Krueger Crane Systems INC
4699 Colt Road, Rockford, ILL, 61109
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Trouble
Defective solenoid (hyd. or air), (depends on model).
Cause
Burned out coil
Corrective action
To operate the crane the solenoid has to be energized. 12 VDC has to be supplied to the coil. To check the solenoid,
disconnect the wires on the solenoid terminals. The operator should not be able to hoist up, boom down or extend the
telescopes. Connect a ground and a hot wire to the solenoid and the operator should be able to do all crane functions. If
not replace solenoid.
Phone (815) 874-9402
Telex 25-7498
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