FOUR
SPEED
MUNCIE
MANUAL
TRANSMISSION
7D-7
MAJOR
REPAIRS
TRANSMISSION-REMOVE
1. Remove
drain
plug
at bottom of transmission
and
drain
lubricant.
2. Disconnect the speedometer cable from speed-
ometer driven gear fitting and disconnect back-up
light leads from back-up light switch.
3.
Disconnect shift control rods from shifter
levers. Remove two levers and bracket to extension
support screws and remove manual shift lever and
bracket.
4. Remove propeller shaft drive line assembly:
a.
Remove U-bolt nuts, lock plates and U-bolts
from
rear
axle drive pinion flange.
b. Use rubber band to hold bearing
onto
jour-
nals,
if the wire has been removed, to prevent
loss
of
needle
bearings when
rear
joint is disconnected.
c. Remove complete drive line assembly by
sliding
rearward
to
disengage
yoke from splines
on transmission mainshaft.
5. Support
rear
of engine and remove two trans-
mission extension insulator to cross member support
retaining
bolts (see Section 6).
6. Remove the two top transmission to clutch
housing bolts and insert two transmission aligning
studs J 1126 in
these
holes.
NOTE:
The use of two aligning studs
during
this
operation
will
support the transmission and
pre-
vent damage to the clutch
disc
through springing.
7. Remove the two lower transmission to clutch
housing bolts.
8.
Tilt
rear
of extension upward to
disengage
bracket
studs from cross member support and with-
draw
transmission from clutch housing.
9. Remove the transmission.
TRANSMISSION-DISASSEMBLE
1. Remove transmission side cover assembly from
transmission
case.
NOTE:
If
cover
assembly is to be disassembled
for
inspection or replacement of worn
parts,
fol-
low
procedures 2 through 8 under
TRANSMISSION
SIDE
COVER
-
REMOVE
AND
DISASSEMBLE,
page
70-4.
3.
Remove four bolts from front bearing retainer
and
remove retainer and gasket.
4. Remove the main drive gear retaining nut (Fig.
7D-9),
using tool J 933 after locking up transmis-
sion by shifting into two gears.
Fig.
7D-9
Removing
Main
Drive
Gear
Retaining
Nut
NOTE:
Nut has left hand threads.
5. With transmission gears in neutral, drive lock
pin
from bottom side of reverse shifter lever
boss
and
pull shaft out about 1/8".
This
disengages
the
reverse shift fork from reverse gear (Fig. 7D-10).
2. Remove insulator assembly from transmission
rear
extension.
Fig.
7D-10
Removing
Reverse
Shifter
Shaft
Lock
Pin
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