John Deere 4720 Forage Harvesters Technical Manual (TM1312)

Illustrated factory Technical Manual for John Deere Forage Harvesters Models 4720.

This manual will assist you in diagnosing, and repairing for your forage harvester.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   4720

Format: PDF, 282 pages
Language: English
Publication Date: 01 Sep 1984
Table of Contents:
   INTRODUCTION
   GENERAL
      Safety
      Specifications
      Lubrication
      Diagnosing Malfunctions
   DRIVE TRAIN
      Tractor Driveline
      Reverse Drive Gear Case
      Torque
      Rear Universal Drive
      Bevel Gear Case
      Feed Roll Drive Gear Case
      Troubleshooting
   HYDRAULICS
      General Information, Diagnosis and Tests
      Electrohydraulic Valves
      Torque Positioning Cylinder
      Feed Roll Shift Cylinders
      Cutterhead Lift Cylinders
      Spout Cap Cylinders
      Spout Control Motor
   ELECTRICAL
      Wiring Harness
      Diagnosis and Tests
      Electrical Adjustments
      Metal Detector
   CUTTERHEAD ASSEMBLY
      Feed Rolls
      Stationary Knife
      Cutterhead
      Knife Sharpener
      Troubleshooting
   MISCELLANEOUS
      Auger
      Fan
      Spout Liner
      Wheel Bearings

Covered
Models	4720