OPERATING CONTROLS GRT655/655L OPERATOR MANUAL
3-22 Published 3-23-2020, Control # 654-04
Strobe Light or Beacon (Optional)
The strobe light or beacon (Figure 3-15) is on the left side of
the superstructure. It is on when the ignition switch is on.
Backup Alarm (Not Shown)
The backup alarm is an audio system used to warn
personnel when the crane is backing up.It is activated when
the transmission is in the reverse. The backup alarm is
installed in the rear outrigger box.
Emergency Exit
The windshield is the Emergency Exit. In an emergency, if
the door is blocked or cannot be opened, push out
windshield and escape through opening.
Turntable Swing Pin Lock Control
The Turntable Swing Lock Pin Control Handle
(1, Figure 3-16) is located on the lower right console. When
the control handle is pushed down and the superstructure is
directly over front of carrier, the swing lock pin drops into the
socket on the carrier frame, locking the superstructure in
place. When the control handle is pulled up, the pin is pulled
out of the socket, unlocking the superstructure.
120V/220V Engine Block Heater and Outlet
The crane is equipped with a 120V engine block heater for
cold weather operation. The plug for connecting power to the
engine block heater is located on the left side of the crane
near the battery disconnect switch (Figure 3-17).
An optional 220V engine block heater is available in place of
the 120V version.
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