Walker H27i Operator'S Manual Download Page 4

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Table of Contents

Maintenance Instructions

__________

MAINTENANCE SCHEDULE CHART

_______

IMPORTANT TIPS FOR CARE

OF THE KOHLER ENGINE

________________

Fuel System

_________________________

Starting/Stopping

_____________________

Cooling System

______________________

Air Cleaner System

____________________

Oil

__________________________________

LUBRICATION

_________________________

Engine Oil

___________________________

Engine Break-In Oil

___________________

Checking Engine Crankcase Oil Level

____

Changing Engine Crankcase Oil/Oil Filter

Mower Deck Spindle Lubrication

________

DR52, DS60 or DR64 Mower

Deck Lubrication

_____________________

Check Transaxle Fluid Level

____________

Grease Fitting and Oil Point Lubrication

Transaxle Oil and Filter Change

_________

CLEANING

____________________________

Engine Air Cleaner System

_____________

Turbine Precleaner

___________________

Cummins/Fleetguard OptiAir™

Air Cleaner

_________________________

Engine Cooling System

________________

Cooling Air Intake Screen

______________

Cylinder Head Cooling Fins

____________

Grass Buildup in Mower Deck Housing

___

Transaxle Housing

____________________

CHECKING/SERVICING

__________________

Security of Air Cleaner System

__________

Battery

______________________________

Electrolyte Level

_____________________

Cleaning the Terminals

________________

Charging the Battery

__________________

Tire Pressure

_________________________

Wheel Nut Torque

_____________________

Sharpen Mower Blades

________________

Drive Belts

___________________________

Spark Plugs

__________________________

Ignition Wires

________________________

Fuel Lines and Clamps

_________________

Engine Starter

________________________

Transmission Control Setting

___________

Neutral-Park

________________________

Straight Ground Tracking

______________

Blade Brake Action

____________________

PTO U-Joints

________________________

Safety Switch System

__________________

Forward Speed Control Friction Lock

_____

REPLACING/REPAIRING

_________________

Drive Belts

___________________________

Engine/PTO Belt

_____________________

Ground Drive Belt

____________________

Deck Drive Belt

______________________

Fuel Filter

___________________________

Mower Blades

________________________

ADJUSTMENTS

________________________

Transmission Control

__________________

Steering Lever Position Adjustment

______

Steering Handles Adjustment

___________

Neutral Function Adjustment

____________

Full Forward Speed Adjustment

_________

Straight Tracking Adjustment

___________

FSC Neutral Switch Adjustment

_________

Forward Speed Control

Friction Adjustment

___________________

Blade Clutch (PTO)

____________________

Clutch Engagement/Belt Tension

________

Clutch Disengagement/Brake Action

_____

Idler Pulley Maximum Travel Adjustment

Blade Brake Band Adjustment

__________

MAINTENANCE AND SERVICE

RECORD SHEET

_______________________

Warranty

_____________________

Summary of Contents for H27i

Page 1: ...nual Safety Assembly Operating and Maintenance Instructions Please Read and Save These Instructions For Safety Read All Safety and Operation Instructions Prior to Operating Machine Beginning S N 15501...

Page 2: ...r or others If any thing in this manual is confusing or hard to understand please contact your local authorized dealer or call our service department at 970 221 5614 for clarification before operating...

Page 3: ...eck Discharge Deflector Shield Installation _____________________ 20 PTO Shaft Guard Installation____________ 21 Tilt Up Roller Wheel Installation __________ 21 Mower Deck Installation on Tractor_____...

Page 4: ..._________________ 60 Tire Pressure__________________________ 60 Wheel Nut Torque______________________ 60 Sharpen Mower Blades_________________ 60 Drive Belts____________________________ 61 Spark Plug...

Page 5: ...is seated facing forward in the tractor seat POWER TAKE OFF PTO transmits engine power to run the cutter blades REAR DISCHARGE RD discharges mowed material from the back of the mower deck RIGHT HAND...

