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Page Title: PLANETARY GEARING, SHAFTS, AND THIRD CLUTCH REPAIR (CONT)
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TM 9-2320-360-34-2
c. Cleaning/Inspection
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and
gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and don't breathe vapors. DO NOT use near open flame or excessive heat.
The flash point is 100-138 F (38-69 C). If you become dizzy while using cleaning
solvent, get fresh air immediately and medical aid. If contact with eyes Is made,
wash your eyes with water and get medical aid immediately.
(1) Clean metal parts with dry cleaning solvent.
WARNING
Compressed air for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with effective chip guarding and personal protective equipment (goggles/shield,
gloves, etc.).
(2) Dry metal parts with compressed air.
NOTE
All planetary gears in a carrier assembly are replaced as a set.
(3) Inspect  parts  for
damage.
Replace
damaged parts.
(4) Inspect  friction  clutch  plates  (internal
splined  plates)  for  embedded  metal
particles,  severely  pitted  faces,  loose
fittings, excessive wear, cracks, distortion,
and damaged spline teeth.
Replace
clutch plates if any other defects are
found.
(5) Inspect  steel  clutch  plates  (external-
tanged  plates)  for  burrs,  scoring,
embedded metal particles, severely pitted
faces, galling, excessive wear, cracks,
and distortion.  Remove burrs and minor
surface defects using soft stone. Replace
clutch  plates  which  have  any  other
defects.
(6) Measure individual clutch plate thickness
and cone.  The amount of cone is the
distance between the inside diameter and
level surface.
(a) Steel clutch plate (color-coded red):
Minimum thickness 0.0933 in. (2.37
mm) Maximum cone 0.013 in. (0.33
mm)
(b) Steel  clutch  plate  (color-coded
green): Minimum thickness 0.1161
in.
(2.949 mm) Maximum cone
0.013 in. (0.33 mm)
(c) Friction plate:  Minimum thickness
0.1347 in.  (3.420 mm) Maximum
depth of oil grooves 0.008 in. (0.20
mm)
Change 3 22-89

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