Part of the Yanmar Repair Manuals.
Looking for a factory-level Yanmar SV22 service manual PDF? All 406 pages of OEM reference MMB28ENMA00100 are here, covering the complete SV22 excavator from engine teardown to full hydraulic circuit operation. Inside you get hydraulic schematics tracing every circuit: boom, arm, bucket, swing, blade, and travel. Wiring diagrams cover the full electric system including LCD monitor alarms and the complete error code list, plus a calibration section, torque tables, and a troubleshooting guide tackling non-breakdown symptoms like cylinder drift, thermal shock, and telescopic motion. Torque the travel motor-to-track frame M10 bolts to 67 to 79 N·m and replace your gear oil filter every 250 hours. Those aren't forum estimates. Download now, jump to any bookmarked section, search any spec by keyword, and walk to your machine with the right answer.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Cautions for Maintenance Work | Correct Work, Safety Precautions, Disassembly and Reassembly, Hydraulic Equipment Removal/Installation, Hydraulic Hose Installation, Air Release | |
| Technical Data | Specifications, Outline Drawing, Weight List, Lifting Capacity, Periodic Inspection, Fuel/Lube/Grease Recommended, Hydraulic Circuit Schematic, Wiring Diagram | |
| Service Standards | Machine Performance, Undercarriage, Controls, Hydraulic Equipment, Implement, Tightening Torque, Pressure Adjustment | |
| Engine | Safety, Cylinder Head, Crankshaft and Camshaft Components, Fuel System, Cooling System, Lubrication System, Starter Motor, Alternator | |
| Electric System | Electric Equipment of Machine, LCD Monitor and Alarm Systems, Circuit Description of Engine Start and Stop, Battery Charge, Error Code List | |
| Hydraulic System | Outline, Circuit Operation (Boom, Arm, Bucket, Swing, PTO, Blade, Travel), Hydraulic Pump, Control Valve, Pilot Valve, Swing Motor, Travel Motor | |
| Adjustment and Repair | Engine and Electric Equipment, Undercarriage, Controls, Swing Bearing, Hydraulic Equipment, Implements | |
| Troubleshooting | Non-Breakdowns (Natural Release, Discontinuous Movement, Drifting, Thermal Shock, Time Lag, Oil Level Fluctuation, Cylinder Elongation, Telescopic Motion) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Travel motor to Track frame bolt tightening torque | 67 to 79 N·m | p. 57 |
| LO filter filtration area | 800 cm² | p. 25 |
| LO filter valve opening pressure | 0,08 to 0,12 MPa | p. 25 |
| Fuel filter filtration area | 432 cm² | p. 25 |
| GO filter replacement interval | Every 250h | p. 32 |
| Oil/water separator type | Mesh filter | p. 25 |
| Water separator inspection/adjustment interval | Daily | p. 32 |
| Suction filter filtration area | 550 cm² | p. 22 |
| Suction filter filtration accuracy | 125 u | p. 22 |
| Return filter filtration area | 2200 cm² | p. 22 |
| Return filter filtration accuracy | 15 u | p. 22 |
| Radiator hose clip 35 tightening torque | 2,5 to 3,5 N·m | p. 55 |
