Komatsu PC450-8 Operation & Maintenance Manual page 85

OPERATION
Swing Lock Monitor
This monitor (2) informs the operator that the swing lock is
being actuated.
Actuated: Lights up
When the swing lock switch is turned ON (ACTUATED), the
monitor lamp lights up.
This lamp lights up when the swing parking brake release
switch is set to the FREE position.
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For details of the positions of the swing holding brake
release switch, see "CONTROLS AND GAUGES (3-3)".
REMARK
The swing motor is equipped with a disc brake that mechani-
cally stops the rotation. When the swing lock monitor is lighted
up, the brake remains applied.
Wiper Monitor
Monitor (3) indicates operating status of the wiper.
The monitor display when wiper switch is operated, as follows.
When ON lights up: Wiper moves continuously
When INT lights up: Wiper moves intermittently
OFF: Wiper stops
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For details of the positions of the wiper switch, see "CON-
TROLS AND GAUGES (3-3)".
Auto-deceleration Monitor
Monitor (4) shows if the auto-deceleration is being actuated.
The monitor display when auto-deceleration switch is operated,
as follows.
Auto-deceleration monitor ON: Auto-deceleration actuated
Auto-deceleration monitor OFF: Auto-deceleration canceled
q
For details of the positions of the auto-deceleration switch,
see "CONTROLS AND GAUGES (3-3)".
DETAILED CONTROLS AND GAUGES
3-19