Checking And Adjusting The Parking Brake - Komatsu WB93S-5 F50003 Operation & Maintenance Manual

4.8.1.k CHECKING AND ADJUSTING THE
PARKING BRAKE
IMPORTANTE
During running-in, check the efficiency of the parking
q
brake after the first 100 hours of operation.
CHECK
Check conditions
Tyre pressure in accordance with the prescribed values.
q
Road surface dry, compact, with a gradient of approx. 20%
q
(11°20').
Machine in operating conditions without load.
q
1 - Start the engine (see "3.6.2 STARTING THE ENGINE").
2 - Align the machine in travel position on a straight road section
and proceed up the slope with 20% gradient.
3 - Stop the machine with the service brake, shift the reverse
gear lever (1) to the neutral position (N) and stop the engine.
4 - Apply the parking brake (lock position), release the service
brake slowly and make sure that the machine does not move.
ADJUSTMENT
1 - With the engine off, release the brake lever and rotate the
lever end (2) by giving it 2 or 3 counterclockwise turns.
2 - Start the engine, apply the parking brake and check again.
2
RKAB4520
MAINTENANCE PROCEDURES
11° 20'
11° 20'
N
20% (1/5)
RKA16930
20% (1/5)
RKA16940
1
RKAB4530
2
RKAB4510
197