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4-36
TRAN SM ISSIO N
CLUTCH, TRANSMISSION,
UN IVERSAL JOINT
(164)
Figure
4
-50-Removing Main
Shaft Ass em b ly
8. Remove synchronizing clutch and second
sp
eed
sliding gear from main shaft. Remove
snap ring,
thrust
washer, and second speed
gear, using Remover J 1019 on
snap
ring. See
figure 4-51.
Figure 4-51 -
Removing Snap Ring
from Main
Shaft
9.
Remove
shifter yokes
'
and
shafts,
using
care to prevent poppet balls from jumping out,
then
remove
poppet
ball and springs. P
opp et
balls
are
under rear end of short shaft and
under
front
end of long shaft. Selector
shaft
must be moved so that
interlock
is clear of
each shaft as it is
removed.
10. Remove
set
screws from shifter levers
on
select or
shaft
.
Remove second
and third
speed
int er lock r
etainer f
rom groove in r
ight
end
of
selector
shaft.
Remove first and
reverse
int erl ock pin from case.
11.
Remove
shift lev
er
and lock washer from
left end of
selector
shaft, then
drive
shaft out
through right
side
of
transmission
case, using
babbit
hammer. The welsh
plug in right side
of ca
se
will
be
driven
out by
shaft.
Do not let
shifter levers
and
interlock dr op into
case.
12. Remo ve
selector
lever
and
shaft,
spr ing
wa
sh er,
flat washer and
oil
seal from
trans-
mission cas
e.
13. Drive
counter gear
shaft lock into the
shaft, then
drive shaft
out
through rear end of
transmission
case, using Bearing Loader J 1001
and
babbit
hammer.
Make
sure
that bearing
loa der follows the shaft
closely
so that
counter
gear bearings
and thrust
washers
will be
held
in
place.
Allow
counter gear
to r
est
on bottom
of cas
e.
14.
Remove the snap ring from main
drive
gear bearing and tap
drive gear
and bearing
assembly
toward rear of transmission case to
remove
it.
15.
Carefully raise counter gear
out of case so
that
bearing
loader and counter
gear
bearings
will
not fa
ll out.
Remove all thrust washers.
16. Drive r
everse
idler gear shaft lock
into
the
shaft, then remove
shaft,
idler
gear
and
thrust
washers.
17. Disassemble
main
drive
gear if any parts
are to
be
r
eplaced.
Remove oil seal, retainer
(snap ring),
washer.rand
oil slinger from drive
gear,
then remove
bearing
by
jarring
shaft on
block
of wood or lead. Remove main shaft pilot
roller
bearing
by
removing retainer
(snap ring)
and retainer
washer.
4-32 CLEANING AND INSPECTION OF
TRANSMISSION PARTS
a
.
Bearings
Clean
and
in
sp ect all
ball
and r
oller
bearings
as
described under Bea ring Ser vice (par.
1-13
& 1-14 ).
b. Cleaning Parts
Other Than
Bearings
Th
or oughly clean
all parts
except
bear ings
and
r
ubber
mountin gs
in
clean gasoline, kero-
sen e,
or ot he r
solvent
and wipe dry with clean
cloths .
c. Gears and Shafts
Carefully inspect teeth and ot
her ground
sur -
faces of a
ll gear s
for
wear, scoring,
pit t ing,
chips,
nicks ,
and
burrs.
Do not
con
f use
manu-
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