INSTALLATION - TM-10-3930-644-14-P0298

TM 10-3930-644-14&P

used to indicate correct alignment of forward clutch

ring holding cylinder and assembled parts in

cylinder with the piston. These etched marks are not

place. (See Figure 3-1.)

always visible. If etched marks can not be located and

identified, either punch or scribe marks on the cylinders

3. Turn the drum assembly over and install the

and pistons to ensure proper alignment during assembly.

springs, drive clutch, piston, seal rings and the

front cylinder.

1. Place the drum assembly in an arbor press.

Then apply pressure on the turbine shaft until

4. Place the entire assembly in an arbor press.

the cylinder is depressed enough to remove the

Apply pressure on the turbine shaft, making sure

large snap ring from the drum (Figure 3-1).

cylinder does not bind in the drum or on the

dowel pins. Install the large snap ring holding

2. Slowly release the pressure on arbor

press and

the front cylinder in place and when properly

remove the cylinder, making sure it

is kept in

seated, release pressure in the arbor press.

alignment to prevent binding in the

drum. If

cylinder binds in drum, tap lightly with

a rawhide

D. INSTALLATION

hammer until it is released.

1. Slide the converter housing on the turbine shaft

3. Remove piston, drive clutch, and springs.

and replace the retaining snap ring.

Ensure that piston ring is not damaged or

binding.

2. Attach a hoisting chain to the converter housing

and then maneuver housing so that turbine shaft

4. Turn drum over and remove snap ring, cylinder,

will be properly engaged as the drum and

piston and drive clutch.

housing are reattached to transmission gear

case. (See Figure 1-5).

5. Examine all parts for wear or damage. Should

excessive wear or score marks be evident on

CAUTION:

drive clutches, pistons or drum, they should be

Take care not to damage the seal

replaced. Check piston rings, making sure they

rings in the stator support on gear

are free in piston groove.

case during reassembly.

C. REASSEMBLY

Install securing capscrews and tighten.

1. Check etched or scribed marks on pistons and

3. Install new gasket, then align previously made

cylinders.

Align marks before assembling

marks and replace the stator support and pump

clutches.

on the turbine shaft. Secure with mounting

capscrews.

2. Install the reverse drive clutch, piston, seal rings,

and rear cylinder. Make sure that the rear

4. Refer to TRANSMISSION INSTALLATION for

cylinder and the piston do not bind in the drum

CONVERTER

and

TRANSMISSION

or on dowel pins. Install large snap

INSTALLATION procedure.

R-171-1

3-128