GDRZ61-27KHE, GDRZ61-28KHE, GDRZ72-27KHE, GDRZ72-28KHE
GDRZ48-17KAE, GDRZ48-19KAE, GDRZ52-23KAE, GDRZ52-25KAE, GDRZ52-25KHE
GDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-25KAE, GDRZ61-25KHE, GDRZ61-26KHE
OPERATOR’S MANUAL
Special Messages
Using Your Operator’s Manual
INTRODUCTION
PRODUCT IDENTIFICATION
Record Identification Numbers
OMTCU17095 J2 - English
TABLE OF CONTENTS
Table of Contents
DANGER
SAFETY
Understanding The Machine Safety Labels
DANGER
DANGER
DANGER EXPLOSIVE GASES / POISON CAUSES SEVERE BURNS
SAFETY
M131748, MX15340
Emission Control System Certification Label
components can only be adjusted by EPA and/or CARB
authorized service centers. Contact your Great Dane
CAUTION HELP AVOID INJURY
SAFETY
Operator Training Required
Operating Safely
Parking Safely
Using a Spark Arrestor
Checking Mowing Area
Rotating Blades are Dangerous
Checking Wheel Bolts
Keep Riders Off
Avoid Tipping
SAFETY
Driving Safely on Public Roads
Practice Safe Maintenance
Wear Appropriate Clothing
SAFETY
Prevent Fires
Tire Safety
Avoid High-Pressure Fluids
SAFETY
SAFETY
Handling Fuel Safely
Handling Waste Products and Chemicals
Fuel and fuel vapors are highly flammable
OPERATING
Daily Operating Checklist
Testing Safety Systems
Operator Station Controls
Testing Neutral Start Switch
Testing PTO Switch
Testing Park Brake Switch
Testing Seat Switch
Mounting and Dismounting Machine Safely
Adjusting Seat
Adjusting Mower Deck Cutting Height
Raising and Lowering Operator Seat
OPERATING
Adjusting Mower Deck Anti-Scalp Wheels
Using the Park Brake
NOTE Machine will only start if the following conditions exist
Using the Key Switch
Using the PTO
Park brake is locked PTO is disengaged
Using the Choke Carbureted Engines Only
Using the Throttle Lever
Using the Hourmeter
Using the Motion Control Levers
Neutral Position - Optional “Over the Lap” Levers
OPERATING
Neutral Detent Position - Standard “Center Steer” Levers
Neutral Lock Position - Optional “Over the Lap” Levers
Gentle Right Turn
OPERATING
Forward
Reverse
Starting the Engine
OPERATING
OPERATING
Engaging Mower
Stopping the Engine
Mowing Tips
Using Hydraulic Pump Free-Wheel Valves
Transporting Machine
NOTE The pumps are located under the machine, behind the mower deck
Avoid Damage to Plastic and Painted Surfaces
Mowing Travel Speeds
Dismounting to Inspect Mower
OPERATING
Part Numbers
REPLACEMENT PARTS
Parts
Every 50 Hours or Weekly Whichever Comes First
SERVICE INTERVALS
Servicing Your Machine
Break-In After First 8 Hours of Operation
Spray Lubricant
SERVICE LUBRICATION
Grease
Lubrication Points
Picture Note 48-, 52- and 61-inch mower decks
NOTE Use spray lubricant to lubricate the following items
SERVICE LUBRICATION
Picture Note 72-inch mower deck
Make sure engine is cool when checking engine oil level
SERVICE ENGINE
Engine Warranty Maintenance Statement
Avoid Fumes
Cleaning Engine Oil Cooler - Kohler Engines
Checking and Cleaning Air Filter Elements
Cleaning Engine Air Intake Screen and Fan
SERVICE ENGINE
Replacing Fuel Filter - Carbureted Engines
Adjusting Carburetor - Carbureted Engines
Checking Spark Plug
Replacing Fuel Filter - Fuel Injected Engines
SERVICE ENGINE
Troubleshooting the Kohler Electronic Fuel Injection System
Priming Fuel Injectors - Fuel Injected Engines
MX15301
SERVICE ENGINE
