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Page Title:
Figure 4-4. Table of Periodic Inspection and Maintenance (Sheet 4 of 6) |
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 TM 55-4920-424-13&P
Item
Interval
Method
Inspection and Maintenance
Speed Increaser
90 Days
Visual
a.
Check all nuts and bolts
for stripped threads, and
for security of attachment.
b.
Remove cover from input
shaft housing. Check
input shaft for cracks,
wear, chipped splines,
and chipped teeth.
c.
Check oil sight glass for
leaks, cracks, and clear-
ness.
d.
Check oil breather for
restricted vents.
e.
Check oil filter cap and
fitting for stripped threads.
Grounding Wires
90 Days
Visual
a.
Check wires for fraying.
and Post
b.
Check attaching nuts and
post for stripped threads.
c.
Check wire terminals,
nuts, and washers for
corrosion, and for security
of attachment.
Lubrication
90 Days
Visual
Check that all lubrication
Fittings
fittings are installed and
undamaged. See figure 4-2
for locat ion of
lubrication fittings.
Air Inlet
180 Days
Visual
a.
Check clamps for cracks
Silencer
and stripped threads.
b.
Check chain for worn or
broken links.
c.
Check flexible coupling
for tears, cuts, and wear.
Figure 4-4. Table of Periodic Inspection and Maintenance (Sheet 4 of 6)
4-6
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