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196
PLYMOUTH SERVICE MANUAl.
3. DISASSEMBLY OF TRANSMISSION.
1940'-42-Refer to figures 1 and
2.
( 1 )
Remove speedometer drive pinion.
'
( 2)
Remove screws
( 24), remove
cover and gear selector assembly, roll trans-
mission over and remove balls ( 2 ) .
(3)
Using puller C-452, remove main-
shaft flange and brake dmm assembly.
( 4)
Remove shifter fork guide rail ( 1).
( 5)
With transmission gears in neutral
position, remove lock screws ( 8 and 9) in
shift forks.
( 6)
Remove plug ( 6) for lower shifter
rail.
( 7)
Remove upper and lower shifter
rails by sliding them out through the front
ofthe case.
( 8)
Lift out shifter forks ( 4) and ( 5).
(9)
Remove extension (46) and main-
shaft assembly.
CAUTION
Handle extension careiuily to
prevent disassembling synchron-
izer clutch assembly.
( 1 0)
Remove synchronizer retaining
snap ring ( 36) synchronizer unit, second
speed gear (57) and low speed gear ( 64).
( 11)
Remove rear bearing snap ring
( 42) and pull mainshaft out of extension.
( 12)
Remove mainshaft bearing,
spacer and speedometer drive gear.
( 13)
Remove mainshaft bearing and
oil seal from extension with puller C-497
(fig. 3).
( 14)
Using arbor C-578, drive counter-
shaft ( 6 7) toward rear and out of trans-
mission case. Pick key ( 66) out of shaft as
soon as shaft has moved far enough to un-
cover key. Leave arbor in countershaft gear
set to keep bearing rollers in place.
( 15)
Remove main drive pinion and
bearing assembly.
(16)
Remove snap ring ( 3 5 ) from
rear end of drive pinion shaft and pick out
bearing rollers. Remove drive pinion bear-
ing snap ring (29) and bearing.
( 1 7)
Lift countershaft gear set out of
case.
( 18)
Using arbor C-464, drive reverse
idler gear shaft ( 7 3) toward rear of case.
Pick key ( 72) out of keyway in shaft, as
• soon as it can be reached, finish driving out
shaft and lift out reverse idler gear and
bearing assembly.
4. ASSEMBLY OF TRANSMISSION.
1940-42
( 1 )
When assembling, use new gaskets,.
oil seals and snap rings and be sure snap
rings are fitted carefully into their grooves.
( 2 )
Place countershaft gear thrust
washer plates (steel) next to bearing rollers
and thrust washers (bronze) next to trans-
mission case, selecting proper washers to
give countershaft gear end play of .002 to
.008 inch.
1-Puller
C-497
2-lnstalling drift
C-579
Figure
3-Removing or Installing
Mainshaft Rear
Bearing
Oil
Seal ( 1940-42 Models)
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