Section IV. CONVERTER HOUSING ASSEMBLY AND CONVERTER GROUND SLEEVE ASSEMBLY-REPAIR

TM 9-2520-249-34& P

Section III. CONVERTER DIAPHRAGM ASSEMBLY-REPAIR

7-16. Inspection and Repair

7-13.

Description

Refer to paragraph 5-3 for inspection and repair

(FO-3)

recommendations.

Converter seal diaphragm (90) is mainly a sealing

component separating the converter section from the

7-17. Repair Standards

part of the transmission behind it. Its outside diameter

There are no wearing points on the diaphragm, thus no

seals at converter housing (60) and the inside diameter

repair standards.

seals around the hub of spur gear (87).

7-18. Assembly

7-14. Disassembly

(FO-3)

If oil seal (92) was removed for replacement, install a

Remove oil seal (92) from center of diaphragm (90) for

new seal, spring side first, into diaphragm (90). Press or

replacement only.

tap the seal lightly until it is firmly seated in the

7-15. Cleaning

diaphragm.

Refer to paragraph 5-2 for cleaning recommendations.

Section IV. CONVERTER HOUSING ASSEMBLY AND CONVERTER GROUND SLEEVE ASSEMBLY-REPAIR

7-21. Cleaning

7-19.

Description

Refer to paragraph 5-2 for cleaning recommendations.

(FO-3)

Refer to paragraph 2-3 for description and function of

7-22. Inspection and Repair

converter housing assembly (51). Converter ground

Refer to paragraph 5-3 for inspection and repair

sleeve assembly (43) has passages for oil flow to and

recommendations.

from the converter. In addition to being a reaction

7-23. Repair Standards

member for the stator when it is multiplying torque, the

a. Refer to paragraph 5-4 for explanation of

ground sleeve provides a mounting surface for ball

repair standards.

bearing (99).

b. Refer to repair standards (table 7-3).

7-20. Disassembly

7-24. Assembly

(FO-3)

(FO -3)

a. Do not remove converter ground sleeve

a. If converter ground sleeve assembly (43)

assembly (43) from converter housing (60) except for

was removed for replacement, chill a new ground sleeve

replacement.

assembly in dry ice for at least 4 hours. Press the

b. Do not remove pins (46) from ground

sleeve in from the rear of housing (60), in position to line

sleeve (45) except for replacement.

up all holes, until it bottoms. Install five bolts (83) and

c. Do not remove insert (44) from ground

five plain washers (82). Tighten the bolts to 41 to 49

sleeve (45) except for replacement.

pound fett torque.

d. Do not remove plugs (52, 63 and 67)

b. If pins (46) were removed, drive new pins

except for replacement or to aid in cleaning housing

into sleeve (45) and stake sleeve metal over them.

(60).

c. If ground sleeve insert (44) was removed

e. Do not remove two dowel pins (59) except

from sleeve (45), press a new insert in until it bottoms in

for replacement.

sleeve (45).

Do not remove threaded inserts (53, 56,

CAUTION

58, 61 and 65), or their retainer pins (54, 53, 57, 62, and

The hole in insert must aline with the hole in

64), or plug (66) except for replacement. To remove,

the sleeve.

carefully drill the pin out and screw the insert out.

d. If the output pump check valve assembly

g. Do not remove output pump check valve

was removed from housing (60), install valve guide (69),

assembly from the housing, except for replacement.

large diameter end first, into the housing.

For replacement, remove valve seat (72), valve (71),

spring (70) and guide (69) from housing (60).

7-5