Reverse and Third Clutch Reassembly

TM 10-3930-634-34

clutch pack in opposite end of clutch drum (28).

(2) Position spring retainer (16), return spring

(6) On the splined end of drum shaft (28) install

(15), retainer (14) and retaining ring (13) over drum

bearing (17). Drive the bearing with a mallet and brass

shaft (24). Compress the return spring (15) as shown in

sleeve against the inner race as shown in figure 4-55,

figure 4-52, D, and seat the retaining ring (13, fig.

A, until the bearing is seated against shoulder of shaft.

4-51) in proper groove on shaft.

Slide spacer (16, fig. 4-50) over shaft and against bear-

(3) Install locating retaining ring (12) into groove

ing(17).

of shaft next to retaining ring (13).

(7) Install retaining rings (14) into grooves in hub

(4) Position large diameter end first of inner cone

of gear (12).

and rollers for bearing assembly (10) over end of drum

(8) Install the seal ring (15) into inner groove of

shaft (24). Drive with mallet and brass sleeve as shown

protruding hub on gear (12).

in figure 4-55, A, until bearing is seated against re-

taining ring (12, fig. 4-51).

(9) Carefully position the gear (12), protruding

(5) Install the two retaining rings of bearing as-

end first, over the drum shaft, engaging splines of

inner discs (23) and seating on bearing (17).

sembly (10) into low gear (9). Press the bearing cups

into each end of the gear, with thick end of each cup

(10) Position bearing (13) over drum shaft with

seating against the retaining rings.

shielded side of bearing facing away from clutch

(6) Install the seal ring (11) into inner groove of

assembly. Drive the bearing with a mallet and brass

protruding hub on gear (9).

sleeve against the inner race, as shown in figure 4-55,

(7) Install one outer disc (20) and one inner disc

B, until the bearing is seated against retaining ring

(19). Alternate outer and inner discs until proper num-

(14, fig. 4-50) in gear (12).

ber have been installed (nine of each disc).

(11) Install bearing (11) over shaft with retaining

(8) Install end plate (18) and retaining ring (17).

ring end toward gear (12).

(9) CarefuIly position the low gear (9), protruding

(12) On the grooved end of drum shaft (28) install

inner bearing (10). Drive the bearing with a mallet and

end first, over the drum shaft, engaging splines of in-

ner discs (19) and seating on the inner cone and rollers

brass sleeve against the inner race, as shown in figure

4-55, A, until the bearing is seated against shoulder of

of bearing assembly (10).

(10) Position the outer cone and rollers of bearing

shaft.

assembly (10), small diameter first, over the drum

(13) Install two retaining rings (8, fig. 4-50) and

shaft (24). Drive with mallet and brass sleeve as shown

seal ring (9) in grooves provided in bore of gear (6).

in figure 4-55, B, until bearing is seated into bearing

(14) Carefully position gear (6), splined end first,

cup. Install retaining ring (8, fig. 4-51).

over the drum shaft, engaging splines of inner discs

(11) Position shouldered end first of inner race of

(23) and seating on bearing (10). The outer race of

bearing (7) over drum shaft (24). Drive with mallet and

bearing (10) must seat against inner retaining ring (8).

brass sleeve as shown in figure 4-55, C until race is

(15) Position bearing (7) over drum shaft with

seated against retaining ring (8, fig. 4-51).

shielded side of bearing facing away from clutch

(12) Press outer race of bearing (7) into transmis-

assembly. Drive the bearing with a mallet and brass

sion case in proper bore for the low clutch pack.

sleeve against inner race, as shown in figure 4-55, B,

(13) If removed, press pilot bearing (4) into end of

until the bearing is seated against outer retaining ring

drum shaft (24).

(8, fig. 4-50).

(14) Install two seal rings (6) on rear of drum shaft

(16) Install retaining ring (4) and front bearing (5)

(24).

on drum shaft. Drive the bearing with a mallet and

brass sleeve as shown in figure 4-55, C.

r. Reverse and Third Clutch Reassembly.

(17) Install outer retaining ring (4, fig. 4-50) and

(1) Starting with one end of the clutch, position

three seal rings (3).

new seal rings (26 and 27, fig. 4-50) into grooves of

piston (25). Insert piston (25) into drum using care not

s. Fourth Speed Clutch Reassembly.

(1) Install retaining ring (22, fig. 4-48) in groove

to damage the seal rings.

(2) Position return spring (20), retainer (19) and

on large diameter of shaft (23).

retaining ring (18) over drum shaft. Compress the re-

(2) Install clutch drum and hub (21) over splined

turn spring (20) as shown in figure 4-52, D and seat

end of shaft (23) and seat recess in hub against retain-

the retaining ring (18, fig. 4-50) in proper groove on

ing ring (22).

shaft.

(3) Install gear (20) over splined end of shaft (23)

(3) Install one outer disc (24) and one inner disc

with protruding hub facing away from drum and hub

(23). Alternate outer and inner discs until six of each

(21).

disc have been installed.

(4) Press bearing assembly (19) onto shaft against

(4) Install end plate (22) and retaining ring (21).

gear (20). The retaining ring groove on outer race of

(5) Repeat (1) through (4) above for identical

bearing must face away from the gear (20).

4-23