Page 6: ...nts during the limited warranty period it is important to find a local authorized servicing agent of the com ponent manufacturer Any unauthorized work done on these components during the warranty peri...

Page 7: ...ne Minimum 10 Ethanol Maximum Air Cleaner Remote Mounted Cummins Fleetguard OptiAirTM Walker P N 2090 1 Primary 2090 3 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 350 CCA Charging System Flywheel...

Page 8: ...Shaft with Two 2 High Speed U Joints Quick Disconnect Blade Drive Clutch and Brake Manual Belt Tightener Clutch and Band Brake Stops Blades within Five 5 Seconds of Disengagement TIRE SIZE Deck Caste...

Page 9: ...Rear Discharge Belt Driven Rear Discharge Belt Driven Side Discharge Cutting Width in cm 52 132 64 163 60 152 Cutting Height in cm 1 to 5 2 5 to 13 Height Adjustment in cm 1 4 1 Increments 17 Position...

Page 10: ...andle Deck Tilt Up Socket Deck Tilt Up Bar Tilt Up Latch Deck Support Arm Not Visible Forward Speed Control FSC Friction Adjustment Tilt Up Hook Cutting Height Release Lever Cutting Height Adjustment...

Page 11: ...nd Left Side View Left Hand Drive Wheel Adjustable Footrest Cylinder Head Cooling Fins Fuel Pickup Line Fuel Tank and Cap Oil Fill Fuel Gauge Dipstick Spread Axle Tail Wheel Tailpipe Muffler Tail Whee...

Page 12: ...on Control Rod RH Transmission Control Rod Steering Lever Spring Dampeners RH Transaxle Lockout Arm Clutch Linkage Rubber Bumpers Body Support RH Transaxle Parking Brake Safety Switch Transaxle Oil Ex...

Page 13: ...Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed with many safety features to protect the operator from personal harm or injury However it is...

Page 14: ...NEUTRAL PARK 2 PTO Clutch ENGAGED or 3 Parking Brake DIS ENGAGED NOTE There is a 1 2 second time delay func tion on the seat switch to avoid engine power interruption when driving over bumps 10 Handle...

Page 15: ...eel down the slope To maintain control immediately 1 Release the steering levers and simultaneously 2 Move the FSC to the NEUTRAL PARK position When the machine is stopped or moving slowly engage the...

Page 16: ...s engaging the PTO clutch 16 For side discharge mower decks do not oper ate with the grass deflector shield removed Keep the deflector in the low est possible posi tion 17 When using the tilt up deck...

Page 17: ...s and fuel injectors con tact your Walker dealer or authorized Kohler service dealer 8 Altering the equipment or engine in any manner which adversely affects its operation perfor mance durability or u...

Page 18: ...soning hazard CO emitted by a running engine can be deadly Do not operate indoors or in other enclosed areas Location Rear Body Near Muffler Part Number 8600 5 8600 5 1 1 Warning hot surface do not to...

Page 19: ...in the low est position when operating Do not remove the discharge shield Location Top of Deck Housing Part Number 8653 1 1 1 Warning secure deck with straps and engage parking brake before transport...

Page 20: ...top 3 Body Tilt Latch Raise lever to release Lift at back of body to raise 4 Warning do not engage PTO clutch with PTO shaft disconnected 5 PTO Clutch Lever Move lever forward to engage PTO clutch bac...

Page 21: ...ore oper ating the machine 3 Warning wear eye and ear protection when operating the machine 4 Warning readOperator sManualbeforeservic ing or performing maintenance Engage parking brake Remove ignitio...

Page 22: ...g Never use a quick battery charger to start the engine Never jump start the engine using another source Electricity fluctua tions can damage the ECU Electronic Control Unit Always disconnect negative...

Page 23: ...ter or any other liquid during initial activation 2 Remove the filler caps and carefully fill each cell until the electrolyte is just above the plates 3 After the battery is filled with electrolyte re...

Page 24: ...the battery COULD cause a battery explosion Battery Cable Connection Battery Clamp Secured by Wing Nut s Battery Installation Mower Deck Assembly Deck Caster Wheels Installation 1 Remove the bolts an...

