DOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 3940, 3950, 3960 AND 3970 MOWER | PUBLICATION NUMBER - TM1203
This comprehensive technical manual covers the John Deere 3940, 3950, 3960, and 3970 mower models, providing detailed specifications, operation procedures, maintenance schedules, and troubleshooting guidance. The TM1203 manual delivers expert-level documentation essential for technicians, operators, and service professionals. Access complete schematics, parts diagrams, and repair protocols in convenient PDF format. Ideal for workshop reference, equipment maintenance, and diagnostic support. Ensure optimal performance and longevity of your John Deere mowing equipment with this authoritative technical resource.
CONTENTS:
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
TOTAL PAGE - 491
FILE FORMAT - PDF
FILE LANGUAGE - ENGLISH
