TM 9-2320-392-10-1
M1089A1 MATERIAL HANDLING CRANE (MHC)
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OPERATION - Continued
RAISE BOOM TO OPERATING POSITION - Continued
7.
To pre-operational check MHC Overload Shutdown System (OSS) perform the
followinW:
a.
Position HOIST lever (22) in UP position until hook assembly (26) is against
boom nose (31).
NOTE
Hydraulic system is in by-pass mode when hydraulic system no longer
operates.
b.
Hold HOIST lever (22) in UP position until hydraulic system is in by-pass mode.
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