SECTION 7
TRANSMISSION
grooves .
7-20. CLEANING AND INSPECTION.
7-34. Check
all
capscrews
and
bolts
for
a. Clean all parts in solvent and blow them
tightness.
dry with compressed air.
7-35. Read and observe the following assembly
b . Inspect the clutch friction discs and
instructions.
separator plates for excessive wear. Replace
them if badly worn.
R E A S S E M B L Y OF FORWARD AND
7-36.
REVERSE CLUTCH CYLINDERS
c . Examine piston seals closely. Replace
scratched or worn seals.
a. Place the ball bearing into the oil drain
d. Inspect all gears and bearings for
hole in the back face of the clutch cylinder
excessive wear. R e p l a c e badly worn parts.
assembly (see figure 7-25).
Examine oil seals; replace worn or deteriorated
seals.
b. Install the outer seal on the clutch piston
a n d the inner seal in the clutch cylinder,
e. Inspect all thrust washers for wear and
p r e l u b r i c a t i n g the seals immediately before
replace them if necessary.
installation (see figure 7-26).
f. Before assembly, apply Dexron transmis-
sion fluid to all surfaces.
7-30. REASSEMBLY OF FORWARD-REVERSE
TRANSMISSION.
CAUTION: Cleanliness is extremely important
during the repair and assembly of
this transmission. Take every pos-
sible precaution to prevent dirt and
foreign matter from entering. Apply
D e x r o n transmission fluid to all
surfaces.
FIGURE 7-24.
NOTE: Please observe the following general
assembly hints.
7-31. When assembling ball bearings, pressure
should be applied against the member being
assembled (inner ring on shaft or outer ring in
housing). Bearing must be started squarely on
s h a f t or in housing, and seated squarely
against shoulder. Check housing and shaft for
nicks and scratches prior to bearing lnstalla-
tion. Always lubricate bearings and bushings
during assembly.
7 - 3 2 . Before installing oil seals, check the
shaft and bore for nicks and scratches. Make
FIGURE 7-25.
FIGURE 7-26.
sure that the seal is started squarely. Always
press the seals on the outside diameter, using
c. Lower the piston into the clutch cylinder
t o the bottom of its travel, using an arbor
a thin piece of shim stock around the shaft to
protect the sealing edge of the seal against
press If necessary (see figure 7-27).
possible damage from keyways and splines.
Prelubricate all seals and o-rings immediately
d. Insert the oil clutch spring into the
before installation.
p i s t o n . Place the spring retainer in position
(see figure 7-28) and depress the spring with a
pair of bars under an arbor press so that the
7-33. Check all snap rings after Installation to
s e e that they are securely seated In their
snap ring may be Installed to retain the spring.
7-8.
