Table of Contents

Advertisement

83 TRANSMISSION
SPECIFICATIONS
GEAR RATIOS
Low
Second
High
Reverse
SNAP RING THICKNESS
Main Drive Gear Bearing
Main Drive Gear
.087", .090", .093", .096" and .103"
Mainshaft Bearing Rear
Mainshaft Rear Bearing
.087", .090", .093" and .096"
INTERLOCK SLEEVES
MARKING
"A"
"B"
"C"
"D"
No Marking
LUBRICATION
Transmission - 1-1/2 Pts.
S.A.E. - 90 Summer
S.A.E. - 80 Winter
CONSTRUCTION
The transmission is of the all-helical gear type
with synchro-mesh second and high gears.
The rear of the main drive gear is supported by a
ball bearing mounted in the transmission case and the
front end pilots in a bronze bushing. The front end of
the main-shaft operates in rollers carried in the main
drive gear and the rear end of the main-shaft is sup-
ported by a ball bearing mounted in the case. Oil
retention is by means of a hydraulic leather oil seal in
SECTION 8
TRANSMISSION
the rear bearing retainer.
reverse idler gear operate on their shafts through
precision fitted, bronze alloy bushings. The coun-
2.605:1
tershaft gear cluster operates on the stationary
1.630:1
countershaft through needle rollers at each end
1.000:1
held in position by a spacer tube and washers.
3.536:1
Countershaft gear cluster end thrust is taken by a
single stationary, bronze faced thrust washer at
the front and by a rotating bronze washer and a
stationary steel washer at the rear.
.073" and .076"
inside and actuating levers on the outside, operate
.073" and .076"
the low and reverse and second and high gears
through forks and an interlock arrangement com-
mon to both shafts. Separate rubber mounted rods
connect the outer shift shaft levers to the levers on
LENGTH
the transmission control
1.295"
1.291"
clutch housing with four bolts passing through
1.287"
lugs on the transmission case from the rear into
1.303"
the clutch housing. This simplifies transmission
1.299"
removal and replacement since the clutch hous-
ing and floor cover do not have to be disturbed.
tions the transmission in a machined locating hole
in the clutch housing.
ing in the front of the cover and two holes in the
rear of the gasket, which is held away from the
cover at the center by a depression stamped in the
cover.

REMOVAL

1. Drain transmission lubricant.
2. Disconnect the universal joint at the rear axle
The main-shaft second speed gear and the
Separate shift shafts with integral cams on the
The transmission is mounted at the front on the
The main drive gear be a r i n g retainer posi-
Breathing or venting is through a small open-
companion flange, push propeller shaft f o r
ward to release bearing cups from seats in
companion flange, then pull propeller shaft
rear-ward to release the sleeve yoke from the

Advertisement

Table of Contents
loading

Table of Contents