FIFTH CLUTCH REPAIR (CONT) -726030226

TM 9-2320-360-34-2

(8) Turn piston ( 1) over. Remove seal rings (12

and 13) from piston (11). Discard seal rings.

(9) Record piston identification letter (X, Y, or Z)

found on bottom side of piston (11).

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 (38-59 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. Repl ace 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) Measure piston release spring lengths using

spring tester (1). Replace piston release springs

if any 3 of each set of 20 do not meet the

following load-height requirements:

(a) Length without load must be at least 1.25

in. (31.8 mm).

(b) Length under load must be at least 0.88

in. (22.4 mm) with a load of 17.9-18.9 lb

(8.1-8.6 kg)

(4) 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) Friction plate: Minimum thickness 0.0993

in. (2.522 mm)

(b) Steel clutch plate: Minimum thickness

0.090 in. (2.29 mm)

(9.91 mm)

22-49