Input Shaft Assembly - Chevrolet 1973 Overhaul Manual

Fig. 1 IF —Removing Front O utput Shaft
retaining drive gear to clutch assembly. Slide the
drive gear from the front side gear.
3. Using snap ring pliers, remove lower snap ring.
4. Remove sliding gear, spring and spring cup washer
from front side gear.
5. Clean and inspect all components. Replace all worn
or defective parts.
Assembly
1. Install spring cup washer, spring and sliding clutch
gear on front side gear.
2. Install snap ring retaining sliding clutch to front
side gear.
3. Install drive gear and upper snap ring on side gear.
4. Using a heavy grease, load roller bearings (123)
and spacers in the front side gear.
5. Install thrust washer in gear end of front side gear.
6. Slide drive sprocket on to clutch splines and install
retaining ring.
Input Shaft Assembly (Fig. 13F)
Disassembly
1. Slide thrust washer and spacer from shaft.
2. Using snap ring pliers, remove snap ring retaining
input bearing retainer assembly to shaft (fig. 14F)
and remove bearing retainer assembly from shaft.
3. Support low speed gear (large gear) and tap shaft
from gear and thrust washer.
NOTE: Observe thrust washer pin(s) located
in shaft (fig. 13F).
4. Using a screw driver, pry behind open end of large
snap ring retaining input bearing in bearing
retainer (fig. 15F) and remove ring from retainer.
Tap bearing from retainer.
CLUTCHES A N D M A N U A L T R A N S M IS S IO N S
Fig. 12F—Removing In te rm e diate (C hain) Housing
5. Remove pilot roller bearings (15) from end of input
shaft.
6. Remove "O" ring from end of shaft and discard.
7. Clean and inspect all components. Replace as
required.
Assembly
1. Position bearing to retainer and tap or press into
place. Ball loading slots should be toward concave
side of retainer.
2. Install large snap ring securing bearing in retainer.
NOTE: Snap ring is a select fit. Use size A, B,
C or D as required to provide tightest fit.
3. Install low speed gear on shaft with clutch end
toward gear end of shaft.
4. Position thrust washers on shaft, aligning slot in
washer with pin in shaft. Slide or tap washer into
place.
5. Position input bearing retainer on shaft and install
snap ring, holding bearing in place on shaft.
NOTE: Snap ring is a select fit. Use size A, B,
C or D as required to provide tightest fit.
6. Slide spacer and thrust washer onto shaft. Align
spacer with locator pin.
7. Using a heavy grease, install roller bearings (15) in
end of shaft.
8. Install new rubber "O" ring on end of shaft.
Range Selector Housing (Range Box)
Disassembly (Fig. 13F)
Removing S h ifter Assem bly
1. Remove poppet plate spring, plug and gasket.
Discard gasket.
7 M - 6 9
OVERHAUL MANUAL