Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services - Continued
Not Fully Mission
d. Head of shaft (toward center of
d. Head of shaft
CROP) has at least 1/8 inch (3.2 mm) of exceeds wear criteria.
a. Visually inspect to ensure welds
a. Welds are broken,
rings) and Multi-
(19) securing bar to inside and outside
bar is loose, or side beam
of side beam are not cracked or side
beam is not distorted or cracked.
b. Visually inspect to ensure tiedown
b. Any two adjacent
(D-ring) (20) and bar (21) are not miss-
(side by side) tiedowns or
ing, cracked, or deformed.
bars are missing.
c. Inspect to ensure web strap can be
c. Web strap cannot be
attached to tiedown (D-ring) and bar.
d. Visually inspect multipurpose pro-
d. Multipurpose provi-
visions and mounting brackets for
sion or mounting bracket