TM 9-2320-366-10-1
Table 2-5. Preventive Maintenance Checks and Services (M1089) (Cont)
Location
Item
No.
Interval
Item to
Check/
Service
Crewmember
Procedure
Not Fully
Mission Capable
If:
CAUTION
Keep hook block at least 2 ft (0.61 m) from end of boom. If hook
block hits end of boom, Material Handling Crane (MHC) will lose
power for several seconds. Failure to comply may result in damage
to equipment.
13
During
MHC
Operation
(Cont)
m. Move TELESCOPE
lever in OUT position
and HOIST lever in
DOWN position (para 2-
50f) to extend boom.
n. Check all three stages
of boom extension for
broken welds and other
obvious damage.
o. Move TELESCOPE
lever to IN position and
HOIST lever in UP
position (para 2-50f) to
retract boom.
m. Boom does
not extend or
hook block
does not
lower.
n. Any broken
welds (or
other obvious
damage) are
found.
o. Boom does
not retract or
hook block
does not
raise.
2-172
