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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: 168265 Instructions Prior to Operating Machine P/N 2000-38...
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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.
H27i 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 H27i DR52, DS61 or DR64 Mower Adjustments ............70 Deck Lubrication ............49 Transmission Control ..........70 Check Transaxle Fluid Level ........49 Steering Lever Position Adjustment ......70 Grease Fitting and Oil Point Lubrication ....49 Steering Handle Adjustment ........70 Transaxle Oil and Filter Change .......52 Neutral Function Adjustment .........71...
(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...
9.4 (35.6), Two Independent 4.7 Gallon Tanks with Selector Valve Fuel Regular Grade Unleaded Gasoline (87 Octane Minimum, 10% Ethanol Maximum) Air Cleaner Remote Mounted Cummins/Fleetguard OptiAir (Walker P/N 2090-1 Primary/2090-3 Safety Filter) ELECTRICAL SYSTEM Battery 12 Volt, 350 CCA (Interstate SP-40) Charging System Flywheel Alternator...
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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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H27i Specifications TOWING Towing Capacity lb (kg) 250 (113) if equipped with a factory installed or factory authorized tow hitch DIMENSIONS (TRACTOR AND MOWER) Length in. (cm) Tractor Only 69 (175) Tractor Wheel Base 45 (115) Tractor with Tilted Deck 87.75 (223)
Component Identification H27i COMPONENT IDENTIFICATION NOTE: Operator Controls are identified in the sec- tion Operating Instructions on page 27. Deck Support Arm Body Lift (Not Visible) Handle Body Tilt-Up Latch Tilt-Up Latch Counterweight Springs and Protective Covers Deck Support Arm...
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H27i Component Identification Body Lift Handle Fuel Gauge Muffler Heat Shield Oil Fill Dipstick Adjustable Tailpipe Footrest Spread Axle (Tail Wheel) Fuel Pickup Line Fuel Tank Left Hand Cylinder Head and Cap Drive Wheel Cooling Fins Muffler Tail Wheel Rear View and Left Side View...
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Component Identification H27i LH Transmission Steering Lever RH Transmission Parking Brake Control Rod Spring / Dampeners Control Rod Safety Switch LH Transaxle RH Transaxle LH Transaxle Lockout Arm RH Transaxle Parking Brake Lockout Arm Linkage Clutch Parking Brake Linkage Lever...
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 H27i 10. Handle gasoline with care. Gasoline is Do not wear loose fitting clothing that could get caught in moving parts. Do not operate highly flammable and its vapors are explosive: this machine while wearing shorts; always a. Use an approved fuel container.
H27i 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 H27i 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- Kohler service dealer. ized maintenance operations or modifications...
Safety Instructions H27i 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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H27i 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 H27i 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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H27i 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.
When connecting SETUP INSTRUCTIONS battery cables attach the positive (+) cable to positive (+) battery terminal Walker Mowers are shipped partially assembled to first, followed by negative (-) cable to our distribution network, and are typically assem- negative (-) battery terminal.
H27i Assembly Instructions Battery Charging (+) Battery Cable DANGER Connection BATTERIES PRODUCE EXPLOSIVE GASES Battery Clamp Charge the battery in a well-ventilated ● Secured by area, so that gases produced while Wing Nut(s) charg ing can dissipate. ● Keep sparks, flames, and smoking ma- te rials away from the battery at all times.
Assembly Instructions H27i Deck Discharge Deflector Shield Installation PTO Shaft Guard Installation (DS61) Position the shaft guard as shown and mount with two (2) 1/4-20 x 1/2 in. bolts. Attach the side discharge deflector shield using two (2) 3/8-16 x 1-1/4 in. bolts, 3/8-16 ESNA nuts, and 3/8 in.
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H27i Assembly Instructions Unhook lower edge of rubber debris guard and raise for access to the tractor PTO shaft. Re- Deck Support fer to Mower Deck Installation photo for Arms location of debris guard. Coupler Installation Tool Align Arrows Rubber Debris...
Assembly Instructions H27i 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...
H27i 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 H27i PREOPERATING CHECKLIST cleaners, deicers, or moisture removing agents. DO NOT use gasoline blended with Before operating the mower for the first time, and methyl alcohol. as a routine before daily operations, it is important to make sure the mower is properly prepared and F CHECK ENGINE CRANKCASE OIL LEVEL ready for operation.
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H27i Assembly Instructions F INSPECT FIVE (5) DRIVE BELTS DANGER Engine/PTO (3), Ground Drive (1) and Deck Drive (1). Never operate cutter blades with deck in F CHECK FUNCTIONS OF WARNING LIGHTS raised position because it is hazardous. AND WARNING HORN Turn the ignition key to the ON (RUN) position.
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Assembly Instructions H27i F CHECK MOWER BLADE CONDITION, CAUTION SHARPNESS, AND SECURITY OF MOUNT- The blade mounting nuts on gear-driven decks Do not operate the mower with deck tilt-up should be torqued to 60 lb·ft (81 N·m), and the pivot joint UNLOCKED. Make sure locking...
H27i 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 H27i 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.
H27i 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 H27i 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. Lockout Arms *** In normal operating conditions, oil changes in 100-hour intervals are acceptable. Walker and Transaxle Lockout Arm Location the engine manufacturers recommend engine oil changes every 50 hours in extremely dirty...
