
John Deere 1380 Mower-Conditioners Technical Manual TM1204
The John Deere 3940, 3950, 3960 and 3970 Forage Harvesters Technical Manual TM1203 is a comprehensive workshop reference for technicians, mechanics, and equipment owners performing service, maintenance, troubleshooting, adjustments, and repairs on these John Deere forage harvesters.
Manual Specifications
- Brand: John Deere
- Models: 3940, 3950, 3960, 3970
- Equipment Type: Forage Harvesters
- Manual Type: Technical Manual
- Publication Number: TM1204
- Language: English
- Format: PDF

TABLE OF CONTENTS:
- INTRODUCTION
- SAFETY
- GENERAL
3.1 Specifications
3.2 Diagnosing Malfunctions
3.3 Description
3.4 Lubrication - PLATFORM
4.1 General Information and Removal
4.2 Reel
4.3 Auger
4.4 Conditioner
4.5 Right-Hand and Left-Hand Cross Shaft - HYDRAULIC SYSTEM
5.1 General Information, Diagnosis and Tests
5.2 Hydraulic Pump and Planetary Gear Case
5.3 Hydraulic Motor
5.4 Relief Valve, Shutoff Valve and Filler
5.5 Pivot Cylinder
5.6 Hydraulic Lift System - CUTTING COMPONENTS
6.1 Knife Drive Case
6.2 Cutterbars
6.3 Knives - MISCELLANEOUS
7.1 Wheels
7.2 Tongue - ALPHABETICAL INDEX



