Komatsu D20AG-7, D20PL-7, D20PLL-7, D21A-7, D21AG-7, D20P-7A, D20PG-7A, D21PG-7A Bulldozer Operation & Maintenance Manual
207 pages · Publication SEAM000902
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- Models
- D20AG-7, D20PL-7, D20PLL-7, D21A-7, D21AG-7, D20P-7A, D20PG-7A, D21PG-7A
- Serial coverage
- D20AG-7 76441 and up, D21A-7 76441 and up, D21AG-7 76441 and up, D20PL-7 62001 and up, D20PLL-7 62001 and up, D20P-7A 76441 and up, D20PG-7A 76441 and up, D21PG-7A 76441 and up
- Manual type
- Operation & Maintenance Manual
- Pages
- 207
- Publication
- SEAM000902
- Condition
- Brand new
What's inside
From the manual's own table of contents: 15 sections, 41 entries. See sample pages (PDF, 252 KB)
General4 topics
- Location of plates, table to enter serial No. and distributor
- General precautions
- Before starting engine
- Before carrying out maintenance
Position for sticking safety labels2 topics
- view of machine
- Control levers and pedals
Operation1 topic
- Check before starting engine
T2A. Operation7 topics
- Starting engine
- Moving machine Off
- for operation
- Parking machine
- WOrk
- Stopping engine
- Check after stopping engine
Shifting gear2 topics
- Tips for longer undercarriage life (D20PL, PLL-7, D20P-7A, D21A-7)
- Handling rubber shoes (D20AG-7, D20PG-7A, D21AG-7, D21PG-7A)
Cold weather operation2 topics
- Precautions for low temperature
- Precautions after completion Of WOK
Standard tightening torques for bolts and nuts2 topics
- Introduction of necessary toOlS
- Torque list 0.00
Service procedure6 topics
- Initial 250 hours Service
- Check before starting
- Every 250 hours Service
- Every 500 hours Servic€
- Every 1000 hours service 1.0.2
- Every 2000 hours Service
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the D21PG-7A 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 an operator's 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.
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, 207 pages
Quantity one is the manual described above.
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60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
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).