Page 25: ...k Installation 1 Lightly grease each deck support arm 2 on the tractor Refer to Mower Deck Installation photo for location of deck support arm Deck Support Arms Rubber Debris Guard Mower Deck Installa...

Page 26: ...actor PTO drive shaft Refer to the PTO Shaft Connection photo 6 Remove Coupler Installation Tool from quick disconnect ring and make sure the ring has snapped securely on the spline shaft Coupler Inst...

Page 27: ...rt 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...

Page 28: ...t and or right front support chain clevises to level the deck 4 Measure the front to rear level of the deck using a straight edge as shown in the Deck Leveling illustration The rear measurement should...

Page 29: ...additives such as car buretor cleaners deicers or moisture removing agents DO NOT use gasoline blended with methyl alcohol CHECK ENGINE CRANKCASE OIL LEVEL Check the engine crankcase oil level before...

Page 30: ...erate cutter blades with deck in raised position because it is hazardous The tilt up deck is secured in the raised position using the following procedure 1 Remove the tilt bar from the stowed position...

Page 31: ...OF MOUNT ING The blade mounting nuts on gear driven decks should be torqued to 60 lb ft 81 N m and the blade mounting bolts on belt driven decks torqued to 70 lb ft 95 N m If blade sharpening is requi...

Page 32: ...ting and S is the START position When start ing the engine turn the key clockwise to the S position Do not hold the key in the S position longer than 10 seconds If the engine does not start return the...

Page 33: ...k on the steering levers overrides the FSC setting and slows or stops for ward travel Releasing the steering levers allows the tractor to resume forward travel at the speed set by the FSC lever To sto...

Page 34: ...positive mechanical lock similar to the PARK posi tion on an automotive automatic transmission If the tractor is moving when the brake is engaged it will result in sudden stoppage and possible inter n...

Page 35: ...ne performance When this light illuminates during operation contact an authorized Kohler Ser vice dealer to diagnose the fault IMPORTANT Continued operation of the engine with an illuminated engine se...

Page 36: ...nition system In addition there is a 30 amp fuse on the engine to protect the charging circuit Refer to the Kohler en gine manual included with the Owner s Packet of materials for information regardin...

Page 37: ...ar is not in the fully upright and locked position o Never lower the ROPS roll bar when operat ing in areas where there are slopes drop offs or other roll over hazards o Be aware there is no roll over...

Page 38: ...out If you fail to do so your health may be affected and the risk of ac cident increased CAUTION Before the tractor is used the safety switch must be checked for proper function The operation of the...

Page 39: ...he cover and loosen the hexa gon nut size 13 mm situated behind it Set the armrests in the desired position 5 steps and tighten the hexagon nut Replace the cap onto the nut Re fer to Figure 4 For Lumb...

Page 40: ...k Position of the Steering Levers RIGHT WHEEL STEERING LEVER LEFT WHEEL STEERING LEVER Forward Position No Control Change Neutral Park Position Reverse Drive Wheel Motion Position Idle Position Fast T...

Page 41: ...are for the operator s protection 2 Move the throttle 1 4 to 1 2 open toward FAST Turn the ignition switch to the START position to start the engine Release the key to ON RUN posi tion as soon as the...

Page 42: ...AL PARK position tractor stationary or moving for ward and the operator is not in the seat The function of this switch should be checked by the op erator raising off the seat first with the parking br...

Page 43: ...engine and ground speed slow until learning the control response WARNING When moving forward DO NOT suddenly put the tractor in reverse by rapidly pulling on the steering levers especially when go in...

Page 44: ...ades thoroughly for damage Also make sure the blade retaining bolts are torqued to 70 lb ft 95 N m STOPPING THE MACHINE 1 Pull the steering levers to the NEUTRAL posi tion and then move the FSC lever...

Page 45: ...valve is located on the left hand side of the en gine The valve switches between the LH and RH gas tanks DO NOT run tank dry before switching tanks Fuel Tank Selector Valve Fuel Tank Selector Valve A...

