TM 9-2320-392-10-1
M1089A1 MATERIAL HANDLING CRANE (MHC)
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OPERATION - Continued
RAISE BOOM TO OPERATING POSITION - Continued
CAUTION
There should be no movement of the Material Handling Crane (MHC) during
this check. If there is movement in the MHC, notify Field Maintenance. Failure
to comply may result in damage to equipment
c.
Continue holding HOIST lever (22) in UP position while placing TELESCOPE lever
(32) in OUT position and BOOM lever (23) first in the UP position and then in the
DOWN position.
CAUTION
Approximately six seconds should elapse before Overload Shutdown System
resets and boom responds to down movement. If no movement occurs, notify
Field Maintenance. Failure to comply may result in damage to equipment.
d.
While holding BOOM lever (23) in the DOWN position, pay out hook assembly
(26) so no contact is made with boom nose (31).
e.
Press MANUAL OVERRIDE switch (33) to reset.
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