Rev A3, April 2018
Serial Number Range
from GTH0615H-10001 to GTH0616H-10742
from GTH0615E-10000 to GTH0616E-10999
from GTH06E-11000 to GTH06E-11749
Content:
INTRODUCTION
Important Information 
Find a Manual for this Model 
Serial Number Legend 
Section 1. SAFETY RULES
General Safety Rules 
Section 2. SPECIFICATIONS 
Machine Specifications
Performance Specifications
Hydraulic Oil Specifications
Hydraulic Component Specifications
Manifold Component Specifications
Air Conditioner Refrigerant Specifications 
Deutz TD 2.9 Engine Specifications
Dana VDT12000 Transmission Specifications
Dana 212 Drive Axle 
Hydraulic Hose and Fitting Torque Specifications 
Torque Procedure 
Section 3. REPAIR PROCEDURES 
Introduction
Boom Components 
1-1 Boom
How to Replace the Boom Wear Pads 
How to Use the Quick Attachment 
How to Replace the Retraction Chain
How to Replace the Extension Chains
How to Remove the Boom 
How to Disassemble the Boom
1-2 Boom Lift Cylinder
1-3 Boom Extension Cylinder
1-4 Fork Level Cylinder 
1-5 Hydraulic Hoses 
How to Adjust the Fork Level Cylinder and/or Auxiliary Hose 
How to Replace the Fork Level Cylinder and/or Auxiliary Hoses 
Operators Compartment
2-1 Operators Compartment 
2-2 Machine Controls
How to Remove the Steering Column 
How to Remove the Steering Wheel 
How to Remove the Steer Orbitral
How to Remove the Joystick - Models with Single Joystick 
How to Remove the Joystick - Models with Dual Joysticks
How to Remove the Brake Pedal Assembly
How to Remove the Gauge Cluster Assembly 
Fuel and Hydraulic Tanks 
3-1 Fuel and Hydraulic Tanks 
Engines 
4-1 Engines 
4-2 Engine Fault Codes 
Transmission
5-1 Transmission
Hydraulic Pump
6-1 Hydraulic Pump 
How to Test the Function Pump 
How to Remove the Function Pump
How to Install the Function 
How to Prime the Function Pump
How to Adjust the Function Pump Standby Pressure
How to Adjust the Function Pump Pressure Compensator 
Manifolds 
7-1 Primary Function Manifold Components - Models with Single Joystick 
7-2 Primary Function Manifold Components - Models with Dual Joysticks
7-3 Secondary Function Manifold Components
7-4 Auxiliary Manifold (option) and Brake Manifold Components
7-5 Valve Adjustments - Secondary Function Manifold
How to Set the Steer System Pressure
How to Set the Parking Brake System Pressure 
How to Set the Differential Lock/Joystick System Pressure 
7-6 Valve Coils 
Axle 
8-1 Axles
Section 4. FAULT CODES
Introduction
Diagnostic Display 
Diagnostic Display
Deutz TD 2.9 L4 Engine Fault Codes
Section 5. SCHEMATICS
Introduction
Fuse Panel Layout 
Electrical Component & Wire Color Abbreviation Legend 
Telematics Connector Pin Legend 
Electrical Symbol Legend
Hydraulic Symbols Legend
Harness Map Legend 
Electrical Schematics - Harness Maps
Harness Map - Control System Power Single Joystick 
Harness Map - Control System Ground Single Joystick 
Harness Map - Control System Power Dual Joystick
Harness Map - Control System Ground Dual Joystick
Harness Map - Deutz TD2.9 Engine Battery Power and Ground 
Harness Map - Options Auxiliary Hydraulics, Beacon and 3rd Gear Lockout 
Harness Map - Options Work Lights 
Harness Map - Options Road Lights 
Harness Map - Options Enclosed Cab with Heater
Harness Map - Options Enclosed Cab with HVAC 
Electrical Schematics 
Electrical Schematic - View 1 (to SN GTH06E-11749)
Electrical Schematic - View 2 (to SN GTH06E-11749)
Electrical Schematic - Deutz T4F Eng Harness
Hydraulic Schematics
Hydraulic Schematic - Single Joystick (to SN GTH06E-11749) 
Hydraulic Schematic - Dual Joysticks (to SN GTH06E-11749)
             
            
            
