Braking System; Torque Converter System - Komatsu WB140-2N Operation & Maintenance Manual
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Also See for WB140-2N:
- Shop manual (31 pages) ,
- Shop manual (41 pages) ,
- Operation & maintenance manual (31 pages)
Table of Contents
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OPERATION
BRAKING SYSTEM
Trouble
Braking irregular for both wheels:
Braking not regular on one side only:
TORQUE CONVERTER SYSTEM
Trouble
Low pressure in clutch:
Pump delivery insufficient:
System overheating:
Noisy converter:
Lack of power:
2-60
Possible Cause
•
Worn brake disks.
•
No fluid in master cylinder.
•
Air in braking system.
•
Air in braking system.
•
Brake disk worn.
Possible Cause
•
Oil level.
•
Clutch pressure adjusting valve
stuck open.
•
Faulty delivery pump.
•
Worn clutch shaft or piston rings.
•
Clutch pump stuck open.
•
Oil level.
•
Suction filter clogged.
•
Faulty pump.
•
Damaged rings.
•
Faulty pump.
•
Oil level.
•
Dirty heat exchanger.
•
Damaged heat exchanger.
•
Faulty pump.
•
Damaged bearings.
•
Low engine RPM causing stall.
•
Overheating.
Remedy
•
Replace.
•
Top off and purge system.
•
Purge the system.
•
Purge the system.
•
Replace.
Remedy
•
Top off.
•
Clean element and seat.
•
Replace.
•
Replace rings.
•
Clean.
•
Top off.
•
Clean filter.
•
Replace.
•
Dissemble and clean.
•
Replace.
•
Top off.
•
Clean.
•
Replace.
•
Replace.
•
Remove and replace.
•
Check engine.
•
See overheating remedies.
WB140-2N, WB150-2N
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