All 376 pages of this Yanmar SV05-A, SV05-B service manual PDF focus on tearing down and rebuilding your compact excavator from the undercarriage up. Inside, you get full hydraulic schematics detailing control valve operations, clear wiring diagrams for the monitor and alarm systems, and step-by-step procedures covering everything from the swivel joint to the swing bearing. Open up the troubleshooting section to quickly diagnose poor travel motor performance or track down stubborn starting issues without wasting hours. Lock down the undercarriage track rollers to 72.4 ft-lbf and verify your cylinder head bolts are torqued exactly between 34 and 39 N-m before firing up the machine. Stop guessing at engine clearances while covered in grease. Grab this bookmarked download, open it on your phone right next to the machine, and get your digger back in the dirt.
What's Inside This Yanmar SV05-A, SV05-B Manual
| System | Pages | Key Topics |
|---|---|---|
| General Cautions for Maintenance Work | 11-24 | Correct Work, Safety Precautions, Preparations, Cautions for Disassembly and Reassembly, Cautions for Removal and Installation of Hydraulic Equipment |
| Technical Data | 25-42 | Specifications (Machine Body, Engine), Outline Drawing and Working Area (W/O ROPS Spec., ROPS Spec.), Weight List of Main Parts, Lifting Capacity List (W/O ROPS Spec. |
| Service Standards | 43-68 | Machine Performance, Engine (Sv05-A, Sv05-B), Undercarriage (Rubber Crawler Specifications), Controls, Hydraulic Equipment (Hydraulic Cylinders) |
| Engine | 69-158 | Measurement, Inspection and Adjustment, Measurement Procedure, Service Data and Corrective Action, Fuel Oil Injection System, Electrical Equipment, Disassembly of Engine |
| Hydraulic System | 159-190 | Outline (Control Valve Operation), Hydraulic Oil Circuit Schematic |
| Hydraulic Equipment | 191-262 | Removal and Reinstallation of Hydraulic Pump, Removal and Reinstallation of Control Valve, Removal and Reinstallation of Swing Motor, Removal and Reinstallation of Swivel Joint |
| Adjustment and Repair | 263-334 | Electrical Equipment and Engine of Machine (Parts Layout of Electrical Equipment, Monitor and Alarm Systems, Wiring Diagram, Circuit Description of Engine Start and Stop, And Battery Charge, Removal and Reinstallation of Engine, Removal and Reinstallation of Starter Motor, Removal and Reinstallation of Fuel Tank, Removal and Reinstallation of Radiator, Removal and Reinstallation of Muffler) |
| Periodic Inspection and Servicing | 335-338 | 8-1 List of Periodic Inspection and Servicing |
| Fuel, Lube Oil and Grease Recommended | 339-342 | Engine Oil, Travel Reduction Gear Oil, Hydraulic Oil, Fuel, Engine Cooling Water |
| Troubleshooting | 343-372 | 10-1 Non-Breakdowns, 10-2 Troubleshooting |
| Reference Data | 373-376 | 11-1 Specifications for Attachment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| SV05-A | ||
| Engine mount tightening torque | 32.5 to 43.4 ft•lbf (44.1 to 58.8 N•m) | p. 61 |
| Track roller tightening torque | 57.9 to 72.4 ft•lbf (78.5 to 98.1 N•m) | p. 61 |
| SV05-B | ||
| Engine mount tightening torque | 32.5 to 43.4 ft•lbf (44.1 to 58.8 N•m) | p. 61 |
| Track roller tightening torque | 57.9 to 72.4 ft•lbf (78.5 to 98.1 N•m) | p. 61 |
| All Models | ||
| Rubber hose (High pressure type) (SAE J517,100R1) Hose dia. 02 Inner dia. | 0.25 in. (6.3 mm) | p. 17 |
| Rubber hose (High pressure type) (SAE J517,100R1) Hose dia. 02 Working pressure | 2489 PSI (17.2 MPa) | p. 17 |
| Sealing tape overlap | 0.39 in. (10 mm) | p. 12 |
| Oil/water separator type | Mesh filter screen | p. 30 |
| Air cleaner type | Cyclone type | p. 30 |
| Air cleaner filtration area | 4.74 sq.ft. (0.44 sq.m) | p. 30 |
| Fuel filter type | Filter paper with automatic air release device | p. 29 |
| Fuel filter filtration area | 66.96 sq.in. (432 sq.cm) | p. 29 |
Yanmar SV05-A, SV05-B Common Problems This Manual Covers
Yanmar SV05-A engine temperature gauge spikes and radiator boils over during heavy operation p. 348
Inspect the cooling system for loose clamps or rotting hoses. Torque the hose clips to 1.80 to 2.17 ft·lbf (2.45 to 2.94 N·m) as shown on page 280. Press the V-belt center and adjust tension per page 71 to achieve 0.1575 in. (4 mm) slack under 49 N force.
