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6-16
GROUP
6-GENERAL TRANSMISSION SERVICE
16. Move the first and reverse
speed gearshift cam into first gear
position. Move the second and third
speed synchronizer sleeve to engage
the second speed gear clutch teeth.
17. Lower the output shaft assem-
bly through the top of the gear case,
fitting the first and reverse gearshift
fork into the selector groove of the
first and reverse sliding gear.
18. Move the first and reverse
speed gearshift cam into neutral
position, and move the second and
third speed gearshift cam into third
gear position. Push this cam back
against the inside of the gear case.
19. Fit the second and third speed
gearshift fork into the selector groove
of the second and third speed syn-
chronizer sleeve and roll it into
position in the second and third
speed cam. The fork must be fitted
so that the pad branded "T" can be
seen through the top of the gearbox.
(Fig. 28).
FIG. 28-0uput Shaft
Installation
FIG. 29-Fitting Taper
Pins
210. Push the second and third
speed gearshift camshaft inward and
fit the taper pin. (Fig. 29). Fit the
bearing retaining outside diameter
snap ring. Move second and third
speed synchronizer into neutral.
21. Fit the oil slinger, (assemble-
Fig. 31-with projection between
input gear teeth), input shaft bearing
with outside diameter snap ring, re-
taining ring, snap ring-Fig. 32-
and third speed blocker ring to the
input shaft. Select the snap ring to
FIG. 30-lnput Shaft
Rollers
FIG. 31-lnstalling Input
Shaft Bearing
keep the end float to a m1mmum
within the limits · 000 to · 004 inches.
22. Use grease to position fourteen
needle rollers in the input shaft. Fit
the input shaft assembly to the case.
(Fig. 12).
23. Use special tool 77047B to
press the bearing retainer oil seal into
the bearing retainer after coating the
oil seal outside diameter with gasket
cement. (See Fig. 20).
24. Use a light coating of grease to
position the bearing retainer gasket,
and fit the bearing retainer with three
bolts and lockwashers, tightening the
bolts to 20 to 25 lb. ft. torque. (Fig.
33) (Use sealer on bolt threads).
25. Bring the cluster gear into
mesh by carefully turning the gear-
box upside down and allowing the
cluster gear to drop into place. It
may be necessary to rotate the input
shaft to ensure proper meshing of
the gears.
26. Using the countershaft, (Fig.
34), drive out the dummy shaft from
the rear of the case until the locking
plate slot in the countershaft is flush
with the outside rear face of the case.
The slots in the countershaft and the
reverse idler shaft must be parallel
and adjacent.
27. Fit the locking plate to the
countershaft and reverse idler shaft,
tapping to bring the plate against the
case (Fig. 10).
28. Fit the speedometer gear re-
taining ball to the mainshaft and
slide on the speedometer gear. Fit
the snap ring.
FIG. 32-lnput Shaft Assembly
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