Part of the John Deere Repair Manuals.
This 958-page John Deere 350DLC Technical Manual (OEM #TM2359) puts the complete factory diagnostics, electrical, and hydraulic documentation for your Excavator in your hands. Inside you get full wiring diagrams with fuse and relay specs, hydraulic system diagrams covering the pilot circuit, pump and drive gearbox, and swing motor, plus a dedicated diagnostic trouble code section for the Main Controller, ECU, and Information Controller. You also open to a full troubleshooting section and exploded views for tearing into the undercarriage and control valve without guesswork. Check swing bearing play at 0.2 to 1.25 mm normal clearance and confirm your hydraulic oil temperature sensor reads correctly at position B40 before you chase a phantom fault. No more pulling panels blind because a forum thread guessed wrong. Bookmarked by section, PDF works on laptop, tablet, or phone, so you can pull it up right at the machine and start fixing.
What's Inside This John Deere 350DLC Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information & Safety | 7-21 | Recognize Safety Information, Wear Protective Equipment, Avoid Unauthorized Machine Modifications, Inspect Machine, Prevent Unintended Machine Movement |
| Diagnostics (Trouble Codes) | 22-200 | Main Controller (Mcf) Diagnostic Trouble Codes, Engine Control Unit (ECU) Diagnostic Trouble Codes, Information Controller (Icf) Diagnostic Trouble Codes |
| Operational Checkout Procedure | 201-242 | Operational Checkout, Diagnostic Trouble Code Check, Operational Checks, Key Switch Off, Engine Off Checks, Key Switch on |
| Engine | 243-263 | Engine Oil Sampling Port Location, Engine Fuel System Component Location, Engine Cooling System Component Location, Engine Speed Control System Operation |
| Electrical System | 264-606 | Electrical Diagram Information, Explanation of Wire Markings, Fuse and Relay Specifications, System Functional Schematic, Component Location, And Wiring Diagram Master Legend |
| Power Train & Undercarriage | 607-620 | Track Adjuster and Recoil Spring Operation, Travel Gearbox Operation, Diagnose Undercarriage Components Malfunctions, Excessive Oil Leakage From Front Idler, Track Rollers |
| Hydraulic System | 621-914 | Hydraulic System Diagram and Operation, Fan Drive System Operation, Pilot System Diagram and Operation, Pump and Drive Gearbox Operation, Control Valve Operation, Swing Motor |
| Heating and Air Conditioning | 915-938 | Air Conditioning System Cycle of Operation, Diagnose Air Conditioning System Malfunctions, Diagnose Heating System Malfunctions |
| Reference Material | 939-942 | Terminology Cross Reference Chart, Conversion Charts, Abbreviations |
| Specifications and Dealer-Fabricated Tools | 943-958 | Machine Specifications, Torque Charts, Dealer-Fabricated Tool Drawings |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Swing Bearing Play | 0.2–1.25 mm normal | p. 617 |
| Hydraulic Oil Temperature | 45-55°C | p. 906 |
| Radiator Temperature Differential (typical) | 4-7°C | p. 261 |
| Engine Slow Idle Speed | 750-850 rpm | p. 256 |
| Fuel Level Sensor Resistance (FULL) | 6-10 Ohms | p. 196 |
| Boom Cylinder Drift (max. 5 min.) | 20 mm | p. 880 |
