Komatsu WA270-3H Operation & Maintenance Manual page 128

Wheel loader
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Troubleshooting
If faults or causes of faults are not listed below, have them rectified by
the responsible dealer.
Fault
Brakes not working.
Faulty brake action.
Steering reaction sluggish.
Steering wobbles.
*) Have this work carried out by the responsible dealer.
2 - 70
BRAKES
Fault cause
Brake discs have reached limit of
wear
Air in the system
Hydraulic system faulty
PARKING BRAKE
Too much play on brake lever
Brake lining worn
STEERING
Faulty hydraulic system
Play on steering cylinder bolts too
large
Hydraulic system faulty
Remedy
Replace brake discs. *)
Bleed system.
Repair. *)
Adjust brake. *)
Replace brake linings. *)
Repair. *)
Repair. *)
Repair. *)

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