TM-9-2320-285-24-2

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-2 - Page 548 of 698

TM 9-2320-285-24-2

4-4.

TRANSMISSION (CONT)

e. Third Clutch, Center Support, and Second Clutch Assemblies (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

REASSEMBLY (cont)

9

Support (8)

a

Piston (17)

Install

b

New oil filter

Install

Closed end of cone first.

(14) and new

Be sure ring seal (15)

ring seal (15)

seats against shoulder

of bushing and center

support (28)

INSTALLATION

NOTE

Before final installation, measurement must be taken to determine correct snap ring (7) to be used Also,

second

clutch clearance must be checked To do these, remaining assemblies must be removed from transmission housing.

10

Transmis-

a

First clutch

Remove

Para 4-4f

sion

assembly

b

Governor and

Remove

Para 4-4k

rear cover

assembly

c

Low planetary,

Remove

Para 4-4g

low clutch,

and adapter

housing as-

semblies

d

Plate (13)

Install

Transmission positioned torque

converter end up

e

Three new discs

Install

Soak new discs (11) in trans-

(11) and

mission fluid for at least

three plates

two minutes first.

Install

(12)

alternately, as shown in

exploded view

f.

Internal snap

Install

ring (10)

4-67