Komatsu PW160-7K Series Operation And Maintenance Manual page 112

SWITCHES
The swing lock override switch is designed to allow operations to
be carried out for a short period when there is an abnormality in
the swing brake electrical system (swing brake system error). The
abnormality must be repaired immediately.
TRAVEL OVERRIDE SWITCHES
Emergency Travel Switch - If there is a problem with the controller
or the signals being supplied to the controller and travel is not
possible, the Emergency Travel Switch (13) can be used to move
the machine in a situation of emergency.
Position Status
1 Normal
2 Abnormal
Emergency F / N / R Switch - When the Emergency Travel Switch
has been activated the F / N / R switch on the right control lever
will no longer function. The emergency F / N / R switch located at
the rear of the right pod should be used in conjunction with the
Emergency Travel Switch in a situation of emergency.
Position Status
1 Forward
2 Neutral
3 Reverse
PARK BRAKE SWITCH
This switch (8) is used to apply and release park brake.
OFF: Park brake released (warning light not illuminated)
ON: Park brake applied (warning light illuminated)
REMARK
When moving off from a standstill up an incline it will be nec-
essary to depress the travel pedal slightly before releasing park
brake to build pressure to the travel hydraulics and prevent initial
rearwards movement
Do not apply the park brake while the machine is in motion except
in an emergency or the park brake may be damaged.
112
13
14
OFF
8
ON
OPERATION
2
1
1
2
3