Service Manual, also known as a Workshop Manual, contains the information you need to perform maintenance and overhaul work on any type of bulldozer. Accordingly, it is a comprehensive PDF document that provides detailed information, instructions, and guidelines for maintenance, repair, and servicing.

Komatsu D31EX-21 D31PX-21 D37EX-21 Service Manual contains:

• Language: English

• Format: Download link or usb stick will be sent to you. It depends on what you choose.

• Data type: PDF

• Covered models: D31EX-21,D31PX-21,D37EX-21,D37PX-21,D39EX-21,D39PX-21

• Covers serial numbers: D31EX-21 Bulldozer S/N 50501 and up
  D31PX-21 Bulldozer S/N 50501 and up
  D37EX-21 Bulldozer S/N 5501 and up
  D37PX-21 Bulldozer S/N 5501 and up
  D39EX-21 Bulldozer S/N 1501 and up
  D39PX-21 Bulldozer S/N 1501 and up

Having a Service Manual is incredibly useful as it provides detailed instructions and guidance for various maintenance and repair tasks.

Here are some common things you can fix or maintain on your bulldozer with the help of a Komatsu D31EX-21 D31PX-21 D37EX-21 Service Manual:

Regular Maintenance Tasks:

• Engine oil and filter changes

• Air filter replacement

• Cabin air filter replacement

• Coolant flush and refill

• Transmission fluid change

• Brake fluid flush and refill

• Power steering fluid flush and refill

Minor Repairs:

• Replacing bulbs (headlights, taillights, turn signals)

• Replacing fuses

• Repairing minor leaks (oil, coolant, etc.)

• Adjusting brakes (pad replacement, rotor resurfacing)

• Adjusting clutch (for manual transmissions)

• Fixing minor electrical issues (faulty switches, connectors)

Component Replacement:

• Brake pad and rotor replacement

• Spark plug replacement

• Battery replacement

• Alternator replacement

• Starter motor replacement

• Water pump replacement

• Radiator replacement

• Thermostat replacement

• Suspension component replacement (shocks, struts, control arms)

Advanced Repairs:

• Engine component replacement (e.g., timing belt/chain, cylinder head)

• Transmission repairs (rebuild, replacement)

• Exhaust system repairs or replacement

• Fuel system repairs (fuel pump replacement, injector cleaning)

• Electrical system troubleshooting and repair (diagnosing wiring issues, sensor replacement)

Troubleshooting:

• Diagnosing engine performance issues

• Identifying and fixing electrical problems

• Investigating abnormal noises (squeaks, rattles, grinding)

• Addressing drivability issues (vibrations, pulling to one side)

Always refer to the Service Manual for specific instructions and safety precautions when performing any maintenance or repair tasks on your Komatsu D31EX-21 D31PX-21 D37EX-21. If you’re unsure about a manual, it’s best to seek professional assistance to prevent further damage.