Operation 3.7 Troubleshooting
WA470-6H – VEAM946100 3-167
3. Turn starting switch to the ON position (B).
4. Move the parking brake switch to the ON (a) position (actu-
ated), then move it to the OFF (b) position (released).
The parking brake is released.
5. To restore the function of the parking brake, turn grip (2) of
the release valve clockwise to close the release valve, then
turn locknut (1) clockwise to lock it.
Tightening torque
Grip (2): 20 ± 5 Nm
Locknut (1): 20 ± 5 Nm
6. Move the parking brake switch to the ON (a) position.
The parking brake is applied.
To release the parking brake again, repeat the procedure in
Steps 1 to 4.
REMARK
If the brake accumulator pressure is low, the parking brake
warning lamp may not go out, or the alarm buzzer may sound
continuously. If this happens, go to the following section "Method
of releasing mechanically (3-168)" and release the brake.
GK038021
A
B
C
GK038008
ONOFF
GK038095
1
2
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