Komatsu WA600-8 Operation & Maintenance Manual page 353

OPERATION
METHOD FOR RELEASING PARKING BRAKE WITH SECONDARY PARKING
BRAKE RELEASE SWITCH
If the caution lamp for the parking brake is not lit when the pressure in the brake accumulator is high and the
starting switch is turned to ON position, release the parking brake according to the following procedure.
1.
Turn the starting switch to ON position (B).
2.
Loosen knob (1) behind the R.H. console, and remove
fuse box cover (2).
3.
Set secondary parking brake release switch (3) to "RE-
LEASE" position (a).
Check that the parking brake caution lamp goes out.
Set secondary parking brake release switch (3) to "RE-
LEASE" position (a), and then the alarm buzzer sounds (a
continuous sound).
REMARK
• Set secondary parking brake release switch (3) to "NORMAL" position normally.
• If the pressure in the brake accumulator is low, the parking brake caution lamp may not go out or the alarm
buzzer may sound (a continuous "beep").
In this case, release the parking brake according to the following section.
METHOD FOR RELEASING PARKING BRAKE WITH BOLT
If the caution lamp for the parking brake does not go out or the alarm buzzer sounds (a continuous beep) when
the pressure in the brake accumulator is low, release the parking brake according to the following procedure.
TROUBLES AND ACTIONS
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