Manuals / Great Dane / Lawn and Garden / Lawn Mower

Great Dane GDRZ52-25KHE manual Table Of Contents, Table of Contents, OMTCU17095 J2 - English

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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	TABLE OF CONTENTS
Safety	1
Operating	10
Replacement Parts	22
Service Intervals	23
Service Lubrication	24
Service Engine	26
Service Transmission	31
Service Steering & Brakes	37
Service Mower	41
Service Electrical	51
Service Miscellaneous	57
Troubleshooting	59
Storage	64
Assembly	65
Specifications	68
Index	70
Service Record GD	71

All information, illustrations and

specifications in this manual are based on the latest information at the time of publication. The right is reserved to make changes at any time without notice.

Deere & Co.

John Deere Worldwide Commercial and

Consumer Equipment Division

Previous Editions

OMTCU17095 J2 - English

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Contents

GDRZ48-17KAE, GDRZ48-19KAE, GDRZ52-23KAE, GDRZ52-25KAE, GDRZ52-25KHE GDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-26KHEGDRZ61-27KHE, GDRZ61-28KHE, GDRZ72-27KHE, GDRZ72-28KHE OPERATOR’S MANUALINTRODUCTION Using Your Operator’s ManualSpecial Messages PRODUCT IDENTIFICATION Record Identification NumbersTable of Contents TABLE OF CONTENTSOMTCU17095 J2 - English SAFETY Understanding The Machine Safety LabelsDANGER DANGERDANGER EXPLOSIVE GASES / POISON CAUSES SEVERE BURNS SAFETYDANGER M131748, MX15340components can only be adjusted by EPA and/or CARB authorized service centers. Contact your Great DaneEmission Control System Certification Label CAUTION HELP AVOID INJURYOperating Safely Operator Training RequiredSAFETY Using a Spark Arrestor Checking Mowing AreaParking Safely Rotating Blades are DangerousKeep Riders Off Avoid TippingChecking Wheel Bolts SAFETYPractice Safe Maintenance Wear Appropriate ClothingDriving Safely on Public Roads SAFETYTire Safety Avoid High-Pressure FluidsPrevent Fires SAFETYHandling Fuel Safely Handling Waste Products and ChemicalsSAFETY Fuel and fuel vapors are highly flammableDaily Operating Checklist Testing Safety SystemsOPERATING Operator Station ControlsTesting PTO Switch Testing Park Brake SwitchTesting Neutral Start Switch Testing Seat SwitchAdjusting Seat Adjusting Mower Deck Cutting HeightMounting and Dismounting Machine Safely Raising and Lowering Operator SeatUsing the Park Brake Adjusting Mower Deck Anti-Scalp WheelsOPERATING Using the Key Switch Using the PTONOTE Machine will only start if the following conditions exist Park brake is locked PTO is disengagedUsing the Throttle Lever Using the HourmeterUsing the Choke Carbureted Engines Only Using the Motion Control LeversOPERATING Neutral Detent Position - Standard “Center Steer” LeversNeutral Position - Optional “Over the Lap” Levers Neutral Lock Position - Optional “Over the Lap” LeversOPERATING ForwardGentle Right Turn ReverseStarting the Engine OPERATINGStopping the Engine Engaging MowerOPERATING Using Hydraulic Pump Free-Wheel Valves Transporting MachineMowing Tips NOTE The pumps are located under the machine, behind the mower deckMowing Travel Speeds Dismounting to Inspect MowerAvoid Damage to Plastic and Painted Surfaces OPERATINGParts REPLACEMENT PARTSPart Numbers SERVICE INTERVALS Servicing Your MachineEvery 50 Hours or Weekly Whichever Comes First Break-In After First 8 Hours of OperationSERVICE LUBRICATION GreaseSpray Lubricant Lubrication PointsNOTE Use spray lubricant to lubricate the following items SERVICE LUBRICATIONPicture Note 48-, 52- and 61-inch mower decks Picture Note 72-inch mower deckSERVICE ENGINE Engine Warranty Maintenance StatementMake sure engine is cool