Page 46: ...ased 1 Raise the body 2 Pull up on each transaxle lockout arm and move back to engage the step that holds the arm in the UP unlocked position 3 The mower will freewheel with the arms in the LOCKOUT po...

Page 47: ...g 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 Avoid dama...

Page 48: ...p configuration should only be used when the tractor is parked The tractor body should never be tilted for ward with the deck in the tilt up position This can cause the deck to unhook from the tractor...

Page 49: ...ust Blade Clutch x 74 Clean Transaxle Housing x 58 Change Engine Oil Filter x 47 Check Regap Spark Plugs x 61 Replace Fuel Filter x 68 Change Transaxle Oil and Filter x 52 Check Fuel Lines and Clamps...

Page 50: ...keep hands clear of exhaust pipe muffler and moving parts when checking airflow Operate the engine at full speed when mowing This allows the engine to produce full horse power and move more cooling a...

Page 51: ...he area around the dipstick to keep any dirt or debris out of the engine 3 Remove the dipstick wipe off with a clean rag then reinsert the dipstick into the tube and press all the way down 4 Remove th...

Page 52: ...gasket con tacts the sealing surface then tighten an additional 3 4 turn to 1 turn 8 Close the oil drain valve and tighten until snug Do not overtighten 9 Fill the crankcase with new clean oil Use onl...

Page 53: ...to Transaxles Reservoir Cap Expansion Reservoir Location Grease Fitting and Oil Point Lubrication Lubricate the grease fittings and oil points after ev ery 25 hours of operation Lubricate more often w...

Page 54: ...vot Grease 1 15 Hydro IdlerArm Pivot Grease 1 16 Transaxle Oil Reservoir Oil 1 17 Throttle Control Cable Ends Oil 2 18 Engine Dipstick Oil 1 19 Tail Wheel Caster Fork Pivot Grease 2 20 RearAxle Pivot...

Page 55: ...51 Maintenance Instructions LUBRICATION Chassis and Deck Lubrication Points 3 4 5 6 29 7 27 27 17 28 8 26 12 19 17 20 21 19 13 16 10 8 9 7 6 5 4 3 12 14 30 22 18 25 15 24 23 2 1 1 2 11...

Page 56: ...cess the oil fill opening 5 Fill the transaxles with 20W 50 API Service Class SL or higher oil through the opening where the elbows were Fill up to the opening 6 Before reinstalling the elbows screw t...

Page 57: ...t while shining a light into the intake 2 Start the engine and watch the fan begin to spin as the throttle is advanced If the fan is not spinning service or replace the pre cleaner as required Cummins...

Page 58: ...of the canister There will be some initial resistance as the filter seal breaks loose and slides off of the outlet tube Gently move the end of the filter up and down and side to side or twist to loose...

Page 59: ...Radial Sealing Surface Canister Safety Filter Outlet Tube Air Filter Element Replacement 10 Install the cover with the word DOWN prop erly oriented to the bottom of the canister Twist the OptiAir cov...

Page 60: ...y dusty dirty conditions Remove the two 2 cooling fin access panels in the engine shroud and clean the cooling fins and external surfaces using compressed air Make sure to reinstall the access panels...

Page 61: ...3 Fit tilt bar into the socket on front of deck hous ing and secure with hitch pin Use Hitch Pin to Secure Tilt Bar Tilt Bar Installed 4 Remove footrest or if equipped with adjustable footrests move t...

Page 62: ...is rigid locked 8 Remove tilt bar and stow on carrier frame 9 Move footrests to desired position Transaxle Housing Keeping the housing on the transaxles clean and free of obstruction is essential to a...

Page 63: ...severe damage to the machine A hazard may be created by damage to critical working parts and safety sys tems CAUTION Important Battery Service Installation and Charging Tips for Electronic Fuel Injec...

