John Deere 1270 Harvester Repair Technical Manual (S.N after 01AB2108 –)

Table of Contents

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
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 Equipment
Eberspächer Troubleshooting and Repair Manual

This manual is written for an experienced technician and Owners. Essential tools required in performing certain service work are identified in this manual and are recommended for use.

Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.

The John Deere 1270 Harvester Repair technical manuals tell you how to repair the components and help you identify the majority of routine failures quickly.

Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.

Technical Manuals are concise guides for specific machines. They are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.