Great Dane GDRZ25KAE, GDRZ25KHE, GDRZ26KHE manual Service Intervals

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SERVICE INTERVALS

Servicing Your Machine

IMPORTANT: Avoid damage! Operating in extreme conditions may require more frequent service intervals:

Engine components may become dirty or plugged when operating in extreme heat, dust or other severe conditions.

Engine oil and spark plugs may lose efficiency if vehicle is operated constantly at slow or low engine speeds or with frequent short trips.

Please use the following timetables to perform routine maintenance on your machine.

NOTE: The following initial break-in items must be performed and verified to validate the warranty (dealer service invoice accepted).

Break-In (After First 8 Hours of Operation)

Change engine oil and filter.

Check drive belt tension.

Check transmission neutral adjustment.

Check wheel nut torque.

Break-In (After First 24 Hours of Operation)

Check drive belt tension.

Break-In (After First 40 Hours of Operation)

Change transmission oil and filter.

Every 40 Hours

Change engine oil.

Grease HOC shafts (five places).

Grease caster wheel pivot bearings (two places). Grease caster wheel bearings (two places). Grease mower deck thrust arms (two places).

Grease mower deck spindle bearings (three places) if equipped.

Remove debris from the underside of the mower deck. Check drive belt tension.

Check tire pressure.

Check battery electrolyte level.

Clean engine air filter.

Check wheel nut torque.

Every 160 Hours

Clean and inspect spark plugs.

Change engine oil filter.

Check transmission oil level.

Lubricate mower deck idler pulley pivots (three places). Lubricate seat platform hinges (two places)

Lubricate pump control arms (five places). Lubricate control lever pivot shafts (two places). Lubricate throttle cable.

Lubricate choke control cable.

Every 500 Hours

Change transmission oil and filter.

Annually

Replace all spindle bearings (6).

Replace all mower deck idler pulleys (3).

Remove caster wheel roller bearings, clean and lubricate. Replace drive belts. Run-in and adjust tension.

Clean power unit.

Replace hydraulic oil filter.

Check all bolts and nuts; tighten as needed. Remove battery. Clean battery and holder. Replace spark plugs.

Service Intervals - 11

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Contents OPERATOR’S Manual Special Messages Using Your Operator’s ManualIntroduction Record Identification NumbersTable of Contents Safety Understanding The Machine Safety LabelsAgency Category Hours Emission Compliance Period Small Off-Road Gas EnginesOperating Safely Rotating Blades are Dangerous Checking Mowing AreaParking Safely Avoid TippingChecking Wheel Bolts Practice Safe MaintenanceKeep Riders Off Driving Safely on Public RoadsHandling Fuel Safely Tire SafetyPrevent Fires Fuel and fuel vapors are highly flammable and explosiveOperating Daily Operating ChecklistTesting Safety Systems Console Controls Operating ControlsTesting Neutral Start Safety Switch Testing Park Brake Safety SwitchTesting Park Brake Testing Seat Safety SwitchStopping the Machine Adjusting Cutting HeightOperating the Machine To drive the machine forward Push both control leversPicture Note Left pump shown Using the Fuel Shutoff ValveMoving the Machine Manually Part Numbers Replacement PartsParts Service Intervals Spray Lubricant Service LubricationGrease Lubrication PointsService Engine Replacing Fuel Filter Adjusting CarburetorChecking Spark Plug Transmission Oil Service TransmissionAdjusting Transmission Neutral Position Checking Transmission Oil LevelRemoving and Installing Traction Drive Belt Bleeding Hydraulic SystemRaise drive wheels off the ground and block caster wheels Adjust Cutting Height Service MowerAdjusting Mower Level Checking and Adjusting Mower Deck Drive Belt Tension Removing and Installing Mower Deck Drive BeltsBalancing Mower Blades Checking for Bent Mower BladesServicing Mower Blades Replacing Mower Spindle Bearings Replacing Mower Deck Idler Pulleys Checking Battery Electrolyte Level Service ElectricalRemoving and Installing the Battery Replacing Fuses Cleaning Battery and TerminalsCheck and Adjust PTO Clutch Air Gap Kohler Wiring Schematic Checking Wheel Nuts Service MiscellaneousFilling Fuel Tank Servicing Caster Wheel Roller BearingsG, unless the bearings need to be replaced Engine TroubleshootingUsing Troubleshooting Chart CheckMower ElectricalMachine Operation Troubleshooting Preparing Machine for Storage Storing SafetyStorage Preparing Fuel and Engine for StorageAssembly Check Tire Pressure Initial AdjustmentsPTO Clutch Run-in Procedure Level Mower DeckSpecifications Index Belt, Replacing Mower Drive PrimaryPage Service Record GD Record Service Dates