Checking And Adjusting Parking Brake; Check; Adjustment - Komatsu WB140-2N Operation & Maintenance Manual
Backhoe loader
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Also See for WB140-2N:
- Shop manual (31 pages) ,
- Shop manual (41 pages) ,
- Operation & maintenance manual (31 pages)
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MAINTENANCE
CHECKING AND ADJUSTING PARKING
BRAKE
During running-in, check efficiency of parking brake after the
first 500 hours of operation.
CHECK
Check condition:
•
Tire pressure as prescribed.
•
Dry, compact road surface, with approximately 11° 20' (1/5) grade.
•
Machine in operating conditions.
1.
Start the engine.
2.
Align the machine in a straight traveling position and proceed up
the slope with 1/5 grade, with bucket empty.
3.
Stop the machine by applying brake pedal, shift directional control
lever to neutral position (N), and stop the engine.
4.
Apply the parking brake (lock position), slowly release the brake
pedal, and make sure that the machine does not move.
ADJUSTMENT
1.
With engine off, release the brake lever and rotate lever end (1) by
giving it 2 or 3 counter-clockwise turns.
2.
Start the engine and check again.
3-62
WB140-2N, WB150-2N
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