                Rev A3, April 2018
Serial Number Range
from GTH0615H-10001 to GTH0616H-10742
from GTH0615E-10000 to GTH0616E-10999
from GTH06E-11000 to GTH06E-11749
Content:
INTRODUCTION
Important Information 
Find a Manual for this Model 
Serial Number Legend 
Section 1. SAFETY RULES
General Safety Rules 
Section 2. SPECIFICATIONS 
Machine Specifications
Performance Specifications
Hydraulic Oil Specifications
Hydraulic Component Specifications
Manifold Component Specifications
Air Conditioner Refrigerant Specifications 
Deutz TD 2.9 Engine Specifications
Dana VDT12000 Transmission Specifications
Dana 212 Drive Axle 
Hydraulic Hose and Fitting Torque Specifications 
Torque Procedure 
Section 3. REPAIR PROCEDURES 
Introduction
Boom Components 
1-1 Boom
How to Replace the Boom Wear Pads 
How to Use the Quick Attachment 
How to Replace the Retraction Chain
How to Replace the Extension Chains
How to Remove the Boom 
How to Disassemble the Boom
1-2 Boom Lift Cylinder
1-3 Boom Extension Cylinder
1-4 Fork Level Cylinder 
1-5 Hydraulic Hoses 
How to Adjust the Fork Level Cylinder and/or Auxiliary Hose 
How to Replace the Fork Level Cylinder and/or Auxiliary Hoses 
Operators Compartment
2-1 Operators Compartment 
2-2 Machine Controls
How to Remove the Steering Column 
How to Remove the Steering Wheel 
How to Remove the Steer Orbitral
How to Remove the Joystick - Models with Single Joystick 
How to Remove the Joystick - Models with Dual Joysticks
How to Remove the Brake Pedal Assembly
How to Remove the Gauge Cluster Assembly 
Fuel and Hydraulic Tanks 
3-1 Fuel and Hydraulic Tanks 
Engines 
4-1 Engines 
4-2 Engine Fault Codes 
Transmission
5-1 Transmission
Hydraulic Pump
6-1 Hydraulic Pump 
How to Test the Function Pump 
How to Remove the Function Pump
How to Install the Function 
How to Prime the Function Pump
How to Adjust the Function Pump Standby Pressure
How to Adjust the Function Pump Pressure Compensator 
Manifolds 
7-1 Primary Function Manifold Components - Models with Single Joystick 
7-2 Primary Function Manifold Components - Models with Dual Joysticks
7-3 Secondary Function Manifold Components
7-4 Auxiliary Manifold (option) and Brake Manifold Components
7-5 Valve Adjustments - Secondary Function Manifold
How to Set the Steer System Pressure
How to Set the Parking Brake System Pressure 
How to Set the Differential Lock/Joystick System Pressure 
7-6 Valve Coils 
Axle 
8-1 Axles
Section 4. FAULT CODES
Introduction
Diagnostic Display 
Diagnostic Display
Deutz TD 2.9 L4 Engine Fault Codes
Section 5. SCHEMATICS
Introduction
Fuse Panel Layout 
Electrical Component & Wire Color Abbreviation Legend 
Telematics Connector Pin Legend 
Electrical Symbol Legend
Hydraulic Symbols Legend
Harness Map Legend 
Electrical Schematics - Harness Maps
Harness Map - Control System Power Single Joystick 
Harness Map - Control System Ground Single Joystick 
Harness Map - Control System Power Dual Joystick
Harness Map - Control System Ground Dual Joystick
Harness Map - Deutz TD2.9 Engine Battery Power and Ground 
Harness Map - Options Auxiliary Hydraulics, Beacon and 3rd Gear Lockout 
Harness Map - Options Work Lights 
Harness Map - Options Road Lights 
Harness Map - Options Enclosed Cab with Heater
Harness Map - Options Enclosed Cab with HVAC 
Electrical Schematics 
Electrical Schematic - View 1 (to SN GTH06E-11749)
Electrical Schematic - View 2 (to SN GTH06E-11749)
Electrical Schematic - Deutz T4F Eng Harness
Hydraulic Schematics
Hydraulic Schematic - Single Joystick (to SN GTH06E-11749) 
Hydraulic Schematic - Dual Joysticks (to SN GTH06E-11749)