Komatsu WB140-2N User Manual

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

Komatsu WB140-2N Specifications

General

Brand	Komatsu
Model	WB140-2N
Category	Compact Loader
Language	English