Checking Hydraulic Oil Level
SERVICE TRANSMISSION
Hydraulic Oil
Changing Hydraulic Oil and Filter
SERVICE TRANSMISSION
Removing and Installing Traction Drive Belt
Cleaning Hydraulic Pump Cooling Fins
Neutral Creep Adjustment
Checking and Adjusting Motion Control Linkages
SERVICE TRANSMISSION
Check Neutral Creep
A B DC
SERVICE TRANSMISSION
Maximum Speed Drift Adjustment
A - Hydraulic Reservoir B - Oil Filter C - Right Hydraulic Pump
Hydraulic System Hose Routing
SERVICE TRANSMISSION
D - Right Wheel Motor E - Left Wheel Motor F - Left Hydraulic Pump
Hydraulic System Schematic
SERVICE TRANSMISSION
Servicing Front Caster Wheel Roller Bearings - Chariot
SERVICE STEERING & BRAKES
Remove and Install Front Caster Wheels
Servicing Front Caster Wheel Roller Bearings - Chariot LX
SERVICE STEERING & BRAKES
Adjusting Front Caster Spindle Bearing
Servicing Caster Spindle Bearings
MX15352
SERVICE STEERING & BRAKES
MX15325
MX13126
Adjusting Park Brake
SERVICE STEERING & BRAKES
Removing and Installing Mower Deck Belt Shields
SERVICE MOWER
Removing and Installing Mower Deck Foot Plate
Use a short ruler or a leveling gauge to check the mower blade level
Leveling Mower Deck
NOTE Mower deck anti-scalp wheels should not contact the ground
SERVICE MOWER
Checking and Adjusting Cutting Height
SERVICE MOWER
Belt Tension - 48-, 52- and 61-Inch Mower Deck
Adjusting Deck Lift Assist Spring Tension
Checking and Adjusting Mower Deck Drive
SERVICE MOWER
SERVICE MOWER
SERVICE MOWER
NOTE Only replace blades. Never straighten or weld them
Removing and Installing Spindle Drive Belt - 72-Inch Mower Deck
Checking and Replacing Mower Blades
SERVICE MOWER
Replacing Mower Spindle Bearings - 48-, 52- and 61-Inch Mower Decks
Sharpening Blades
Balancing Blades
SERVICE MOWER
Right and Left Spindles A Remove nut B, spacer C and pulley D
Replacing Mower Spindle Bearings - 72-Inch Mower Deck
SERVICE MOWER
SERVICE MOWER
Cleaning Battery and Terminals
SERVICE ELECTRICAL
Removing and Installing the Battery
Replacing Fuses - Fuel Injected Engines
Using Booster Battery
Replacing Fuse - Carbureted Engines
SERVICE ELECTRICAL
MX15337
Burnishing the PTO Clutch
SERVICE ELECTRICAL
MX15338
Wiring Schematic - Carbureted Engines
SERVICE ELECTRICAL
SERVICE ELECTRICAL
Wiring Schematic - 26 HP Fuel Injected
Engine
MX15345
Engine
Wiring Schematic - 28 HP Fuel Injected
SERVICE ELECTRICAL
MX15356
Checking Tire Pressure
SERVICE MISCELLANEOUS
Filling Fuel Tank
NOTE Capacity of fuel tank is 30.2 L 8 gal
SERVICE MISCELLANEOUS
Remove and Install Rear Drive Wheels
Cleaning and Repairing Metal Surfaces
MX15322
Engine
TROUBLESHOOTING
Using Troubleshooting Chart
Check
TROUBLESHOOTING
Check
Electrical System
TROUBLESHOOTING
Steering
Machine
Park Brake
TROUBLESHOOTING
Mower Deck
TROUBLESHOOTING
STORAGE
Storing Safety
NOTE The stored battery should be recharged every 90 days
Preparing Machine for Storage
Bag of Parts
ASSEMBLY
Prepare for Assembly
Check Hydraulic Oil Level
Check Safety System
Install Motion Control Levers
Install Seat
Lubricate Machine
Initial Adjustments
ASSEMBLY
Net Weight - Chariot LX With Mower Deck and Without Fuel
SPECIFICATIONS
Battery
Dimensions - Chariot
72-Inch Mower Deck
52-Inch Mower Deck
61-Inch Mower Deck
SPECIFICATIONS
INDEX
INDEX
SERVICE RECORD GD
Record Service Dates