Timberjack 1270C Harvester Service Repair Manual

To assist the operator in becoming familiar with the many features of this machine, and thereby become proficient in the operation and periodic maintenance procedures, this manual is provided with detailed operating and service instructions as well as safety information and equipment data.Throughout this manual, references are made to the front, rear, left, and right side of the machine. Consider the right side, left side, front, and rear, of the Forwarder from a seated position in the operator’s seat with the engine being at the front.

Model: Timberjack 1270C Harvester

Type: Harvester

Language: English

Format: PDF

Timberjack 1270C Harvester Repair Service Manual – 366 Pages

Timberjack 1270C Manual Table of Content

0000 General

Service Tools

1000 Power Unit

1100 Engine Mounting – Removal / Installation

1200 Fuel System

1300 Drive Coupling

1400 Exhaust System

1500 Intake System

1600 Cooling System

Cummins Shop Manual 1991 and 1994 Certification Levels –

See Bulletin 3666017-01

Cummins Troubleshooting and Repair Manual 1991 and 1994

Certification Levels – See Bulletin 3666003-01

Timberjack 1270C Harvester Service Repair Manual

2000 Hydraulic System

2100 Hydraulic Tank and Filters

2200 Working Hydraulics

2210 Working Pump – Rexroth A11VO Repair Instructions

2230 How to Check and Adjust Pressures

2240 Auxiliary Valve

2300 Hydrostatic Drive System

2310 How to Check and Adjust the Hydraulic System

Drive Pump – Rexroth A4VG Repair Instructions

Drive Motor – Rexroth A6VM Repair Instructions

2400 Valves

2410 Crane Control Valve

VOAC K170LS Directional control valve

2600 Brake Hydraulics

Appendix 1 – Hydraulic Component Symbols

Appendix 2 – Hydraulic Schematics

3000 Electrical

3050 Main Electrical System

3100 Wiring Diagrams

3200 Control System TMC

3300 Measuring System TJ3000

4000 Power Train

4100 Transfer Case

4200 Prop Shafts

4300 Axles / Bogies

NAF Service Manual and Repair Instruction LOK87/1; Transfer case

NAF Service Manual and Repair Instruction LOK 97; Front Axle

NAF Service Manual and Repair Instruction LOK 98; Rear Axle

5000 Cabin

5100 Controls And Lights

5200 A/C And Heater System

5250 Inspecting The A/C System

6000 Frames / Covers

6100 Front Frame

6200 Rear Frame

6300 Middle Joint

6320 Frame Brake

7000 Crane

7100 Crane

7100-1 A General Description of the Crane

7100-2 Technical Specifications

Appendix 1: Special Tools for the Crane

7150 Crane Cylinders

7150-1 Description and Operation

7150-2 Slewing Cylinders Servicing

7150-4 Main Boom Cylinder Removal & Installation

7150-6 Main Boom Cylinder Servicing

7150-8 Jib Boom Cylinder Removal & Install

7150-12 Jib Boom Cylinder Servicing

7150-14 Extension Boom Cylinder Removal & Install

7150-17 Extension Boom Cylinder Servicing

7200 Crane Maintenance

Indexator Rotators – Disassembly and Assembly Instructions

9000 Optional Equipments

Eberspächer Troubleshooting and Repair Manual

Where applicable throughout the text, “Safety Alert” symbols have been used to indicate important safety measures. Read carefully, understand, and follow these instructions to prevent hazardous situations that could lead to risk of personal injury.The instructions and procedures in this manual cover Forwarders with the most commonly used options; therefore pictorial presentation in some areas may vary slightly from the actual machine. This variation, however, does not have any impact on the accuracy of the written information. The information contained in this manual is current at the time of publication; however, continuing product improvement may result in changes to the machine which are not covered. Should information regarding such changes or further information on the machine be required, please contact your Timberjack dealer .