TM 9-4940-568-10
2-38
2-11. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TABLES (CONT).
Table 2-2. Operators Level Preventive Maintenance Checks and Services (During) (CONT).
Item
No.
Interval
Item to
Check/
Service
Procedure
Not Fully Mission
Capable If:
23
During
Material
Handling
Crane Manual
Override
Check manual overide valve is locked in closed
position.
(a) Position crane main power switch (1) in the
OFF position.
(b) Move RH O/R JACK (2) or LH O/R
JACK (3) to DOWN.
Outrigger jack lowers.
24
During
Material
Handling
Crane
Check for proper boom operation:
(a) Erect crane (Para 2-29). Move HOIST
control lever (4) to UP and slowly raise hook
block (5) to contact boom (6). Hold HOIST
control lever in UP position and move BOOM
control lever (7) to UP then DOWN.
Boom will raise and/or
lower.
(b) Move HOIST control lever (4) to DOWN
and slowly lower hook block one foot. Move
BOOM control lever (7) to UP then DOWN.
Boom will not raise
and/or lower.
(c) Stow crane (Para 2-29).
7
4
5
6
3
2
1