Part of the Yanmar Repair Manuals.
All 355 pages of this Yanmar EF685 Technical Manual PDF focus on one machine: the EF685 diesel tractor, from fuel injection pump to rear axle and hydraulic auto-control. Inside, you get complete wiring diagrams spanning cell motor, charge, fuel, alarm, and security circuits, plus hydraulic schematics for the entire auto-control system. Open the troubleshooting sections and you'll find problem diagnosis charts for the High-Efficiency Diesel engine and hydraulic system, exploded views of transmission and PTO components, and torque specs pulled straight from factory data. Greasing intervals are set at 50 hours; the EF685 delivers 68 gross PS at 2500 rpm with a pivot-pin lifting capacity of 800 kg. No more hunting forum posts for numbers your dealer won't share. Bookmarked and searchable: one keyword, one click, back to wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 3 | |
| Introduction | 12-39 | To the Owner, Important Warranty Information, Declaration of Conformity, Maintenance, Supply Period for Maintenance Parts, Improvements, Note, Symbol Indication |
| Periodical Inspection | 40-61 | Check Intervals, List of Oils, Greases and Antifreeze, List of Lubricants and Water Capacities, Equivalent Oil to Transmission Fluid Tf500, How to Inspect and Replace Theoil |
| Rough Disassembly of Components | 62-79 | How to Open/Close the Frontgrill and the Side Covers, Cabin Separation Andreassembly (Cabin Versiononly), How to Tilt the Fuel Tank, Propeller Shaft Separation |
| Engine | 80-107 | Construction and Functions, Removing and Reinstallingthe Fuel Injection Pump, Adjusting the Accelerator Lever and the Footaccelerator Pedal |
| High-Efficiency Diesel Engine | 108-169 | Construction and Functions, Control Outline, Precautions for Handling, Replacement Procedure Forthe Engine Governor Assembly, Problem Diagnosis |
| Transmission | 170-207 | Construction and Functions, Damper Disc, Main Clutch and Powerreverser |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Radiator hose replacement interval | every two years | p. 30 |
| Max. Lifting Capacity @Pivot Pin | 800 kg | p. 28 |
| Engine Output (Gross PS/rpm) | 68/2500 | p. 37 |
| Greasing Interval | 50 hours | p. 54 |