Page 64: ...Deck Caster Wheel 20 PSI 137 kPa Drive 15 PSI 103 kPa Tailwheel 20 PSI 137 kPa Wheel Nut Torque Check the eight 8 nuts that mount the drive tires Every 100 hours they should be torqued to 75 to 85 lb...

Page 65: ...dy and inspect the condition of the four 4 drive belts after every 25 hours of operation engine PTO drive 3 and ground drive 1 Also re move the belt cover on the mower deck and check the blade drive b...

Page 66: ...tem malfunctions blades do not stop in five 5 sec onds adjust or repair the brake before operating the mower Refer to ADJUSTMENTS for Clutch Disengagement Brake Action Step 2 Blade Brake Band Adjustme...

Page 67: ...ull FORWARD position and pull both steering le vers back the FSC lever should not move If the FSC lever moves back when the steering levers are pulled back the friction needs to be increased 2 With th...

Page 68: ...t the spark plug wires IMPORTANT ALWAYS use genuine factory re placement parts Substitute parts CAN result in product malfunction and possible injury to the op erator and or others Drive Belts There a...

Page 69: ...Hidden for Clarity 2 To replace the engine PTO belt a Reverse the removal procedure to replace the engine PTO belt b Secure wire on lock pin above tab on lower PTO guard Engine PTO Belt Belt Guards Cl...

Page 70: ...he idler pulley 2 Reverse the procedure to install the ground drive belt Ground Drive Belt Assembly Disengaged Ground Drive Belt Assembly Engaged Raise Idler Pulley to Relax Belt LH Transaxle Ground D...

Page 71: ...then slip off the LH spindle pulley and can be completely removed 2 Install the deck drive belt by reversing the re moval procedure a Route the belt as shown on the belt routing decal located on the d...

Page 72: ...ed with a 10 micron in line fuel filter between the fuel tank and the fuel pump low pressure pump Replacement of this filter is recom mended every 200 hours of operation or when con tamination is susp...

Page 73: ...perated over sandy soil and if blades are allowed to wear a slot may be worn into the wing tip of blade Eventually a piece of the blade may break off creating a serious potential for injury or damage...

Page 74: ...one an other If they are not equal adjust accordingly The handles may or may not be even at this point NOTE The LH steering lever is non adjustable This procedure will require adjustment of the RH le...

Page 75: ...ust the tracking adjustment nuts at the front of both control rods so that 2 or 3 threads are visible then loosen the jam nuts on the ball joints at the back of the control rods Control Arm Tracking A...

Page 76: ...e engine set throttle at full speed and with the FSC in the NEUTRAL PARK position check for movement of either drive wheel if either wheel moves backward or for ward refer to Step 3 Neutral Function A...

Page 77: ...he NEUTRAL PARK position If this distance is greater than 1 8 in 3 mm the FSC Neutral Switch needs to be adjusted downward for quicker activation Step 7 Forward Speed Control Friction Adjustment FSC F...

Page 78: ...d then proceed with adjustment as follows Adjust the length of the clutch actuator link to achieve a clutch spring assembly bolt head clearance of 1 4 in to 5 16 in 6 mm to 8 mm with the clutch engage...

Page 79: ...econds after disengaging the clutch Use the following procedures to check and adjust clutch disengagement and brake action Step 1 Idler Pulley Maximum Travel Adjustment Loosen the brake band adjustmen...

Page 80: ...ssary to adjust the blade brake band nut to maintain these dimensions CLUTCH DISENGAGED CLUTCH ENGAGED 5 8 in to 3 4 in 16 mm to 19 mm Clutch Idler Pulley Travel Adjustment Blade Brake Band Blade Brak...

Page 81: ..._____________________________________________________________________________ ___________________________________________________________________________________________________________________ ______...

Page 82: ..._____________________________________________________________________________ ___________________________________________________________________________________________________________________ ______...

Page 83: ...he product alterations or failure to follow the instructions contained in the Operator s Manual for operation and maintenance B The customer shall pay any charges for making service calls and or for t...

Page 84: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 112019 PRINTED IN USA www walker com 2019 WALKER MFG CO...

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