Table of Contents

	TABLE OF CONTENTS
Safety	1
Operating	6
Replacement Parts	10
Service Intervals	11
Service Lubrication	12
Service Engine	13
Service Transmission	15
Service Mower	18
Service Electrical	23
Service Miscellaneous	26
Troubleshooting	28
Storage	31
Assembly	32
Specifications	34
Index	35
Service Record GD	36

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

OMGD10001 B2 - English

Table of Contents

Page 3

Image 3

Contents

OPERATOR’S Manual Record Identification Numbers Using Your Operator’s ManualIntroduction Special Messages Table of Contents Understanding The Machine Safety Labels Safety Emission Compliance Period Small Off-Road Gas Engines Operating SafelyAgency Category Hours Avoid Tipping Checking Mowing AreaParking Safely Rotating Blades are Dangerous Driving Safely on Public Roads Practice Safe MaintenanceKeep Riders Off Checking Wheel Bolts Fuel and fuel vapors are highly flammable and explosive Tire SafetyPrevent Fires Handling Fuel Safely Console Controls Operating Controls Daily Operating ChecklistTesting Safety Systems Operating Testing Seat Safety Switch Testing Park Brake Safety SwitchTesting Park Brake Testing Neutral Start Safety Switch To drive the machine forward Push both control levers Adjusting Cutting HeightOperating the Machine Stopping the Machine Using the Fuel Shutoff Valve Moving the Machine ManuallyPicture Note Left pump shown Replacement Parts PartsPart Numbers Service Intervals Lubrication Points Service LubricationGrease Spray Lubricant Service Engine Adjusting Carburetor Checking Spark PlugReplacing Fuel Filter Checking Transmission Oil Level Service TransmissionAdjusting Transmission Neutral Position Transmission Oil Bleeding Hydraulic System Removing and Installing Traction Drive Belt Raise drive wheels off the ground and block caster wheels Service Mower Adjusting Mower LevelAdjust Cutting Height Removing and Installing Mower Deck Drive Belts Checking and Adjusting Mower Deck Drive Belt Tension Checking for Bent Mower Blades Servicing Mower BladesBalancing Mower Blades Replacing Mower Spindle Bearings Replacing Mower Deck Idler Pulleys Service Electrical Removing and Installing the BatteryChecking Battery Electrolyte Level Cleaning Battery and Terminals Check and Adjust PTO Clutch Air GapReplacing Fuses Kohler Wiring Schematic Servicing Caster Wheel Roller Bearings Service MiscellaneousFilling Fuel Tank Checking Wheel Nuts G, unless the bearings need to be replaced Check TroubleshootingUsing Troubleshooting Chart Engine Electrical Machine OperationMower Troubleshooting Preparing Fuel and Engine for Storage Storing SafetyStorage Preparing Machine for Storage Assembly Level Mower Deck Initial AdjustmentsPTO Clutch Run-in Procedure Check Tire Pressure Specifications Belt, Replacing Mower Drive Primary IndexPage Record Service Dates Service Record GD

Great Dane GDRZ25KHE, GDRZ26KHE, GDRZ25KAE manual Table of Contents

Models: GDRZ25KAE GDRZ26KHE GDRZ25KHE