Manuals / Great Dane / Lawn and Garden / Lawn Mower

Great Dane GDRZ61-28KHE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-26KHE, GDRZ52-25KHE manual Service Mower

Models: GDRZ48-19KAE GDRZ61-25KHE GDRZ61-27KHE GDRZ48-17KAE GDRZ72-28KHE GDRZ52-25KAE GDRZ52-23KAE GDRZ52-25KHE GDRZ61-26KHE GDRZ61-28KHE GDRZ61-25KAE GDRZ72-27KHE

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SERVICE MOWER

A

B

C

H

GD F

E

MX15318

A- PTO Clutch Sheave

B- Mower Deck Drive Belt

C- Tension Idler Sheave

D- Left Spindle Sheave

E- Center Spindle Sheave

F- Idler Sheave

G- Right Spindle Sheave

H- Idler Sheave

6.Install new mower deck drive belt (B) as shown.

7.Adjust belt tension.

8.Install mower deck drive belt covers.

9.Lower foot platform.

Removing and Installing Engine-to-Deck Drive Belt - 72-Inch Mower Deck

1.Park machine safely. (See Parking Safely in the Safety section.)

2.Remove mower deck drive belt covers.

A

MX15328

3.Release engine-to-deck drive belt tension by turning the tension adjuster nut (A) counterclockwise.

A

B

C

ED

MX15329

A- PTO Clutch Sheave

B- Mower Deck Drive Belt

C- Tension Idler Sheave

D- Tension Idler Sheave

E- Center Spindle Sheave

4.Remove engine-to-deck drive belt (B).

5.Install new engine-to-deck drive belt (B) as shown.

6.Adjust drive belt tension.

7.Install mower deck drive belt covers.

8.Lower foot platform.

Service Mower - 46

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Great Dane GDRZ61-28KHE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-26KHE, GDRZ52-25KHE, GDRZ52-23KAE, GDRZ52-25KAE manual Service Mower

