Want the real factory data for your Kobelco SK25SR-6? This 564-page shop manual PDF (OEM #S5PV0029E01) covers the SK25SR-6 Mini Excavator from engine rebuild to final drive: every hydraulic circuit, electrical schematic, and factory procedure in one document. You get complete hydraulic circuit schematics tracing fluid through the control valve, swing motor, and travel motor, plus full wiring diagrams with the automatic deceleration circuit and error code list. The Service Standards section delivers a torque table covering machine bolts, engine hardware, and hydraulic fittings. Verify the return filter bypass valve opens at 0.147 MPa and confirm the engine's 68.0 cu.in. total displacement before you button anything back up. No more chasing specs across three different forums. Download it, search it by keyword, and have the factory answer on your phone before you pick up the first wrench.
What's Inside This Kobelco SK25SR-6 Manual
| System | Pages | Key Topics |
|---|
| General Cautions for Maintenance Work | 11-22 | Correct Work, Safety Precautions, Preparations, Cautions for Disassembly and Reassembly, Cautions for Removal and Installation of Hydraulic Equipment |
| Technical Data | 23-50 | 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 | 51-82 | Machine Performance, Engine, Undercarriage (Rubber Track Specifications, Steel Track Specifications, Common Specifications of Steel & Rubber Crawlers), Controls |
| Engine | 83-226 | 4-1 Safety, 4-2 Engine, 4-3 Fuel System, 4-4 Cooling System, 4-5 Lubrication System, 4-6 Starter Motor, 4-7 Alternator, 4-8 Electric Wiring |
| Electric System | 227-254 | 5-1 Electric Equipment of Machine, 5-2 Circuit Description of Engine Start and Stop, 5-3 Automatic Deceleration System, 5-4 Error Code List |
| Hydraulic System | 255-454 | 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 Proportional Solenoid Valve |
| Adjustment and Repair | 455-552 | 7-1 Engine and Electric Equipment, 7-2 Undercarriage, 7-3 Controls, 7-4 Swing Bearing, 7-5 Hydraulic Equipment, 7-6 Work Implements, 7-7 Cabin |
| Troubleshooting | 553-564 | 8-1 Non-Breakdowns, 8-2 Quick Reference Table for Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Return filter filtration accuracy | 10 u | p. 27 |
| Return filter by-pass valve opening pressure | 21 psi (0.147 MPa) | p. 27 |
| Fuel filter filtration area | 66.96 sq.in. (432 sq.cm) | p. 30 |
| Battery voltage - 5 hrs rate capacity | 12-36 V - Ah | p. 31 |
| Engine Total Displacement | 68.0 cu.in. | p. 29 |
| Rated Engine Output (GROSS) | 21.2 HP | p. 29 |
| Hydraulic Oil Tank Capacity | 10.3 Gals | p. 27 |
| System Relief Set Pressure (P1, P2) | 2987 psi | p. 25 |
| Swing Speed | 10 rpm | p. 24 |
| Intake Valve Clearance (Cold engine) | 0.008 in. | p. 29 |
| Radiator Cap Pressure | 12.8 psi | p. 30 |
| Engine Mount Vibroisolating Rubber Tightening Torque | 19 to 23 ft•lbf | p. 68 |
