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