Mainshaft Thrust Clearance
Adjustment
1.
Remove the 78 mm shim and oil guide plate from
the transm ission housing.
78mmSHIM
TRANSMISSION
HOUSING
OIL GUIDE PLATE
2.
Install the
3rd/
4th synchro
hub,
spacer
collar,
5th
synchro
hub,
spacer, and ball bearing on the main-
shaft, then install the above assembly in the
trans-
mission housing.
3.
Install th
e
washer on the
mainshaft.
4.
Measure distance
®
between the end of the trans-
m ission housing and washer.
NOTE:
•
Use a straight edge and vernier caliper.
•
Measure at three locations and average the read-
ing.
END 01
TRANSMISSION
HOUSING
3RD/4TH SYNCHRO HUB
5TH SYNCHRO HUB
13-64
MAINSHAFT
WASHER
TRANSMISSION
HOUSING
5.
Measure distance
@
between the end of the clutch
housing and bearing inner race
.
NOTE:
•
Use a
straight
edge and depth
gauge.
•
Measure at three locations and average the read-
ings.
END 01 CLUTCH HOUSING
®
INNER RACE of BALL BEARING
6.
Select the proper 76 mm shim from th
e
chan by
using the formula below.
Shim Selection Formula:
From the measurements you made in steps 4 and 5:
-1. Add distance
@
(step 5) to distance
<AI
(step 4).
-2.
From this
number,
subtract 0.93 (which is the
midpoint of the flex range of the clutch housing
bearing spring washer).
-3. Take this number and compare
it
to the
avail-
able shim sizes in the chart.
(For example)
A: 2.39
+
B:
0 .22
2.61
2.61
-
0.93
.
1.68
Try the 1.68 mm (0.0661 in)
shim.