Part of the Yanmar Repair Manuals.
When the bucket on a ViO15-2 starts creeping down under load, guessing at the cause can cost your crew a full day. This Yanmar ViO15-2 service manual gives you the factory procedure instead: 384 pages in English covering the whole excavator, from the 3TNE68-EBVA diesel engine to the hydraulic pump, control valve, swing motor, travel motor and undercarriage.
Inside are the numbers you cannot safely invent: relief pressure settings, valve clearances, a full tightening torque list, and service standards for the engine, cylinders, controls and undercarriage. The troubleshooting chapter works through real symptoms, including natural release of the bucket, discontinuous arm movement and drifting of the upperstructure, and the adjustment and repair chapter carries the fixes.
It arrives as a PDF download with a searchable text layer. Buy it once and it is yours to keep for the life of this machine, in the cab or printed for the bench.
Complete the set for your ViO15-2
- Parts Catalog: Yanmar ViO15-2 Parts Catalog (Mini Excavator)
- Parts Catalog: Yanmar Vio15-2 Parts Catalog
- Parts Catalog: Yanmar VIO15, B5055 Parts Catalog (incl. Wiring)
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Cautions for Maintenance Work | 10-18 | Correct Work, Safety Precautions, Disassembly and Reassembly, Hydraulic Equipment Removal, Hydraulic Piping, Seals, Hydraulic Hose Installation |
| Technical Data | 19-30 | Specifications, Outline Drawing, Working Area, Weight List of Main Parts, Lifting Capacity |
| Service Standards | 31-49 | Machine Performance, Engine Standards, Undercarriage, Controls, Hydraulic Cylinders, Implement, Tightening Torque List |
| Engine | 50-98 | Compression Pressure, Valve Clearance, V-Belt, Fuel Injection, Idling Speed, Cooling System, Electrical Equipment, Starter Motor, Alternator, Glow Plug |
| Hydraulic System | 99-146 | Control Valve Operation, Hydraulic Circuit Schematic, Circuit Operation (Boom/Arm/Bucket/Swing/Travel/Blade), Pressure Adjustment, Relief Valves |
| Hydraulic Equipment | 147-252 | Seals and O-Rings, Hydraulic Pump, Control Valve Assembly, Swing Motor, Travel Motor, Cylinders, Swing Bearing, Undercarriage |
| Adjustment and Repair | 253-338 | Electric Equipment of Machine, Undercarriage, Controls, Swing Bearing, Hydraulic Equipment, Implement |
| Periodic Inspection and Servicing | 339-341 | General Checks, Lube Oil, Hydraulic System, Grease, Undercarriage, Electric Equipment |
| Fuel, Lube Oil and Grease Recommended | 342-343 | Engine Oil, Travel Reduction Gear Oil, Hydraulic Oil, Fuel, Engine Cooling Water |
| Troubleshooting | 344-380 | Natural Release of Bucket, Discontinuous Arm Movement, Drifting of Upperstructure, Thermal Shock of Travel Motor, Machine and Engine Troubleshooting |
| Reference Data | 381-382 | Specifications for Attachment, Bucket Installation Dimensions, Cylinder Length, Bucket Arm Pin Height |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Replacement of seals and O-rings | In principle, the removed seals and O-rings must be replaced with new ones. | p. 143 |
| Fuel filter filtration area | 67.0 (432) sq.in. (sq.cm) | p. 25 |
| Oil/water separator mesh filter screen | 100 mesh | p. 25 |
| LO filter filtration area | 124.1 (800) sq.in. (sq.cm) | p. 25 |
| Air cleaner filtration area | 4.7 (0.44) sq.ft. (sq.m) | p. 25 |
| Hose band (CW-T) tightening torque | 1.8 to 2.2 ft·lbf (2.5 to 2.9 N·m) | p. 265 |
| Engine Model | 3TNE68-EBVA | p. 24 |
| Total Engine Displacement | 784 cu.cm | p. 24 |
| Rated Engine Output | 8.5 KW at 2000 rpm | p. 24 |
| Engine Compression Pressure | 3.2 MPa at 300 rpm | p. 24 |
| Intake/Exhaust Valve Clearance (Cold Engine) | 0.15 to 0.25 mm | p. 25 |
