Terex GTH-1256 AF Service Manual 57.4400.9219 – PDF DOWNLOAD
Language : English
Pages : 134
Downloadable : Yes
File Type : PDF
Table of Contents:
Terex GTH-1256 AF Service Manual 57.4400.9219 – PDF DOWNLOAD
Introduction
Important Information ii
Revision History iii
Serial Number Legend v
Section 1 Safety Rules
General Safety Rules vii
Section 2 Specifications
Machine Specifications 2 – 1
Performance Specifications 2 – 2
Hydraulic Specifications 2 – 3
Hydraulic Components Specifications 2 – 4
Function Manifold Specifications 2 – 5
Air Conditioner Refrigerant Specifications 2 – 5
Perkins 1104D-E44TA Engine 2 – 6
Dana Integral Gear Box 2 – 7
Dana Axle 2 – 7
Hydraulic Hose and Fitting Torque Specifications 2 – 8
Torque Procedure 2 – 9
SAE and Metric Fasteners Torque Charts 2 – 10
Section 3 Scheduled Maintenance Procedures
Introduction 3 – 1
Pre-delivery Preparation Report 3 – 3
Maintenance Inspection Report 3 – 4
Lubrication Chart 3 – 5
Section 3 Scheduled Maintenance Procedures, continued
Checklist A Procedures
A-1 Inspect the Manuals and Decals 3 – 6
A-2 Perform Pre-operation Inspection 3 – 7
A-3 Perform Function Tests 3 – 7
A-4 Lubricate the Boom 3 – 8
A-5 Perform Engine Maintenance 3 – 9
A-6 Safety Devices 3 – 9
A-7 Inspect the Pre Filter 3 – 10
A-8 Perform Axle Maintenance 3 – 10
A-9 Perform 30 Day Service 3 – 11
A-10 Perform Axle Maintenance 3 – 11
A-11 Perform Gear Box Maintenance 3 – 12
A-12 Perform Axle Maintenance 3 – 12
A-13 Perform Engine Maintenance 3 – 13
A-14 Perform Engine Maintenance 3 – 13
Checklist B Procedures
B-1 Inspect the Electrical Wiring 3 – 14
B-2 Gear Box Oil Level 3 – 15
B-3 Check the Exhaust System 3 – 15
B-4 Perform Axle Maintenance 3 – 16
B-5 Inspect the Tires, Wheels and Lug Nut Torque 3 – 16
B-6 Perform Hydraulic Oil Analysis 3 – 17
B-7 Check the Boom Wear Pads 3 – 18
B-8 Perform Engine Maintenance 3 – 19
Section 3 Scheduled Maintenance Procedures, continued
Checklist C Procedures
C-1 Perform Engine Maintenance 3 – 20
C-2 Perform Engine Maintenance 3 – 20
C-3 Perform Engine Maintenance 3 – 21
C-4 Perform Axle Maintenance 3 – 21
C-5 Inspect and Lubricate the Sequencing Chains 3 – 22
Checklist D Procedures
D-1 Inspect the Forks 3 – 24
D-2 Tighten the Boom Chains 3 – 25
D-3 Replace the Hydraulic Tank Return Filter Element 3 – 26
D-4 Change Gear Box Oil 3 – 27
D-5 Perform Engine Maintenance 3 – 27
D-6 Perform Axle Maintenance 3 – 28
D-7 Replace Coolant Filter Element 3 – 28
Checklist E Procedures
E-1 Test or Replace the Hydraulic Oil 3 – 29
E-2 Perform Engine Maintenance 3 – 30
E-3 Perform Engine Maintenance 3 – 30
E-4 Perform Engine Maintenance 3 – 31
E-5 Perform Engine Maintenance 3 – 31
Section 4 Repair Procedures
Introduction 4 – 1
Boom Components
1-1 Boom 4 – 3
1-2 Boom Lift Cylinder 4 – 11
1-3 Boom Extend Cylinder 4 – 12
1-4 Fork Level Slave Cylinder 4 – 13
1-5 Fork Tilt Cylinder 4 – 15
1-6 Boom Angle Proximity switch 4 – 16
Operator’s compartment
2-1 Operator’s Compartment 4 – 17
2-2 Machine Controls 4 – 19
Fuel and Hydraulic Tanks
3-1 Fuel tank 4 – 22
3-2 Hydraulic tank 4 – 23
Engines
4-1 Engine 4 – 24
4-2 Engine Fault Codes 4 – 24
Transmission
5-1 Gear Box 4 – 25
5-2 Axle 4 – 25
5-3 Rear Axle Lockout Cylinder 4 – 26
Hydraulic pumps
6-1 Boom and Steering Function Pump 4 – 27
6-2 Auxiliary Gear Pump 4 – 32
6-3 Hydrostatic Transmission Pump 4 – 35
Manifold
7-1 Function Manifold 4 – 39
7-2 Valve coils 4 – 42
Section 4 Repair Procedures, continued
Stabilizers
8-1 Stabilizers 4 – 44
Forks
9-1 Forks 4 – 45
Power Plant Heaters
10-1 Power Plant Heaters 4 – 46
Webasto Heater
11-1 Webasto Heater 4 – 50
AC Unit
12-1 AC Unit 4 – 51
Radiators
13-1 Radiators 4 – 52
Fuel System
14-1 Fuel System Prime 4 – 54
Braking Circuit
15-1 Braking circuit 4 – 55
Section 5 Long Term Storage Recommendation
Introduction 5 – 1
Section 6 Fault Codes
Introduction 6 – 1
Diagnostic Display 6 – 2
Engine Fault Codes – Perkins 1104D-E44TA Engine 6 – 3
Section 7 Schematics
Introduction 7 – 1
Electrical and Hydraulic Symbol Legends 7 – 2
Electrical Schematic 7 – 3
Hydraulic Schematic 7 – 15
S.S 04/24