DISASSEMBLY - TM-10-3930-644-14-P0289

TM 10-3930-644-14&P

7. Attach a lifting chain and hoist to transmission.

Remove transmission mount hardware and lift

transmission from truck.

CAUTION

Ensure that all attachments to

transmission assembly that could

hinder

removal,

have

been

disconnected and secured out of the

way.

D. DISASSEMBLY

After transmission is removed from truck, place on a

suitable work area, and proceed as follows for complete

disassembly:

Figure 1-5. Removing Housing and Drum

1. Carefully clean exterior of transmission

a chain to the housing and remove housing and

prevent contamination of system.

drum assembly as a, unit, taking care not to

damage the seal rings in collector ring on gear

2. Disconnect tube

from

control

valve

and

case.

convertor housing.

6. To remove the converter housing from the drum,

3. Remove capscrews from valve block, and

remove the snap ring on the turbine shaft and

remove from transmission. Cover opening to

slide housing from drum assembly. Bearing will

avoid contamination. See Figure 1-3.

remain in housing. (Figure 1-6.)

4. Slide converter off turbine shaft. Then mark the

7. Remove for ward gear and shaft:

pump and the housing to ensure the proper

reinstallation, and remove capscrews holding

a. Remove capscrews and lockwashers

the pump and collector ring to converter

holding cap to housing and remove cap.

housing. It may be necessary to tap the pump

assembly with a rawhide hammer to free it from

b. Remove inner snap ring from the splined

the gasket. (See Figure 1-4.)

section of the forward

Figure 1-4. Pump Removal

Figure 1-6. Removing Clutch Drum from

Converter Housing.

5. Lay the transmission on the gear case side as

shown in Figure 1-5. Remove capscrews which

mount the converter housing to the gear case.

Then, attach

R-171-1

3-119