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Komatsu D20,21A-7 Dozer Operation & Maintenance Manual
Models Covered
Komatsu D20A Bulldozer
Komatsu S/N D20,21A-7 - 80060 and up
Komatsu S/N D20PL,PLL-7 - 62664 and up
Komatsu S/N D20,21P-7A - 80228 and up
* INSTANT DOWNLOAD NO WAITING
* PDF FORMAT
*Fully Bookmarked chapters for easy navigation allowing you to identify the exact information needed in the
quickest time possible.
*Detailed illustrations, drawings and photos to guide you through.
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File Format: PDF
Pages: 228
Printable: Yes
Language: English
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Some of the subjects covered in this Komatsu Operation & Maintenance Manual
Safety information
General precautions
Precautions during operation
Before starting engine
Operating machine
Transportation
Battery
Towing
Bucket with hook
Precautions for maintenance
Before carrying out maintenance
During maintenance
Position for attaching safety labels
OPERATION
General view
General view of machine
General view of controls and gauges
Explanation of components
Meters, lamps
Switches
Control levers, pedals
Engine hood
Fuse box
Fusible link
Operation manual storage
Operation
Check before starting engine
Starting engine
Operations and checks after starting engine
Moving machine off
Steering machine
Stopping machine
Swinging
Operation of work equipment
Prohibitions for operation
Precautions for operation
Precautions when traveling up or down hills
How to escape from mud
Work possible using hydraulic excavator
Replacement of bucket
Handling rubber shoes
Parking machine
Checks after finishing work
Stopping engine
Checks after stopping engine
Locking
Transportation
Loading, unloading work
Method of lifting machine
Precautions for loading
Precautions for transportation
Cold weather operation
Precautions for low temperature
Precautions after completion of work
After cold weather
Long-term storage
Before storage
During storage
After storage
Troubleshooting
Phenomena that are not failures
Method of towing machine
If battery is discharged
Other trouble
MAINTENANCE
Guides to maintenance
Outline of service
Outline of oil, fuel
Outline of electric system
Outline of hydraulic system
Wear parts list
Use of fuel and lubricants according to ambient temperature
Standard tightening torques for bolts and nuts
Introduction of necessary tools
Torque list
Periodic replacement of critical parts
Maintenance schedule chart
Maintenance schedule chart
Maintenance interval when using hydraulic breaker
Service procedure
Initial 20 hours service
Initial 100 hours service
Initial 500 hours service
When required
Check before starting
Every 100 hours service
Every 250 hours service
Every 500 hours service
Every 2000 hours service
ATTACHMENTS
General precautions
Precautions related to safety
Introduction of optional parts and attachments
Specifications, uses
Attachments installation combination
Handling bucket with hook
Checking for damage to bucket with hook
Prohibited operations
Precautions during operations
Handling P-way piping
Switching between l-way and 2-way
Operating pedal
Method of using pedal lock
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