Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 Bulldozer Operation & Maintenance Manual
240 pages · Publication TEN00109-01
Added to your cart. View cart
What's inside
From the manual's own table of contents: 70 topics. See sample pages (PDF, 361 KB)
- PRECAUTIONS FOR OPERATION
- STARTING ENGINE
- OPERATION
- TRANSPORTATION
- BATTERY
- TOWING
- PRECAUTIONS FOR MAINTENANCE
- SWITCHES
- CONTROL LEVERS AND PEDALS
- FUSE
- ELECTRIC POWER TAKE-OUT ADAPTER
- DOOR - OPEN LOCK
- SASH GLASS INTERMEDIATE LOCK
- CAP, COVER WITH LOCK
- DOOR POCKET
- ASHTRAY
- LUNCHBOX HOLDER BELT
- CUP HOLDER
- TOOL BOX
- GREASE PUMP HOLDER
- CAR STEREO, HANDLING
- AIR CONDITIONER, HANDLING
- CHECK BEFORE STARTING ENGINE, ADJUST
- OPERATIONS AND CHECKS AFTER STARTING ENGINE
Show all 70 topics
- STOPPING ENGINE
- MACHINE OPERATION
- SHIFTING GEARS
- SHIFTING BETWEEN FORWARD AND REVERSE
- STEERING MACHINE
- WORK POSSIBLE USING BULLDOZER
- PARKING MACHINE
- CHECK AFTER FINISHING WORK
- LOCKING
- TIPS FOR LONGER UNDERCARRIAGE LIFE
- TRANSPORTATION MEANS
- PRECAUTIONS WHEN REMOVING WORK EQUIPMENT
- REMOVING CAB
- LOADING, UNLOADING WORK
- LIFTING MACHINE
- COLD WEATHER OPERATION
- PRECAUTIONS FOR LOW TEMPERATURE
- AFTER COMPLETION OF WORK
- AFTER COLD WEATHER
- LONG-TERM STORAGE
- BEFORE STORAGE
- DURING STORAGE
- AFTER STORAGE
- TROUBLESHOOTING
- AFTER RUNNING OUT OF FUEL
- MACHINE TOWING METHOD
- IF BATTERY IS DISCHARGED
- WHEN ENGINE DOES NOT STOP
- OTHER TROUBLE
- USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
- PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS
- STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
- TORQUE LIST
- PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
- SAFETY CRITICAL PARTS
- MAINTENANCE SCHEDULE CHART
- SERVICE PROCEDURE
- WHEN REQUIRED
- CHECK BEFORE STARTING
- EVERY 50 HOURS SERVICE
- EVERY 250 HOURS SERVICE
- EVERY 500 HOURS SERVICE
- EVERY 1000 HOURS SERVICE
- EVERY 2000 HOURS SERVICE
- EVERY 4000 HOURS SERVICE
- EQUIPPING FIRE EXTINGUISHER AND FIRST-AID KIT
Inside this manual
Real pages from this operation & maintenance manual (240 pages). Open the sample pages (PDF, 361 KB)
- Controls and operation, page 129: 3. Set the work equipment lock lever (7) to the FREE position.
- Maintenance, page 174: MAINTENANCE
- Specifications, page 225: SPECIFICATIONS
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.
Added to your cart. View cart
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, 240 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
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).