when checking engine oil level Avoid FumesChecking and Cleaning Air Filter Elements Cleaning Engine Air Intake Screen and FanCleaning Engine Oil Cooler - Kohler Engines SERVICE ENGINEAdjusting Carburetor - Carbureted Engines Checking Spark PlugReplacing Fuel Filter - Carbureted Engines Replacing Fuel Filter - Fuel Injected EnginesTroubleshooting the Kohler Electronic Fuel Injection System Priming Fuel Injectors - Fuel Injected EnginesSERVICE ENGINE MX15301SERVICE ENGINE SERVICE TRANSMISSION Hydraulic OilChecking Hydraulic Oil Level Changing Hydraulic Oil and FilterCleaning Hydraulic Pump Cooling Fins Removing and Installing Traction Drive BeltSERVICE TRANSMISSION Checking and Adjusting Motion Control Linkages SERVICE TRANSMISSIONNeutral Creep Adjustment Check Neutral CreepMaximum Speed Drift Adjustment SERVICE TRANSMISSIONA B DC Hydraulic System Hose Routing SERVICE TRANSMISSIONA - Hydraulic Reservoir B - Oil Filter C - Right Hydraulic Pump D - Right Wheel Motor E - Left Wheel Motor F - Left Hydraulic PumpHydraulic System Schematic SERVICE TRANSMISSIONSERVICE STEERING & BRAKES Remove and Install Front Caster WheelsServicing Front Caster Wheel Roller Bearings - Chariot Servicing Front Caster Wheel Roller Bearings - Chariot LXServicing Caster Spindle Bearings Adjusting Front Caster Spindle BearingSERVICE STEERING & BRAKES SERVICE STEERING & BRAKES MX15325MX15352 MX13126Adjusting Park Brake SERVICE STEERING & BRAKESRemoving and Installing Mower Deck Foot Plate SERVICE MOWERRemoving and Installing Mower Deck Belt Shields Leveling Mower Deck NOTE Mower deck anti-scalp wheels should not contact the groundUse a short ruler or a leveling gauge to check the mower blade level SERVICE MOWERChecking and Adjusting Cutting Height SERVICE MOWERAdjusting Deck Lift Assist Spring Tension Checking and Adjusting Mower Deck DriveBelt Tension - 48-, 52- and 61-Inch Mower Deck SERVICE MOWERSERVICE MOWER SERVICE MOWER Removing and Installing Spindle Drive Belt - 72-Inch Mower Deck Checking and Replacing Mower BladesNOTE Only replace blades. Never straighten or weld them SERVICE MOWERSharpening Blades Balancing BladesReplacing Mower Spindle Bearings - 48-, 52- and 61-Inch Mower Decks SERVICE MOWERSERVICE MOWER Replacing Mower Spindle Bearings - 72-Inch Mower DeckRight and Left Spindles A Remove nut B, spacer C and pulley D SERVICE MOWER Removing and Installing the Battery SERVICE ELECTRICALCleaning Battery and Terminals Using Booster Battery Replacing Fuse - Carbureted EnginesReplacing Fuses - Fuel Injected Engines SERVICE ELECTRICALSERVICE ELECTRICAL Burnishing the PTO ClutchMX15337 SERVICE ELECTRICAL Wiring Schematic - Carbureted EnginesMX15338 Wiring Schematic - 26 HP Fuel Injected EngineSERVICE ELECTRICAL MX15345Wiring Schematic - 28 HP Fuel Injected SERVICE ELECTRICALEngine MX15356SERVICE MISCELLANEOUS Filling Fuel TankChecking Tire Pressure NOTE Capacity of fuel tank is 30.2 L 8 galRemove and Install Rear Drive Wheels Cleaning and Repairing Metal SurfacesSERVICE MISCELLANEOUS MX15322TROUBLESHOOTING Using Troubleshooting ChartEngine CheckTROUBLESHOOTING CheckElectrical System TROUBLESHOOTINGMachine Park BrakeSteering TROUBLESHOOTINGMower Deck TROUBLESHOOTINGStoring Safety NOTE The stored battery should be recharged every 90 daysSTORAGE Preparing Machine for StorageASSEMBLY Prepare for AssemblyBag of Parts Check Hydraulic Oil LevelInstall Motion Control Levers Install SeatCheck Safety System Lubricate MachineInitial Adjustments ASSEMBLYSPECIFICATIONS BatteryNet Weight - Chariot LX With Mower Deck and Without Fuel Dimensions - Chariot52-Inch Mower Deck 61-Inch Mower Deck72-Inch Mower Deck SPECIFICATIONSINDEX INDEX SERVICE RECORD GD Record Service Dates