Walker Mower and Blower Belt Diagram - Maintenance and Adjustments Guide

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Maintenance Instructions

ADJUSTMENTS

Use the following procedures to check and adjust clutch disengagement and brake action:

Stop Block Eccentric Adjustment - Step 1

Use the stop block attached to PTO belt tightener arm to set the bottom position of the clutch idler pul- ley in the disengaged position. The stop block should contact the chassis to stop the clutch idler pulley from moving further down in the disengaged position. If the stop block is not contacting the chassis in the disengaged position, it will be neces- sary to loosen the brake band adjustment nut. The stop block is an “eccentric” block that will allow four adjustment positions from 5/16 in. (8 mm) to 11/16 in. (17 mm).

11/16 in.

 

9/16 in.

(17 mm)

 

(14 mm)

 

 

 

7/16 in.

 

5/16 in.

(11 mm)

 

(8 mm)

 

 

 

PTO Belt Tightener Stop Block Adjustments

Clutch Idler Pulley Travel Adjustment - Step 2

Adjust the stop block to give 1 in. (25 mm) to 1-1/2 in. (38 mm) pulley travel from “clutch engaged” to “clutch disengaged”. To check and adjust the pulley travel, first engage the clutch, then measure the dis- tance the pulley moves down as the clutch is disen- gaged and the stop block contacts the frame.

NOTE: The importance of this adjustment is if the pulley travel is excessive and the bolt develops too much slack, the belt will derail when disengaged.

Stop

 

 

 

Pulley

Block

 

 

 

Travel

Engage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Disengage

 

 

 

 

 

 

 

Stop Block

 

 

1 in. to 1-1/2 in.

Contacting Frame

 

 

(25 mm to 38 mm)

 

 

 

 

 

 

Clutch Idler Pulley Travel Adjustment

Blade Brake Band Adjustment - Step 3

After the pulley travel is set, make the following ad- justment as needed:

1.Adjust the blade brake band, using the adjust- ment nut until there is a gap of approximately 1/8 in. (3 mm) between the PTO belt tightener stop block and chassis. If there are not enough threads on the brake band for adjustment, lengthen the brake actuator rod.

