When crane is overloaded, the overload shutdown system will
automatically shut off power to Telescope Boom Out, Boom Up
Boom Down and Hoist Up functions. Overload condition can
be corrected by using Hoist Down function to lower load to
ground or other supporting surface. All crane functions will be
restored in about six seconds, after overload condition is
It is normal for fluctuation of the engine rpm to occur whenever
a change in load on the engine occurs.
Move HOIST control lever (15) to UP position to lift load. Move BOOM
control lever (21) to UP position to raise load and bring load closer to
crane. Use SWING control lever (25) to rotate crane to desired location to
Move HOIST control lever (15) to DOWN position to lower load. Move
BOOM control lever (21) to DOWN position (telescope function can also
be used to adjust the load position for setting down) to lower load and move
load away from crane.
Shut down crane (Para 2-30e).