DOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 3940 HARVESTER | PUBLICATION NUMBER - TM1203

The TM1203 is a comprehensive technical manual designed for the John Deere 3940 Harvester. This detailed reference guide covers operation, maintenance, troubleshooting, and repair procedures essential for equipment owners and service technicians. Featuring detailed diagrams, specifications, and step-by-step instructions, this manual ensures proper machine performance and longevity. Ideal for both experienced operators and those new to the 3940 model, it provides the technical expertise needed to maximize efficiency and minimize downtime in the field.

CONTENT:
GENERAL INFORMATION
Safety
Specifications
General Information
Lubricants
DRIVE TRAIN
Diagnosing Malfunctions
PTO Hookup—Recirculating Ball Slip
PTO Hookup—Non-Metallic Bushing Type
PTO Hookup—Grobe Spline Type
Powershaft
Bevel Gear Case
Feed Roll Gear Case
Feed Roll Drives
HYDRAULIC SYSTEM
General Information
 Diagnosing Malfunctions
Electrohydraulic Valve
Tongue Position Cylinder
Hydraulic Shift Cylinders
Cutterhead Lift System
Hydraulic Downstop (3940/3960)
Spout Cap Cylinder
Spout Control Motor
Flow Divider Valve
ELECTRICAL SYSTEM
Component Location
System Functional Checks and Diagnosing Malfunctions
Tests and Adjustments
Harness Repair
IRON-GARD™ Metal Detector (3950/3970)
SPOUT-TRAK™ (3950/3970)
Downstop and Float Systems (3950/3970)
ROW-TRAK™ (3950/3970)
Electrical Diagrams
CUTTERHEAD ASSEMBLY
Diagnosing Malfunctions
Feed Rolls—3940/3960
Feed Rolls—3950/3970
Smooth Roll Scraper—Stationary Knife and Adjuster
Radius and Feed Roll Arms
Knife Sharpener
Cutterhead and Bearings
MISCELLANEOUS
Auger
Wheels
Fan and Spout
DEALER FABRICATED TOOLS
Dealer Fabricated Tools
Index

TOTAL PAGE - 491

FILE FORMAT - PDF
LANGUAGE - ENGLISH