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4.
Remove three shift fork pins (5). A small magnet is useful
in freeing the fork pins (5).
5.
Slide shifter drum (7) away from access door, through
shifter forks. The neutral switch pin prevents removal in
the other direction.
6.
Remove shift forks (1, 2 and 3).
CLEANING, INSPECTION
AND REPAIR
1.
See
Figure 6-17.
Clean all parts except bearings (19, 20)
with solvent.
2.
Inspect bearings (19, 20) and shifter drum ends. If ends
of shifter drum are pitted or grooved, replace the shifter
drum and bearings. If replacing bearings, see
DOOR BEARINGS
on
page
3.
Inspect shifter drum (7) for cracks or wear. Replace if
necessary.
ASSEMBLY
1.
See
Figure 6-18
for shifter fork identification. See
6-17.
Lubricate the shaft bore in fork (1) with SPORT-
TRANS FLUID. Place 3rd and 5th gear shifter fork (1) in
the fork groove of mainshaft 2nd gear. Be sure the flat
side of fork is facing the access cover.
b0155x6x
4th gear
1st and
2nd gear
Figure 6-18. Shifter Fork Identification
2.
Lubricate the shaft bore in fork (2) with SPORT-TRANS
FLUID. Place 1st and 2nd gear shifter fork (2) in the fork
groove of countershaft 3rd gear. Be sure the flat side of
fork is facing away from the access door.
3.
Lubricate the shaft bore in fork (3) with SPORT-TRANS
FLUID. Place 4th gear shifter fork (3) in the fork groove of
mainshaft 1st gear. Be sure the flat side of fork is facing
away from the access door.
4.
See
Figure 6-17.
Position the shifter drum shaft so that
the neutral indicator switch activator pin (6) is upward.
The shaft is then in the neutral position. Insert the pin
end of drum shaft (7) through the hubs of shifter forks (1,
2 and 3) and through the bearing in access cover.
www.PlanDeGraissage.org
ACCESS
6-28.
Figure
3rd and
5th gear
7
11
8
10
9
5
6
4
5
3
2
1
1.
Bowed snap ring
2.
Plate, detent
3.
Screw, detent
4.
Spring
Figure 6-19. Detent Plate Mounting
5.
Align the hole through the top of each shifter fork with the
appropriate cam groove in the shifter drum. Lubricate
pins (5) with SPORT-TRANS FLUID. Drop pins (5)
through the holes in shifter forks. With a small screw-
driver press on the pins while manipulating the forks back
and forth until the pin seats in the drum groove. Secure
pins in place with new cotter pins (4).
CAUTION
The cotter pins must be inserted through the shifter forks
as shown in the inset of
Figure 6-17
damage to cotter pins (4).
6.
At the inside of the access door, place the shifter drum
plate (7) in the groove of the drum shaft. See inset
6-19.
Take care to correctly align the drum plates (7) and
(8) with the pin pressed in the drum plate. Take detent
screw (3) and insert it through detent arm (5), access
door, shift drum plate (7), drum reinforcement plate (8),
and washer (9). Thread nut (10) on detent screw and
tighten to 13-17 ft-lbs (18-23 Nm).
b0154x6x
b0156x6x
8
7
9
10
5.
Casting, detent
6.
Post
7.
Plate, shifter drum
8.
Plate, reinforcing
9.
Washer
10. Nut
11. Pin
to prevent possible
Figure
6-19
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