Part of the Yanmar Repair Manuals.
Fixing your compact excavator starts with the right factory data. All 332 pages of this Yanmar SV08-1 Service Manual PDF (OEM #4460106) focus on getting your machine back to the dirt. Inside, you get complete hydraulic circuit schematics covering both fixed and variable track gauge types, plus detailed teardown steps for the trochoid pump and cylinders. Open to the extensive troubleshooting section to quickly diagnose sluggish control valves, and reference full wiring diagrams to trace stubborn electrical faults. Set the travel motor main assembly bolts to 27.5-30.4 Nm and confirm the 6.6L hydraulic tank is filled with ISO VG46 oil before testing the boom swing. Guessing at clearances only leads to broken parts. Grab this bookmarked download, pull it up on your phone in the shop, and get back to turning wrenches.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Chapter 1 General Cautions for Maintenance Work | 7-18 | Correct Work, Safety Precautions, Preparations, Cautions for Disassembly and Reassembly, Cautions for Removal and Installation of Hydraulic Equipment |
| Chapter 2 Technical Data | 19-30 | Specifications, Outline Drawing and Working Area, Weight List of Main Parts, Lifting Capacity List (B08-3, B08-3V) |
| Chapter 3 Service Standards | 31-48 | Machine Performance, Engine, Undercarriage (Rubber Crawler Specifications), Controls, Hydraulic Equipment (Hydraulic Cylinders) |
| Chapter 4 Engine | 49-93 | Measurement |
| Chapter 5 Hydraulic System | 94-126 | Outline (Control Valve Operation), Hydraulic Circuit Schematic (Variable Track Gauge Type Specifications, Fixed Track Gauge Type Specifications) |
| Chapter 6 Hydraulic Equipment | 127-216 | Hydraulic Pump, Control Valve, Swing Motor, Valve Block, Travel Motor |
| Chapter 7 Adjustment and Repair | 217-294 | Electrical Equipment, Undercarriage, Controls, Swing Bearing, Hydraulic Equipment, Work Implements |
| Chapter 8 Periodic Inspection and Servicing | 295-297 | Swing Gear Case, Travel Reduction Gear, Transmission, Differential Gear, Hydraulic Pump, Swing Gears, Swing Bearings, Track Gauge Change Cylinder |
| Chapter 9 Fuel, Lube Oil and Grease Recommended | 298-299 | Engine oil, Travel reduction gear, Hydraulic oil, Fuel, Engine cooling water, Idler, Track roller, Carrier roller |
| Chapter 10 Troubleshooting | 300-329 | Bucket, Arm, Upperstructure, Travel Motor, Hydraulic Oil Tank, Engine, Electrical Equipment, Control Valve |
| Chapter 11 Reference Data | 330-331 | bucket, bucket arm, bucket link, arm-stick, bucket pin, cylinder, hydraulic pump |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Travel motor main assembly bolts tightening torque | 27.5 to 30.4 Nm | p. 204 |
| Work Implements M10 bolt tightening torque | 44.1 to 58.8 Nm | p. 294 |
| Hydraulic hose (SAE J517, 100R1) 02 working pressure | 17.2 MPa | p. 14 |
| Hydraulic oil type | YANMAR SUPER HYDRO. OIL (ISO VG46) | p. 299 |
| Hydraulic oil tank capacity | 6.6 L | p. 299 |
| Engine oil type | Engine oil SAE 10W30, CD class | p. 299 |
| Engine oil pan capacity | 1.8 L | p. 299 |
| Engine cooling water type | YANMAR genuine long-life coolant (LLC) 30 % added | p. 299 |
| Radiator coolant capacity | 1.6 L | p. 299 |
| Battery type | 44B-19L | p. 26 |
| Battery voltage - 5 hrs rate capacity | 12-30 V-Ah | p. 26 |
| Air cleaner type | Cyclone type | p. 26 |
