LOAD KING 80-160, Operator'S Manual

Page: 205 / 369

205
Emergency Rotation
The
80-160
is equipped with a spring applied, hydraulic released brake. If hydraulic pressure is not
available from the machine, a hand pump or other means of supplying
400 psi
must be provided to swing
the crane in emergency situations.
1. Make sure crane is on level surface and use emergency retraction procedures to fully retract the
boom.
2. Use emergency lowering procedures to lower the boom about 1 foot above the boom rest. Attach
a tag line to the boom.
3. To release the friction swing brake and allow the vertical self alignment of the boom end over the
load being lifted, press the rocker switch item (45) in the upper right side of console to unlock.
4. Switch the swing lock item (46) to “OFF” in operator’s cab.
5. Use another vehicle to connect with straps to hook block and apply side pull to rotate crane boom
into position over boom rack.
6. Actuate Swing Lock Switch to “ON”.
ONCE BOOM IS IN BOOM REST, USE STRAPS TO SECURE BOOM INTO BOOM
REST FOR ROADING. IF HOOK BLOCK OR LOAD BALL CANNOT BE SECURED
TO TIEDOWN POINT, REMOVE IT AND SECURE ANY LOOSE WINCH CABLES.