Blade Brake Band

Adjustment Nut

Brake Actuator

Rod

Blade Brake Band Adjustment

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Contents Please Read and Save These Instructions Foreword Table of Contents Engine Air Cleaner System Grass Buildup in Mower HousingREPLACING/REPAIRING Mower Deck Gearbox Replacement GHS Blower AssemblyGeneral Information GlossaryIdentifying Number Locations Fill In By PurchaserServicing of Engine and Drivetrain Components Specifications EngineElectrical System TransmissionTransmission Transmission FluidGround Travel Speed Blade DriveCurb Weight Approximate Tire PressureMower Deck Blade Size TypicalDrive Belts SeatComponent Identification Front View and Right Side ViewRear View and Left Side View PTO Top View Engine CompartmentDo not mow with bystanders in the area Safety InstructionsBefore Operating Operating Maintenance Safety Instructions SAFETY, CONTROL, and Instruction Decals SAFETY, CONTROL, and Instruction Decals Assembly Instructions Setup InstructionsBattery Service Wet Battery ServiceBattery Charging Battery InstallationBattery Installation Mower Deck Assembly Deck Caster Wheels InstallationDeck Caster Wheel Installation Discharge Shield Installation On Side Discharge DeckDeck Installation Mower Deck lnstallation on TractorCoupler Ring Locked Position Installing PTO Quick CouplerMower Deck Installation PTO Shaft Connection Deck Counterweight Spring Installation Machine must be shut off during this procedureDeck Leveling Deck LevelingRefer to Adjustments of Carburetor in Mainte TionsDeck Secured in TILT-UP Position Refer to Gear Axle Lubrication in MaintenanceRefer to CHECKING/SERVICING the Battery Adjust Mower Cutting HEIGHT, if RE- Quired Operating Instructions Control IDENTIFICATION, LOCATION, and FunctionEngine Choke Operating ControlsChoke and Throttle Location Engine ThrottleSteering Levers Blade Clutch PTOFront Body Latch Release Lockout Lever LocationOptional Cold Start Lever Jackshaft Drive Belt Release Optional Cold Start Lever Normal Operating PositionOperating Controls Top View from Drivers Point of View Instrument Panel Ignition Switch Ignition SwitchHourmeter VoltmeterOptional Cold Start Lever Starting the EngineDisengaged Adjusting Ground Speed and Steering Keep feet on footrests all times when the machine is movingCorrect Operator Hand Position On the Controls Engaging the MowerStopping the Machine Blade Clutch EngagedBlade Clutch Disengaged Cutting Height Adjustment Transmission LockoutLockout Lever Freewheel Position Lockout Lever Normal Operating PositionMaximum Recommended Side Slope Recommendations for MowingSide Discharge Shield in Lowest Position Recommendations for TILT-UP Deck OPERATION/TRANSPORT GHS Model Only GHS Flow and ComponentsRotating Blower Blades General InformationBlower Intake Cover Blade Rotation for GHS Mower Deck View from underneath Clogging ChecklistForward Powerfil Full Signal HornCleaning the GHS Exhaust Screen Grass Catcher Screen Removal for CleaningCatcher Door Safety Latch Using the Dump Bag 7.0 Bushel CatcherTailgate Dumping Pinch Point Spring Loaded DoorPower Dump Option Dumping Catcher into Dump BagPower Dump Components Maintenance Instructions Maintenance procedures requiring special training orService Item 100 200 Every Daily Hours Yearly 2Years Tools should be performed by a trained technicianImportant Tips for Care of the Kohler Engine Dipstick Operating Range LubricationEngine Oil Oil Drain/Oil Filter Location Grease Fitting and Oil Point LubricationIdent Lubrication Location Type Chassis and Deck Lubrication Points Mower Deck Gearbox Lubrication Mower Deck GearboxesDSD52 or DSD62 Mower Deck Lubrication Blade Spindle LubricationChecking Gearbox Oil Level Dipstick Location, Tractor PTO GearboxGear Axle Lubrication ∙ Change axle oil every 1000 hours or two 2 yearsChanging Hydrostatic Transmission Fluid Checking Hydrostatic Transmission Fluid LevelTransmission Reservoir Air Bleed Plug Location Cleaning Engine Air Cleaner System ComponentsTurbine Precleaner Donaldson Radialseal Air Cleaner PrimaryAir Cleaner Components Shown with cover being removed Air Restriction Gauge LocationAir Filter Element Replacement Kohler Air Cleaner Secondary Foam Precleaner Paper ElementAir Filter Reinstallation Engine Cooling System Engine Air Intake Screen Cooling Fin Access PanelsAir Intake System Cooling System AirflowTilt-Up Decks Non-Tilting DecksDeck Secured in UP Position Inspect the blower frequently for dirt buildup Battery Hydrostatic Transmission Cooling FinsCHECKING/SERVICING Electrolyte LevelCleaning the Terminals Mower Blade Profile For Sharpening Blade Balanced on Magnetic Wall-Mounted BalancerREPLACING/REPAIRING Spark PlugsREPLACING/REPAIRING Belt LocationsEngine PTO Drive Belt 3 Groove Power Band Engine PTO Drive Belt RemovalJackshaft Drive Belt Disengaged Jackshaft Drive Belt EngagedGHS Blower Drive Belt Assembly Engaged Hydrostatic Ground Drive Belt Assembly Disengaged Hydrostatic Ground Drive Belt Assembly EngagedFuel Filter Fuel Filter LocationFuel Shut-Off Valve and Filter Blade Overload Shear Bolts Cutting Blade Shear BoltsMower Blades Remove Skid Bar for GHS Blower Removal GHS Blower Assembly and/or Blower WheelGHS Blower Assembly Removal Pressing Blower Wheel Out of Housing PTO Switch AdjustmentsSeat Switch PTO Clutch Engaged Blade Clutch PTOClutch Engagement/Belt Tension PTO Clutch Disengaged Blade Brake Band Adjustment PTO Belt Tightener Stop Block AdjustmentsClutch Idler Pulley Travel Adjustment Brake Actuator Rod Adjustment Set Forward Travel Limit Stop StepForward Speed Control Stop Steering Lever Adjustment Steering Lever End Play Adjustment StepNeutral Function Adjustment Step Neutral Function AdjustmentStraight Ground Travel Adjustment Step Tilt-Up Deck Adjustable Stop Troubleshooting When Horn Fails to Operate Carburetor AdjustmentGHS Full Signal Horn with Grass-Pak Switch Checking the Grass-PakSwitch Adjustment When Horn Sounds at the Wrong TimeGrass-PakSwitch Vane Adjustment Circuit BreakersWiring Diagram Model MT Operator’s Notes Operator’s Notes Operator’s Notes Limited Warranty For Walker Commercial Rider Mower Sound Test Vibration Level

MT specifications

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