Contents

GDRZ61-27KHE, GDRZ61-28KHE, GDRZ72-27KHE, GDRZ72-28KHE GDRZ48-17KAE, GDRZ48-19KAE, GDRZ52-23KAE, GDRZ52-25KAE, GDRZ52-25KHEGDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-26KHE OPERATOR’S MANUALSpecial Messages Using Your Operator’s ManualINTRODUCTION PRODUCT IDENTIFICATION Record Identification NumbersOMTCU17095 J2 - English TABLE OF CONTENTSTable of Contents DANGER SAFETYUnderstanding The Machine Safety Labels DANGERDANGER DANGER EXPLOSIVE GASES / POISON CAUSES SEVERE BURNSSAFETY M131748, MX15340Emission Control System Certification Label components can only be adjusted by EPA and/or CARBauthorized service centers. Contact your Great Dane CAUTION HELP AVOID INJURYSAFETY Operator Training RequiredOperating Safely Parking Safely Using a Spark ArrestorChecking Mowing Area Rotating Blades are DangerousChecking Wheel Bolts Keep Riders OffAvoid Tipping SAFETYDriving Safely on Public Roads Practice Safe MaintenanceWear Appropriate Clothing SAFETYPrevent Fires Tire SafetyAvoid High-Pressure Fluids SAFETYSAFETY Handling Fuel SafelyHandling Waste Products and Chemicals Fuel and fuel vapors are highly flammableOPERATING Daily Operating ChecklistTesting Safety Systems Operator Station ControlsTesting Neutral Start Switch Testing PTO SwitchTesting Park Brake Switch Testing Seat SwitchMounting and Dismounting Machine Safely Adjusting SeatAdjusting Mower Deck Cutting Height Raising and Lowering Operator SeatOPERATING Adjusting Mower Deck Anti-Scalp WheelsUsing the Park Brake NOTE Machine will only start if the following conditions exist Using the Key SwitchUsing the PTO Park brake is locked PTO is disengagedUsing the Choke Carbureted Engines Only Using the Throttle LeverUsing the Hourmeter Using the Motion Control LeversNeutral Position - Optional “Over the Lap” Levers OPERATINGNeutral Detent Position - Standard “Center Steer” Levers Neutral Lock Position - Optional “Over the Lap” LeversGentle Right Turn OPERATINGForward ReverseStarting the Engine OPERATINGOPERATING Engaging MowerStopping the Engine Mowing Tips Using Hydraulic Pump Free-Wheel ValvesTransporting Machine NOTE The pumps are located under the machine, behind the mower deckAvoid Damage to Plastic and Painted Surfaces Mowing Travel SpeedsDismounting to Inspect Mower OPERATINGPart Numbers REPLACEMENT PARTSParts Every 50 Hours or Weekly Whichever Comes First SERVICE INTERVALSServicing Your Machine Break-In After First 8 Hours of OperationSpray Lubricant SERVICE LUBRICATIONGrease Lubrication PointsPicture Note 48-, 52- and 61-inch mower decks NOTE Use spray lubricant to lubricate the following itemsSERVICE LUBRICATION Picture Note 72-inch mower deckMake sure engine is cool when checking engine oil level SERVICE ENGINEEngine Warranty Maintenance Statement Avoid FumesCleaning Engine Oil Cooler - Kohler Engines Checking and Cleaning Air Filter ElementsCleaning Engine Air Intake Screen and Fan SERVICE ENGINEReplacing Fuel Filter - Carbureted Engines Adjusting Carburetor - Carbureted EnginesChecking Spark Plug Replacing Fuel Filter - Fuel Injected EnginesSERVICE ENGINE Troubleshooting the Kohler Electronic Fuel Injection SystemPriming Fuel Injectors - Fuel Injected Engines MX15301SERVICE ENGINE Checking Hydraulic Oil Level SERVICE TRANSMISSIONHydraulic Oil Changing Hydraulic Oil and FilterSERVICE TRANSMISSION Removing and Installing Traction Drive BeltCleaning Hydraulic Pump Cooling Fins Neutral Creep Adjustment Checking and Adjusting Motion Control LinkagesSERVICE TRANSMISSION Check Neutral CreepA B DC SERVICE TRANSMISSIONMaximum Speed Drift Adjustment A - Hydraulic Reservoir B - Oil Filter C - Right Hydraulic Pump Hydraulic System Hose RoutingSERVICE TRANSMISSION D - Right Wheel Motor E - Left Wheel Motor F - Left Hydraulic PumpHydraulic System Schematic SERVICE TRANSMISSIONServicing Front Caster Wheel Roller Bearings - Chariot SERVICE STEERING & BRAKESRemove and Install Front Caster Wheels Servicing Front Caster Wheel Roller Bearings - Chariot LXSERVICE STEERING & BRAKES Adjusting Front Caster Spindle BearingServicing Caster Spindle Bearings MX15352 SERVICE STEERING & BRAKESMX15325 MX13126Adjusting Park Brake SERVICE STEERING & BRAKESRemoving and Installing Mower Deck Belt Shields SERVICE MOWERRemoving and Installing Mower Deck Foot Plate Use a short ruler or a leveling gauge to check the mower blade level Leveling Mower DeckNOTE Mower deck anti-scalp wheels should not contact the ground SERVICE MOWERChecking and Adjusting Cutting Height SERVICE MOWERBelt Tension - 48-, 52- and 61-Inch Mower Deck Adjusting Deck Lift Assist Spring TensionChecking and Adjusting Mower Deck Drive SERVICE MOWERSERVICE MOWER SERVICE MOWER NOTE Only replace blades. Never straighten or weld them Removing and Installing Spindle Drive Belt - 72-Inch Mower DeckChecking and Replacing Mower Blades SERVICE MOWERReplacing Mower Spindle Bearings - 48-, 52- and 61-Inch Mower Decks Sharpening BladesBalancing Blades SERVICE MOWERRight and Left Spindles A Remove nut B, spacer C and pulley D Replacing Mower Spindle Bearings - 72-Inch Mower DeckSERVICE MOWER SERVICE MOWER Cleaning Battery and Terminals SERVICE ELECTRICALRemoving and Installing the Battery Replacing Fuses - Fuel Injected Engines Using Booster BatteryReplacing Fuse - Carbureted Engines SERVICE ELECTRICALMX15337 Burnishing the PTO ClutchSERVICE ELECTRICAL MX15338 Wiring Schematic - Carbureted EnginesSERVICE ELECTRICAL SERVICE ELECTRICAL Wiring Schematic - 26 HP Fuel InjectedEngine MX15345Engine Wiring Schematic - 28 HP Fuel InjectedSERVICE ELECTRICAL MX15356Checking Tire Pressure SERVICE MISCELLANEOUSFilling Fuel Tank NOTE Capacity of fuel tank is 30.2 L 8 galSERVICE MISCELLANEOUS Remove and Install Rear Drive WheelsCleaning and Repairing Metal Surfaces MX15322Engine TROUBLESHOOTINGUsing Troubleshooting Chart CheckTROUBLESHOOTING CheckElectrical System TROUBLESHOOTINGSteering MachinePark Brake TROUBLESHOOTINGMower Deck TROUBLESHOOTINGSTORAGE Storing SafetyNOTE The stored battery should be recharged every 90 days Preparing Machine for StorageBag of Parts ASSEMBLYPrepare for Assembly Check Hydraulic Oil LevelCheck Safety System Install Motion Control LeversInstall Seat Lubricate MachineInitial Adjustments ASSEMBLYNet Weight - Chariot LX With Mower Deck and Without Fuel SPECIFICATIONSBattery Dimensions - Chariot72-Inch Mower Deck 52-Inch Mower Deck61-Inch Mower Deck SPECIFICATIONSINDEX INDEX SERVICE RECORD GD Record Service Dates