TM 5-5420-278-24&P
0018 00
0018 00-34
Table 2. Unit Preventive Maintenance Checks and Services for Interior Bay (Contd).
ITEM TO
ITEM
CHECK/
EQUIPMENT NOT
NO.
INTERVAL
SERVICE
PROCEDURE
READY/AVAILABLE IF:
1
3
10
Semi-
Cable guide (1)
annually
Inspect for structural damage, cracked
welds, or missing guide.
Cracked welds noted
or damage prevents
using guide.
12
Semi-
Right inner
annually
ponton end
skin surface (3)
a. Inspect surface area for punctures,
holes, tears, seam ruptures, cracks, and
broken welds.
b. Inspect seams for cracked or broken
welds.
a. Damage which
cumulatively adds
up to a hole
approximately
.26 in. (.66 cm) in
diameter (the size
of a typical pen or
pencil).
b. Cracked or
broken welds
noted.
2
11
Semi-
Lower lock-
annually
drive
assembly (2)
a. Inspect jackscrew threads for cracks,
burrs, nicks, and deformation.
b. Inspect trunnions and pin for cracks.
c. Inspect bumpers and support brackets
for cracks, broken welds, and deformation.
a. Jackscrew will
not extend or
retract pin
properly.
b. Cracks or broken
welds noted.
c. Cracks, broken
welds, or
deformation noted.