10
9
13
4
12
11
TM 9-4940-568-10
2-54
2-11. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TABLES (CONT).
Table 2-5. Operator’s Level Preventive Maintenance Checks and Services (Monthly) (CONT).
Item
No.
Interval
Item to
Check/
Service
Procedure
Not Fully Mission
Capable If:
48
Monthly
Crane Control
Levers
(n) Check first, second, and third extensions of
boom (4) for broken welds and obvious
damage.
Operator should be stationed to be able to see load at all times during crane
operation. Boom and load moving out of control could cause serious injury
or death.
(o) Check all hoses (9), fittings (10), valves
(11) and cylinders (12) for leaks.
Class III leak is evident.
(p) Check for cracked and broken welds.
(q) Check turntable bearing bolts (13) for
obvious looseness.
