Technical Workshop Guide: John Deere 350C And 400C Articulated Dump Truck Diagnostic Operation Service Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Brand series provides OEM specifications, torque settings, and assembly instructions.
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What's inside this Brand manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
John Deere 350C And 400C Articulated Dump Truck Diagnostic Operation Service Manual
Download: John Deere 350C 400C Diagnostic Operation Manual
Here is a comprehensive guide to diagnostics for these models.
1. Primary Diagnostic Tool: John Deere JDLink & Service Advisor
The cornerstone of modern diagnosis is the electronic service tool.
John Derade Service Advisor (Now Part of John Deere Operations Center): This is the official diagnostic software. You need a compatible laptop and an Adapter Cable (John Deere Data Link Adapter) to connect to the machine’s diagnostic port (usually in the cab or near the fuse panel).
What it allows you to do:
Read and clear diagnostic Diagnostic Trouble Codes (DTCs) all controllers (Transmission, Engine, Brakes, Chassis, etc.).
View real-time data parameters (engine RPM, oil pressures, temperatures, solenoid states, gear selection, brake pressures).
Perform active tests (actuate solenoids, calibrate sensors).
Key for Transmission & Diff Lock Issues: It is essential for calibrating the transmission shift profile and troubleshooting complex electrical issues in the power train.
Always start here if you have access. A code can instantly point you to a specific circuit or system failure.