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 TM9-2835-255-34
ACCESSORY GEARBOX CLEANING AND REPAIR (Sheet 12 of 40)
CAUTION
Gear assemblies are heavy and may be
slippery. Use both hands when handling
gear assemblies. Do not lift assemblies
by bearings. Damage to assemblies may
result.
3.
INSPECT SPUR GEARSHAFT NO. 9 (1).
NOTE
Damage found in steps a. through d. is
not allowed. If any damage is found,
replace AGB gears and bearings as re-
quired (page 7-60).
a.
Look at spur gear (2) and two bearings (3) for
cracks, chips or any red-purple, purple or
blue discoloration.
b.
Look at two bearings (3) for rust, broken
parts, pitting, spalling or dirt.
c.
Apply clean lubricating oil to bearings (3) and
hold gearshaft (1) horizontal. Slowly rotate
each bearing (3) by hand and feel for rough-
ness.
d.
Using four-power magnifying glass, check
gear teeth (4) for wear and corrosion.
e.
Clean minor corrosion on gear (2) by rubbing
with scouring pad. If corrosion cannot be re-
moved or if any other damage was found in
steps a. through d., replace gear and bear-
ings as required (page 7-60).
Go on to Sheet 13
7-57
Change 6
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