Manual Section: Machine & Engine Troubleshooting (Low Output, Overheating, Smoke)Visible hydraulic fluid dripping around the control valve fittings and worn high pressure hoses
Clean the leaking area and inspect the fittings. Replace any damaged high pressure hoses. Wrap new fittings with sealing tape, leaving a 0.39 in. (10 mm) overlap as directed on page 12. Torque the parallel pipe thread fittings to 10.1 to 12.3 ft·lbf (13.7 to 16.7 N·m) using page 66.
Manual Section: Control Valve TroubleshootingExcavator boom and bucket functions are weak, erratic, or extremely slow under load
Check the hydraulic oil tank capacity and fill to the 2.06 Gals (7.8 L) specification found on page 28. Bleed any trapped air from the hydraulic circuit. Attach a pressure gauge to the test port and verify the system relief set pressure reaches 2422 PSI (16.7 MPa) per page 26.
Manual Section: Work Implement & Hydraulic Cylinder TroubleshootingRubber tracks slipping off the idler or excessive vibration while tramming across hard surfaces p. 43
Inspect the undercarriage components for damage and clear compacted mud from the track frames. Measure the rubber crawler lug height. Replace the tracks immediately if the tread wears down to the 0.20 in. (5 mm) limit specified on page 55 to prevent unexpected derailment during operation.
Manual Section: 3. Service StandardsFrequently Asked Questions
What are the torque specs for the YANMAR SV05-A swing motor bolts?
The manual specifies that the swing motor mounting bolts (M12 thread size) should be tightened to 57.9 to 72.4 ft·lbf (78.5 to 98.1 N·m) using Three Bond 1324 or an equivalent adhesive.
What are the torque specs for the YANMAR SV05-B undercarriage bolts?
For the undercarriage, the track roller and idler bolts (M12) should be tightened to 57.9 to 72.4 ft·lbf (78.5 to 98.1 N·m), while the sprocket bolts (M8) require 16.7 to 21.7 ft·lbf (22.6 to 29.4 N·m). The adjuster bolt (M20) has a torque range of 159.0 to 195.3 ft·lbf (215.7 to 264.8 N·m).
What is the recommended engine oil type and capacity for the YANMAR SV05-A and SV05-B?
The recommended engine oil type is SAE10W30, CD class. The engine oil pan capacity is 1.5 Qts. (1.4 L).
What is the standard valve clearance for a cold engine in the YANMAR SV05-A and SV05-B?
For both the SV05-A and SV05-B models, the intake valve clearance for a cold engine is 0.0079 in. (0.2 mm), and the exhaust valve clearance for a cold engine is also 0.0079 in. (0.2 mm).
How will I receive this Service Manual?
Immediate download of the complete 376-page searchable Service Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Is this Yanmar SV05-A, SV05-B Service Manual printable?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Can I find hydraulic circuit diagrams in this Yanmar SV05-A, SV05-B manual?
Yes, this Yanmar SV05-A, SV05-B Service Manual includes hydraulic system diagrams, circuit schematics, and component specifications.
Document Quality
This is a high-quality scanned document with an OCR layer, so you can search and copy the full text. The text is crisp and consistently easy to read on every page. Diagrams and illustrations are clear, and their labels are legible, even though they appear to be raster images. The pages are clean, free of scan artifacts or marks, and consistently aligned. You will find several intentionally blank pages throughout the manual, which is typical for this type of publication.
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