John Deere 643J and 843J Wheeled Feller Buncher Diagnostic Operation and Test Manual (TM2216)

John Deere 643J and 843J Wheeled Feller Buncher Diagnostic Operation and Test Manual (TM2216 09 FEB 15)

This official technical manual provides in-depth operational procedures, system diagnostics, and testing protocols for the John Deere 643J and 843J wheeled feller bunchers. Designed for professional technicians, it includes comprehensive system overviews, safety instructions, troubleshooting guides, electrical schematics, hydraulic circuit explanations, and performance tests, ensuring precise servicing and optimal machine efficiency.

Model Covers:

Wheeled models:
John Deere 643J (SN. 770001-)
John Deere 843J (SN. 770001-)

File Format: PDF

Size: 25.33 MB

No. of pages: 607

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

Safety and General Information

• Safety signs, fluid handling, battery precautions, emergency readiness
• Proper lifting, welding, and chemical handling techniques
• Torque specs and fitting service recommendations

Diagnostic Procedures and Operational Checks

• Cab component and display checks
• Brake and steering system diagnostics
• Saw/shear control and valve testing
• System pressure and performance verification

Engine Systems

• Electronic control and fuel injection diagnostics
• Engine performance testing and derate program checks
• Common issues: no start, misfire, low power, excess smoke

Electrical and Control Systems

• Complete wiring diagrams and circuit schematics
• Battery, starting, ECU communication diagnostics
• Lighting, air conditioning, park brake and accessory circuits

Powertrain and Hydraulic System

• Hydrostatic transmission testing and adjustments
• Differential and brake circuit pressure diagnostics
• Hydraulic schematics and pressure regulation procedures

Heating and Air Conditioning

• Blower motor, A/C switch, compressor and valve testing
• Refrigerant handling, leak detection, and system charging
• Full HVAC operational checks and adjustment steps

For complete service information, also see:

643J and 843J Feller-Buncher Repair .......... TM2217
JDLink (MTG) Technical Manual .......... TM114519
Alternators and Starting Motors .......... CTM77
Pump Drive Service Manual .......... CTM57
TeamMate II 1200, 1400, and 1600 Series Inboard Planetary Axles .......... CTM43
PowerTech 4.5L & 6.8L Diesel Engines - Level 12 Electronic Fuel System with Stanadyne DE10 Pump .......... CTM331
Super Caddy Oil Cleanup Procedure .......... CTM310
PowerTech 4.5L & 6.8L Diesel Engines - Level 11 Electronic Fuel System with Denso HPCR .......... CTM220
TeamMate II 1200, 1400, 1600, and 1800 Series Inboard Planetary Axles .......... CTM18
18000 Series HMD Transmission .......... CTM158
PowerTech 4.5L & 6.8L Diesel Engines Tier 1/Stage I, Tier 2/Stage II, Tier 3/Stage IIIA, Tier 3/Stage IIA, Tier 3/Stage III (Base Engine) .......... CTM104
JDLink/ZXLink Machine Monitoring System .......... CTM10006

This John Deere 643J and 843J Wheeled Feller Buncher Diagnostic Operation and Test Manual is a vital resource for technicians, providing detailed diagnostics, testing guidance, and system knowledge to ensure effective maintenance and peak machine operation.