Komatsu PC118MR-8, Operation And Maintenance Manual

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INSTRUMENTS AND CONTROLS
FUNCTIONING
3-66
(9) Slew brake disable switch
NOTICE
This switch temporarily enables manoeuvres in the event
of a malfunction in the revolving frame slew brake system.
It must not be used permanently. The failure that caused
the anomaly must be repaired immediately.
This switch (9) is used to temporarily enable manoeuvres in the
event of a malfunction in the revolving frame slew brake
system (when display shows code "E03").
(a) RELEASED: for use in the event of malfunction (push
switch up); the revolving frame may temporarily be rotated.
(b) NORMAL: normal situation (shift the lever switch
downward).
If the codes “E03” appear on the display, shift the lever switch
upward to be able to go on working.

When the switch is pushed up, the indicator on the monitor
starts flashing.
(10) Revolving light switch (if installed)
This switch (10) is used to turn on the rotating beacon mounted
on the cab roof.
(a) ON: beacon on
(b) OFF: beacon off
(11) Work light switch
This switch (11) is used to light up the working lamp and
monitor lighting.
(a) Night: Lights on and monitor backlight set to night mode
(b) Day: Lights on and monitor backlight set to day mode
(c) OFF: Lights off.

(Monitor backlight set to day mode.)
WEAM014802