6
3
1
2
4
5
TM 9-4940-568-10
2-15
Figure 2-9. Crane Remote Control Unit.
Key
Control or Indicator
Function
1
BOOM Control Lever
Raises and lowers the boom.
TELESCOPE and HOIST control levers should be operated
at the same time or hook block will contact boom tip and
cause damage.
2
TELESCOPE Control Lever
Move TELESCOPE control lever to OUT or IN position
to extend or retract the boom.
3
REMOTE CONTROL UNIT
ON/OFF EMERGENCY STOP
Switch
Supplies and shuts off electrical power to the crane and
allows the operator to shut down the crane in an emergency
situation from the REMOTE CONTROL UNIT.
Boom must be above shelter for clearance. Hitting obstacles
with boom may cause damage to boom or shelter.
4
SWING Control Lever
Moves the crane clockwise and counterclockwise.
5
HOIST Control Lever
Reels in and pays out the cable.
6
REMOTE Hookup Wire Outlet
Allows cable hookup between the crane and remote.
