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Reverse and Third Clutch Reassembly
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TM-10-3930-634-34 Truck Lift Fork; Diesel Engine Pneumatic Tired Wheels Rough Terrain 6 000 Lb. Capacity 24 Load Center Anthony Model MIT 6-2 Manual
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Figure 4-33.Input shaft flange, removal and installation
TM 10-3930-634-34
necessary to tap the gear with a rawhide mallet as
(5) Install seal rings (17 and 18) in grooves of
shown in figure 4-57, B, to seat the gear properly.
piston (16) and carefully install piston in drum and
(9) Position outer bearing (8, fig, 4-46) over drum
hub (21).
shaft with shielded side of bearing facing away from
(6) Position return spring (10), retainer (9) and re-
clutch assembly. Drive the bearing with mallet and
taining ring (8) over shaft (23). Compress the return
brass sleeve against the inner race as shown in figure
spring (10) as shown in figure 4-52, D, and seat retain-
4-57, C.
ing ring (8, fig. 4-48) in proper groove on shaft.
(10) Install retaining ring (5, fig. 4-46) on drum
(7) Install one outer disc (15) and one inner disc
shaft.
(14). Alternate outer and inner discs until six of each
(11) Install bearing (3) on drum shaft as shown in
type are installed.
(8) Position inner bearing (6) over shaft (23).
(12) Install retaining ring (2) and seal rings (1) on
Drive the bearing with mallet and brass sleeve against
end of shaft.
inner race as shown in figure 4-56, A. Seat the bearing
against retaining ring (8, fig. 4-48). Install spacer (7)
(13) Install front bearing retaining ring (4) in
front cover housing (fig. 4-34, C).
next to bearing (6).
u. Front Cover and Tubes Reassembly. Reassemble
(9) Position seal ring (11) in groove inside splined
the front cover in reverse of instructions for disassem-
end of gear (5).
bly, (e above).
(10) Carefully install gear (5), splined end first,
v. Reassembly of Sub-Assemblies.
over shaft (23), engaging splines of inner discs (14).
(1) Install items (1 through 9, fig. 4-44) into
Seat gear on inner bearing (6).
transmission case in reverse of numerical sequence
(11) Position outer bearing (6) over shaft (23).
shown.
Drive the bearing with mallet and brass sleeve against
(2) Figure 4-58, A, provides a typical view of an
inner sleeve as shown in figure 4-56, B. Seat the bear-
assembled output shaft with gear, spacer and tapered
ing into the gear (5, fig. 4-48). Install inner retaining
roller bearing as they would be assembled in the trans-
ring (3).
mission case.
(12) Position front bearing (4) over shaft (23).
(3) Preassemble shaft (34, fig. 4-42), pilot bush-
Drive bearing with mallet and brass sleeve against in-
ing (33), bearing cone (31) and spacer (32).
ner sleeve as shown in figure 4-56, C. Seat the bearing
(4) Position output gear (29) in transmission case
against retaining ring (3, fig. 4-48).
with protruding hub toward front cover end of case.
(13) Install outer retaining ring (3) and three seal
(5) Insert preassembled output shaft (34) into the
rings (2).
front of the case and through output gear.
t. Forward and Second Clutch Reassembly.
(6) Install front bearing cup (30).
(1) Starting with one end of clutch, position new
(7) Block the output shaft assembly (34) and
seal rings (20 and 21, fig. 4-46) into grooves of piston
install bearing cone (28) with large diameter of bearing
(19). Insert piston (19) into clutch drum, using care not
toward the interior of the transmission as shown in.
to damage the seal rings.
figure 4-58, B, Install rear bearing cup (27, fig. 4-42).
(2) Position return spring (14), retainer (13) and
(8) Using new preformed packings (25 and 26) in-
retaining ring (12) over drum shaft. Compress the
stall bearing cap (24). Lubrication opening in the
return spring (14) as shown in figure 4-47, D, and seat
bearing cap must be alined with lubrication opening in
retaining ring (12, fig. 4-46) in proper groove on shaft.
the transmission case.
(3) Install one outer disc (18) and one inner disc
(9) Install screws (22) with lockwashers (23).
(17), Alternate outer and inner discs until six of each
Tighten screws to 86 lb-ft of torque.
type have been installed.
(10) Temporarily install disconnect housing (7);
(4) Install end plate (16) and retaining ring (15).
torque screws (5) to 86 lb-ft and rock the output shaft
(5) Repeat steps (1) through (4) above for identical
to seat both the front and rear taper roller bearings.
clutch pack in opposite end of clutch drum and shaft
(11) Using an inch-pound torque wrench with
(22).
splined adapter as shown in figure 4-58, C, determine
(6) Position inner bearing (10) over grooved end of
the rolling torque of the output shaft and record.
drum shaft (22). Drive the bearing with a mallet and
(12) Loosen screws (5, fig. 4-42) and repeat (11)
brass sleeve against the inner race a shown in figure
above. Desired operational rolling torque of output
4-57, A. Seat the bearing against shoulder on shaft.
shaft is 6 to 8 lb-in more than reading recorded with
(7) Install retaining rings (9 and 11, fig. 4-46) and
screws loose. Compare the two recorded readings and
seal ring (7) in gear (6).
select shims (9) to provide desired rolling torque with
(8) Carefully position the gear (6), protruding end
screw torqued to 86 lb-ft. Remove the disconnect
first, over the drum shaft, engaging splines of inner
housing (7) and set selected shims (9) aside.
discs (17) and seating on bearing (10). It may be
4-24

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