TM 9-2320-366-10-2
2-50. WRECKER MATERIAL HANDLING CRANE (MHC)
OPERATION (CONT)
(7) To pre-operational check MHC Overload Shutdown System (OSS) perform the
following:
(a) Place HOIST lever (1) in UP position until hook assembly (4) is against boom
nose (10).
NOTE
Hydraulic system is in by-pass mode when hydraulic system no longer
operates.
(b) Hold HOIST lever (1) in UP position until hydraulic system is in by-pass mode.
2-674