Komatsu PC20R-8, PC27R-8 Mini Excavator Service Manual
296 pages · Publication WEBM000200_1
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What's inside
From the manual's own table of contents: 24 topics. See sample pages (PDF, 448 KB)
- Power train
- Swing circle
- Swing machinery
- Final drive
- Track frame
- Recoil spring
- Carrier roller
- Track roller
- Steel shoe
- Hydraulic system
- Hydraulic circuit diagram
- Hydraulic pump
- Control valve
- CLSS
- Swivel joint
- Swing motor
- Travel motor
- Cylinder
- Accumulator
- PPC Valve
- Servocontrol feed unit
- Electrical circuit diagram (1/3)
- Electrical circuit diagram (2/3)
- Electrical circuit diagram (3/3)
Inside this manual
Real pages from this service manual (296 pages). Open the sample pages (PDF, 448 KB)
- Diagram, page 166: BLEEDING AIR FROM THE HYDRAULIC CIRCUITS
- Specifications, page 202: REMOVAL OF THE COUNTERWEIGHT
- Troubleshooting, page 282: Unit: mm
- Foldout diagram, page 30: HYDRAULIC SYSTEM
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 296 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).