Figure 2-8. Crane Main and Auxiliary Valve Controls.
Control or Indicator
Remote Control Hookup
Connection for the remote control when used.
Crane Power Switch
Provides electrical power to the crane and outrigger jacks.
BOOM Lift 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.
TELESCOPE Control Lever
Move TELESCOPE control lever to OUT or IN position to
extend or retract the boom.
Boom must be above shelter for clearance. Hitting
obstacles with boom may cause damage to boom or shelter.
SWING Control Lever
Moves boom clockwise and counterclockwise.
MAST Control Lever
Raises the mast to operating position and lowers the mast to
HOIST Control Lever
Reels in and pays out the cable.