TM 9-4940-568-20
2-21
Table 2-1. Unit Level Preventive Maintenance Checks and Services (PMCS) (CONT).
Item
No.
Interval
Item to Be
Inspected
Procedure
Not Mission
Capable If:
1
14
Semi-
Annual
Crane Hoist
Cable
Inspect crane hoist cable (1) for weak points in
cable and points where greatest stress occurs.
a.
Inspect for worn spots. Worn spots will
show up as shiny flattened spots on cable
strands.
a.
Outer wires are
reduced in diameter by
one-fourth.
b.
Strands must be inspected to determine if
one or more wires are broken.
b.
Cable is frayed,
kinked, worn or
corroded.
c.
Inspect strands. If individual wires are
broken next to one another, count broken
wires. If six randomly distributed broken
wires in one lay (distance in which strands
make one complete turn around the cable) or
three broken wires in one strand in one lay are
found, replace cable (Para 5-5).
