TM 5-5420-278-24&P
0018 00
0018 00-37
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:
3
4
18
Semi-
Left outer
annually
ponton lock (3)
a. Ensure outer ponton lock is assembled
properly.
b. Inspect brackets, spring pins, pins,
spacers, lever, and connecting link for
cracks, broken welds, binding, and
deformation.
a. Outer ponton lock
not functioning
properly.
b. Broken welds or
deformation noted.
19
Semi-
Left
annually
outer ponton
end skin
surface (4)
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.