Part of the Yanmar Repair Manuals.
All 549 pages of this Yanmar SV26 Service Manual (OEM #MMB17ENMA00101) zero in on one machine: your SV26 compact excavator, from the cylinder head down to the rubber track crawlers. Inside, you get a full wiring diagram, hydraulic circuit schematics with complete circuit operation breakdowns, a tightening torque section covering machine hardware, engine fasteners, and hydraulic fittings, plus a dedicated error code list and troubleshooting procedures for the electric system. The engine section alone walks you through cylinder head service, fuel injection timing, injector removal, cooling pump teardown, and lubrication system checks. Torque the M16 track roller bolts to 206-245 N.m with Loctite 262, and keep hydraulic oil 10 mm above the midpoint of the level gauge at operating temperature. Your machine is down. Stop guessing and get the factory answer the first time. Bookmarked and searchable.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Cautions for Maintenance Work | 10-21 | Correct Work, Safety Precautions, Preparations, Cautions for Disassembly and Reassembly, Cautions for Removal and Installation of Hydraulic Equipment |
| Technical Data | 22-43 | Specifications, Outline Drawing and Working Area, Weight List of Main Parts, Lifting Capacity List, Specifications for Attachment, Periodic Inspection and Servicing, Fuel |
| Service Standards | 44-73 | Machine Performance, Undercarriage (Rubber Track Specifications, Steel Track Specifications, Common Specifications of Steel & Rubber Crawlers), Controls |
| Engine | 74-217 | Safety, Cylinder Head, Crankshaft and Camshaft Components, Fuel System, Cooling System, Lubrication System, Starter Motor, Alternator |
| Electric System | 218-239 | Electric Equipment of Machine, Error Code List |
| Hydraulic System | 240-458 | Outline, Circuit Operation, Hydraulic Pump, Control Valve, Pilot Valve, Swing Motor, Travel Motor |
| Adjustment and Repair | 459-549 | Engine and Electric Equipment, Undercarriage, Controls, Hydraulic Equipment, Work Implements |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Proper hydraulic oil level above middle of oil level gauge (at 0 to 30°C oil temperature) | 10 mm | p. 528 |
| Fuel filter filtration area | 2000 cm³ | p. 31 |
| Air cleaner filtration area | 0.9 m² | p. 31 |
| Idler & shaft D wear limit | 24 mm | p. 55 |
| Track roller tightening torque | 206 to 245 N·m | p. 64 |
| System Relief Pressure (P1, P2) | 20.6 MPa | p. 54 |
| Alternator Nominal Output | 12 - 40 V - A | p. 32 |
