TM 10-3950-672-10
Table 5-1. Operator Preventive Maintenance Checks and Services Continued
INTERVAL
ITEM TO BE
NOT FULLY
ITEM
CHECKED OR
PROCEDURE
MISSION
NO.
B
SERVICED
CAPABLE IF
9
BEFORE
Hydraulic Oil
Inspect hydraulic oil
Hydraulic oil cooler
Cooler
cooler for evidence of
contaminated or
leaks and dirt
leaks.
restricting air flow
through cooler.
10
BEFORE
Wire Rope
a.Inspect wire rope,
a. Refer to
rope sockets, and
fittings for damage,
for wire rope
wear, corrosion,
safety criteria.
heat damage, and
lack of lubrication.
Ensure that all
components are
properly installed
and secure.
b.Inspect sheave
b. Any component
guards, guides,
damaged and/or
drums, flanges, and
corroded.
other surfaces that
come in contact
with wire rope for
sharp edges, burrs,
and corrosion that
could damage wire
rope.
11
BEFORE
Boom Sheaves
a.Inspect boom
a. Any component
& Hook Block
sheaves and hook
loose, damaged,
block to ensure all
or not installed
components are
properly.
properly installed
and secure.
b.Inspect hook block
b. Hook block
for cracks, damage,
cracked,
and deformed hook.
damaged, or
deformed.
c. Inspect boom and
c. Excessive dirt,
boom nose sheaves
grease, or
for excessive dirt,
foreign matter.
grease, and foreign
matter.
5-16
