean the exterior of the transaxle housing before servicing.
H37i 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-...
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Maintenance Instructions H37i Cleaning Inspect the primary filter element after every 100 Without removing, visually inspect the condi- hours of service and replace the element and tion of the safety filter for damage or holes. safety filter yearly (or when dirty or damaged).
H37i 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.
Maintenance Instructions H37i Cleaning Inspect accessible cooling fins and clean with Clean these areas compressed air or backpack blower as need- of dirt and debris ed. If the buildup is excessive, refer to step 2. If the debris cannot be removed with com-...
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H37i Maintenance Instructions Cleaning Fit tilt bar into the socket on front of deck Hitch Pin housing and secure with hitch pin. Tilt Bar Tilt-Up Hook and Latch Connected Tilt-Up Tilt-Up Use Hitch Pin to Latch Hook Secure Tilt Bar.
Pay close attention to any oily Fans dirt buildup on the transaxle housings. This may be the result of an oil leak. If an oil leak is noticed, contact your local Walker dealer. Transaxle Cooling Fans Cooling Fins...
H37i Maintenance Instructions Checking and Servicing CHECKING/SERVICING CAUTION DANGER Important Battery Service, Installation, and Charging Tips for Electronic Fuel Injection To prevent accidental starting of the engine Engines: when servicing or adjusting the machine, Do not allow the battery cables to touch ●...
Maintenance Instructions H37i Checking and Servicing Sharpen Mower Blades Charging the Battery Check mower blade(s) for straightness, sharp- DANGER ness, condition of the cutting edge, and bal- ance every 10 hours of operation (or more often BATTERIES PRODUCE EXPLOSIVE GASES when mowing abrasive type grass or operating on sandy soils).
H37i Maintenance Instructions Checking and Servicing If the blade cutting edge is dull or nicked, it should be sharpened. Remove blades for sharpening by grasping the end of the blade using a rag or a thick, padded glove, while loosening and removing the bolt and washer that mount the blade.
Fuel Lines and Clamps Blade Brake Action NOTE: The engine fuel injection system is pres- WARNING surized and should only be serviced by a Walker dealer or authorized Briggs & Stratton service It is important to check and maintain blade dealer.
With a proper amount of friction adjusted, the starting or operating, a safety interlock switch may FSC lever should move back with a slight be malfunctioning. Contact your Walker dealer for amount of resistance (friction). If the FSC troubleshooting and/or replacement.
Maintenance Instructions H37i Replacing and Repairing REPLACING/REPAIRING Drive Belts There are five (5) individual drive belts on the machine: DANGER ● Engine/PTO Belt (Matched Set of 3) To prevent accidental starting of the engine when replacing parts or repairing the ma- ●...
H37i Maintenance Instructions Replacing and Repairing Engine/PTO Belt b. Remove two (2) wire lock pins and open Lower LH Belt Guard and PTO Belt Guard. To remove the engine/PTO belt: c. Roll the belt off the pulley(s) and remove a. Remove Upper LH Belt Guard and RH Belt the belt.
Maintenance Instructions H37i Replacing and Repairing Ground Drive Belt b. Slide belt off pulleys, then release the idler pulley. To remove the ground drive belt: a. Remove belt tension by raising the spring- loaded idler pulley with the deck tilt bar.
H37i Maintenance Instructions Replacing and Repairing Deck Drive Belt d. 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.
● Examine ends of the blade carefully, especially Model H37i is equipped with a 20 micron in-line the intersection where the flat section of the blade turns up to form the “wing tip” (refer to fuel filter (Briggs &...
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Reinstall the blades following procedure from Sharpen Mower Blades on page 60. If blades are re placed, always use Walker original equip- ment blades to ensure safety and optimum perfor- mance. The quality and performance of replace- ment blades offered by other manufacturers cannot be guar anteed, they could be dangerous.
Maintenance Instructions H37i Adjustments ADJUSTMENTS Adjust the position of the RH lever by turning the stop bolt in the Speed Control Actuator in or out. Turning the stop bolt in will make the Transmission Control RH lever move back, and turning it out will IMPORTANT: The proper adjustment of the trans- make it move forward.
H37i 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 re- moving the ball joint on the lever end of the FSC Rod, loosen the jam nut, adjust the rod length.
Maintenance Instructions H37i Adjustments With the body lowered and the FSC in NEU- Step 5 - Straight Tracking Adjustment TRAL-PARK, start the engine. With the en- Sit in the seat, start the engine, set throttle at gine at normal operating speed, check for full speed, and with the FSC in the NEUTRAL- movement of the drive wheels.
Maintenance Instructions H37i 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 mm to 8 mm) with the clutch engaged.
H37i Maintenance Instructions Adjustments Use the following procedures to check and adjust clutch disengagement and brake action: Step 1 - Idler Pulley Maximum Travel Adjust- ment Loosen the brake band adjustment nut allowing clutch pivot stop arm and stop bolt to make contact 6-1/4 in.*...
Maintenance Instructions H37i 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:...
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MAINTENANCE AND SERVICE RECORD SHEET DATE SERVICE ENGINE ITEM HOURS ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________...
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MAINTENANCE AND SERVICE RECORD SHEET DATE SERVICE ENGINE ITEM HOURS ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________...
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(2) years* after the date of sale to the original retail purchaser unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days. At Walker’s request, customer will make the defective part available for inspection by Walker and/or return the defective part to Walker, transportation charges prepaid.