Part of the Yanmar Repair Manuals.
Every one of the 701 pages in this Yanmar SV100-2A Service Manual is factory-written for the SV100-2A compact excavator. Inside: complete hydraulic schematics tracing every circuit through the control valve, swing motor, and travel motor, plus wiring diagrams covering both the engine ECU and hydraulic controller. You get a full error code section, hundreds of pages of step-by-step procedures spanning engine, hydraulic, electrical, and undercarriage systems, a complete tightening torque table, and a troubleshooting quick-reference built to point you straight at the fault. When reassembling after a hydraulic repair, torque your M10 × 1.5 hex bolt to 44.1–58.9 N·m (32.53–43.44 ft·lbf) and confirm rubber crawler lug height at 1.30 in. (33 mm). Your machine is down and every idle hour costs money. Bookmarked and searchable; jump straight to the system you need from any device.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Cautions for Maintenance Work | 13-24 | 1-1 Correct Work, 1-2 Safety Precautions, 1-3 Preparations, 1-4 Cautions for Disassembly and Reassembly, 1-5 Cautions for Removal and Installation of Hydraulic Equipment |
| Technical Data | 25-52 | 2-1 Specifications, 2-2 Outline Drawing and Working Area, 2-3 Weight List of Main Parts, 2-4 Lifting Capacity List, 2-5 Specifications for Attachment |
| Service Standards | 53-80 | 3-1 Machine Performance, 3-2 Engine, 3-3 Undercarriage, 3-4 Controls, 3-5 Hydraulic Equipment, 3-6 Implement, 3-7 List of Tightening Torque, 3-8 Pressure Adjustment |
| Engine | 81-266 | 4-1 Safety, 4-2 Engine, 4-3 Fuel System, 4-4 Cooling System, 4-5 Lubrication System, 4-6 Turbocharger, 4-7 Starter Motor, 4-8 Alternator |
| Electric System | 267-320 | 5-1 Electric Equipment of Machine, 5-2 Circuit Description of Engine Start and Stop, 5-3 Engine ECU (Engine Controller), 5-4 Hydraulic ECU (Controller), 5-5 Error Code |
| Hydraulic System | 321-550 | 6-1 Outline, 6-2 Circuit Operation, 6-3 Hydraulic Pump, 6-4 Control Valve, 6-5 Pilot Valve, 6-6 Swing Motor, 6-7 Travel Motor, 6-8 Cutoff Valve |
| Adjustment and Repair | 551-688 | 7-1 Engine and Electric Equipment, 7-2 Undercarriage, 7-3 Controls, 7-4 Swing Bearing, 7-5 Hydraulic Equipment, 7-6 Implement, 7-7 Cabin, 7-8 Air Conditioner |
| Troubleshooting | 689-696 | 8-1 Non-Breakdowns, 8-2 Quick Reference Table for Troubleshooting |
| Appendix | 697 | SV100-2A Wiring Diagram |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torque for Hexagon head bolt (7T) Nut, Coarse screw thread, M10 × 1.5 | 32.53 to 43.44 ft·lbf (44.1 to 58.9 N·m) | p. 73 |
| Air cleaner, Filtration area | 20.8 sq.ft. (1.93 sq.m) | p. 30 |
| Fuel filter filtration area | 310 sq.in. (2000 sq.cm) | p. 30 |
| LO filter filtration area | 180 sq.in. (1160 sq.cm) | p. 30 |
| Rubber crawler, A (Standard) | 1.30 in. (33 mm) | p. 62 |
| Steel crawler, Crawler link (Triple grouser), A (Standard) | 3.50 in. (89 mm) | p. 63 |
| System relief set pressure, Piston pump P1 | 3989 PSI (27.5 MPa) at 7.9 GPM (30 L/min) | p. 75 |
| Overall length (Transportation position) | 251.6 in (6390 mm) | p. 25 |
| Maximum digging force (Bucket) | 15388 lbs (68.5 kN) | p. 25 |
| Swing speed | 9.1 rpm | p. 25 |
| System relief set pressure (P1, P2) | 3989 PSI (27.5 MPa) | p. 26 |
| Swing motor displacement | 2.35 cu.in./rev (38.5 cu.cm/rev) | p. 27 |



















