Terex GTH-1256 AF - User Manual

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1.

Part No. 57.4400.9219

Rev C

September 2017

Serial Number Range

GTH-1256 AF

From GTH12AFM-101

Service Manual

Table of Contents

Default Chapter3
- Revision History3
- Serial Number Legend5
Safety Rules7
- Table of Contents9
Specifications15
- Machine Specifi Cations15
- Performance Specifi Cations16
- Hydraulic Specifi Cations17
- Hydraulic Components Specifi Cations18
- Function Manifold Specifi Cations19
- Air Conditioner Refrigerant Specifi Cations19
- Perkins 1104D-E44TA Engine20
- Dana Integral Gear Box21
- Dana Axle21
- Hydraulic Hose and Fitting Torque Specifi Cations22
- Torque Procedure23
Scheduled Maintenance Procedures25
- Pre-Delivery Preparation Report26
- Maintenance Inspection Report28
- Lubrication Chart29
Scheduled Maintenance Procedures , Continued30
Checklist a Procedures30
- Inspect the Manuals and Decals30
- Perform Pre-Operation Inspection31
- Perform Function Tests31
- Lubricate the Boom32
- Perform Engine Maintenance33
- Safety Devices33
- Inspect the Pre Filter34
- Perform Axle Maintenance34
- Perform 30 Day Service35
- Perform Axle Maintenance35
- Perform Gear Box Maintenance36
- Perform Axle Maintenance36
- Perform Engine Maintenance37
Checklist B Procedures38
- Inspect the Electrical Wiring38
- Gear Box Oil Level39
- Check the Exhaust System39
- Perform Axle Maintenance40
- Inspect the Tires, Wheels and Lug Nut Torque40
- Perform Hydraulic Oil Analysis41
- Check the Boom Wear Pads42
- Perform Engine Maintenance43
Scheduled Maintenance Procedures , Continued44
Checklist C Procedures44
- Perform Engine Maintenance44
- Perform Engine Maintenance45
- Perform Axle Maintenance45
- Inspect and Lubricate the Sequencing Chains46
Checklist D Procedures48
- Inspect the Forks48
- Tighten the Boom Chains49
- Replace the Hydraulic Tank Return Filter Element50
- Change Gear Box Oil51
- Perform Engine Maintenance51
- Perform Axle Maintenance52
- Replace Coolant Filter Element52
Checklist E Procedures53
- Test or Replace the Hydraulic Oil53
- Perform Engine Maintenance54
- Perform Engine Maintenance55
Repair Procedures59
Boom Components59
- Boom59
- Boom Lift Cylinder67
- Boom Extend Cylinder68
- Fork Level Slave Cylinder69
- Fork Tilt Cylinder71
- Boom Angle Proximity Switch72
Operator's Compartment73
- Machine Controls75
Fuel and Hydraulic Tanks78
- Fuel Tank78
- Hydraulic Tank79
Engines80
- Engine80
- Engine Fault Codes80
Transmission81
- Gear Box81
- Axle81
- Rear Axle Lockout Cylinder82
Hydraulic Pumps83
- Boom and Steering Function Pump83
- Auxiliary Gear Pump88
- Hydrostatic Transmission Pump91
Manifold95
- Function Manifold95
- Valve Coils98
Stabilizers100
Repair Procedures , Continued100
- Stabilizers100
Forks101
Power Plant Heaters102
Webasto Heater106
AC Unit107
Radiators108
Fuel System110
- Fuel System Prime110
Braking Circuit111
Long Term Storage Recommendation113
Fault Codes115
- Diagnostic Display116
- Engine Fault Codes - Perkins 1104D-E44TA Engine117

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Terex GTH-1256 AF Specifications

General

Brand	Terex
Model	GTH-1256 AF
Category	Forklifts
Language	English

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