Inspection and Maintenance
Method
Interval
Item
a. Inspect all weld for
visual
180 Days
Exhaust Silencer
cracks.
b. Inspect all rivets for
looseness.
c. Check retractable exhaust
inlet tube for cracks,
dents, and binding.
d. Check clamp for cracks
and stripped threads.
e. Check chain for worn or
broken links.
f. Using a flashlight, inspect
the interior of silencer
for loose, burned, and
torn screening and insula-
tion.
g. Inspect bypass door for
proper closing, cracks,
and damage. Inspect
blast plate (rear of door)
for burn-through, cracks,
warpage, and looseness.
180 Days
Visual
Frame
a. Examine all structural
components of the trailer,
such as angles, beams,
supports, and welded sec-
tions for cracks, weak-
ness, and failures.
b. Check all components for
security of attachment.
Figure 4-4.
Table of Periodic Inspection and Maintenance (Sheet 6 of 8)
4-8