Operating Instructions H27i 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 H27i. 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 H27i 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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H27i 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 Operat- the starter motor and shorten battery life. ing Instructions. Contact your Walker dealer or authorized Kohler dealer for additional help. ADJUSTING GROUND SPEED AND WARNING STEERING NEVER run the engine in an enclosed or poorly ventilated area.
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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 H27i 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 H27i 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-...
H27i Operating Instructions The mower will “freewheel” with the arms in the LOCKOUT position. The levers must be in Cutting Height Hitch Pin Release Lever the highest position to completely unlock the transaxles. Deck Lift Pedal Transaxle Lockout Arm Height...
Operating Instructions H27i 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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H27i Operating Instructions Maximum Recommended Slope - Do Not Operate on Steep Slopes Discharge Shield Side Discharge Deflector Shield in Lowest Position 16 in. 15° ● When operating on a slope, reduce speed and use caution to start, stop, and maneuver.
Operating Instructions H27i 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.
Maintenance Instructions CAUTION Maintenance procedures requiring special training or MAINTENANCE SCHEDULE CHART tools should be performed by a trained technician. RECOMMENDED SERVICE INTERVALS - MODEL H27i Every Ref. Service Item Daily Hours Hours Hours Hours Hours Yearly 2 Years Page...
H27i Maintenance Instructions Lubrication Checking Engine Crankcase Oil Level Check the engine crankcase oil level before use ● Use only multi-viscosity oils as specified with and after each 8 hours of continuous operation. the viscosity matching ambient temperatures for the en gine operating conditions. This will...
Maintenance Instructions H27i Lubrication Dipstick Oil Fill Oil Drain Full Mark Dipstick, Oil Fill and Oil Drain Locations (View from Above Left Side of Tractor) Operating Range Mark Dipstick Operating Range Changing Engine Crankcase Oil/Oil Filter Change the engine crankcase oil and filter every...
H27i Maintenance Instructions Lubrication Fill the crankcase with new, clean oil. Use Reservoir Cap only crankcase lubricants recommended by the engine manufacturer. Refer to Crankcase Lubricant on page 3 in the Specifications section of this manual or the engine owner’s manual.
Maintenance Instructions H27i Lubrication Transaxle Oil and Filter Change Before reinstalling the elbows, screw the lock- ing nut on the elbows down until they are snug Change the transaxle oil after the initial break-in (the o-ring on the elbow will be to the bottom period of 75-100 hours.
H27i Maintenance Instructions Cleaning CLEANING The only maintenance required is to check the operation of the internal fan every 100 hours. Verify operation: CAUTION Look into the exhaust vent while shining a light If a pressure washer is used on the ex- into the intake.
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Cleaning IMPORTANT: Use only Cummins/Fleetguard air when worn or damaged. The lips of the valve filter elements for replacement (Walker 2090-1 and should close and fit together; any cracks, 2090-3). Aftermarket filters may not seal properly deformation, or wear in the valve is cause for or filter efficiently.
H27i Maintenance Instructions Cleaning After removing the safety filter, use a clean, Mono Latch damp cloth and wipe the interior of the air Twist Lock™ cleaner canister clean. Use special care to clean both the inside and outside surfaces of the outlet tube.
Maintenance Instructions H27i Cleaning Every 100 hours, inspect and clean the cooling fins (more often when operating in extremely dusty, Rotating Engine Cooling dirty conditions). Remove the two (2) cooling fin Air Intake Screen access panels in the engine shroud and clean the cooling fins and external surfaces using com- pressed air.
H27i Maintenance Instructions Cleaning Grass Buildup in Mower Deck Housing DANGER Before raising or removing the mower deck for cleaning, stop the engine, remove the ignition key, and disconnect the spark plug wires. Remove the tilt bar from the stowed position on the carrier frame.
To clean the housing, use compressed air and/or a pressure washer. 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 your local Walker dealer.
H27i 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 en gine Engines: when servicing or adjusting the ma chine, Do not allow the battery cables to touch ●...
Maintenance Instructions H27i 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).
H27i 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.
Blade Brake Action NOTE: The engine fuel injection system is pres- WARNING surized and should only be serviced by a Walker dealer or authorized Kohler service dealer. It is important to check and maintain blade Every year, inspect the fuel supply lines from the brake action for safe operation of the ma- tank(s) to engine for deterioration or damage.
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 H27i 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- ●...
H27i 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 H27i 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.
H27i 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.
● Wipe up spilled gasoline immediately and completely. Model H27i is equipped with a 10 micron in-line fuel filter between the fuel tank and the fuel pump (low pressure pump). Replacement of this filter is recommended every 200 hours of operation or when contamination is suspected or found in the fuel.
Sharpen Mower Blades on page 60. If blades ● An excessive amount of the flat section of the are re placed, always use Walker original equip- blade has been ground away (removed) when ment blades to ensure safety and optimum perfor- the blade is sharpened.
Maintenance Instructions H27i 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.
H27i Maintenance Instructions Adjustments Step 3 - Neutral Function Adjustment Control Arm With the Forward Speed Control (FSC) in Control Rods 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 H27i 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 H27i 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.
H27i 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 H27i 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.
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