FOURTH CLUTCH REPAIR (CONT) -726030231

TM 9-2320-360-34-2

22-10. FOURTH CLUTCH REPAIR (CONT)

b. 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 Hash point is 100-138 F (38-59 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 and inspect for damage. Replace damaged parts.

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.

(3) 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.

(4) 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.

(5) Measure individual clutch plate thickness by

measuring amount of 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)

in. (3.420 mm) Maximum depth of oil

grooves 0.008 in. (0.20 mm)

(d) Backplate minimum thickness 0.490 in.

(12.45 mm)

22-54