John Deere 678 Wrapping Baler Diagnostic and Repair Technical Manual (TM3301)

John Deere 678 Wrapping Baler Diagnostic and Repair Technical Manual (TM3301 18 JUN 10)

This technical manual provides in-depth diagnostic, testing, and service procedures for the John Deere 678 Wrapping Baler. It includes electrical schematics, actuator and sensor calibration, CAN bus troubleshooting, and full mechanical servicing for hydraulic systems, pickup mechanisms, net/twine tying, wrapping arms, and bale chamber components. Suitable for serial number-specific service operations, it covers both BaleTrak and GreenStar systems.

Model Covers:

John Deere 678 Wrapping Baler (Europe)

File Format: PDF

Size: 48.99 MB

No. of pages: 1161

Language: English

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

📑 Included Sections:

Electrical and Diagnostic Systems

• BaleTrak and GreenStar monitor diagnostics
• Full DTC lists and troubleshooting routines
• Sensor and actuator signal testing
• CAN bus wiring and power distribution

Hydraulic and Braking Systems

• Bale density control valve servicing
• Wrapping and knife hydraulic valve repairs
• Cam-type clutch, HFWD, chain tension adjustments
• Air and hydraulic brake disassembly and testing

Wrapping and Baling Mechanisms

• Net tying and twine tying actuator service
• Rollers, belts, scraper and wrapping arm calibration
• Bale chamber roll servicing and replacement
• Pickup system, maxi-cut precutter gear case inspection

Electrical Diagrams and Calibration Modes

• Complete wiring diagrams by serial number range
• Sensor and motor test procedures with schematics
• Monitor configuration, software upload, channel tuning

This John Deere 678 Wrapping Baler Technical Manual is designed for field technicians and service engineers, supporting full-system diagnostics and precision repair for advanced baler configurations.