Chevrolet 1973 Overhaul Manual page 291

7 M - 7 2 CLUTCHES A N D M A N U A L T R A N S M IS S IO N S
Fig. 14F—Removing In p ut Shaft-to-Bearing Snap Ring
2. Disengage sliding clutch gear from input gear and
remove clutch fork and sliding gear from case.
3. Remove shift lever assembly retaining nut and
upper shift lever from shifter shaft.
4. Remove shift lever snap ring and lower lever.
5. Push shifter shaft assembly downward and remove
lockout clutch connector link.
NOTE: Long end of connector link engages
poppet plate.
6. Remove shifter shaft assembly from case and
separate the inner and outer shifter shafts. Remove
and discard "O " rings.
7. Inspect poppet plate for damage. If necessary to
remove, drive pivot shaft from case. Remove
poppet plate and spring from bottom of case.
Removing In p u t Gear A ssem bly
8. Remove input gear bearing retainer and seal
assembly. Discard gasket.
9. Remove large snap ring from bearing outer
diameter.
10. Tap input gear and bearing from case.
11. Remove snap ring retaining input shaft bearing to
shaft and remove bearing from input gear.
NOTE: This is a select fit snap ring. Snap
rings, size A, B, C, and D are released for
service. Select tightest fit.
Removing Cluster Gear Assem bly
12. From intermediate case side, tap counter shaft from
cluster gear and case. Remove cluster gear assembly
from case.
NOTE: Recover roller bearings (72 required)
from gear case and shaft.
13. Remove cluster gear thrust washers from case.
Fig. 15F—Removing Input S haft Bearing-to-Retainer
Snap Ring
14. Clean and inspect all components. Replace worn
and defective parts.
Assembly (Fig. 13F)
Installing Countergear A ssem bly
1. Using a heavy grease, install roller bearings (72
required) and spacers in clustergear bore.
2. Using a heavy grease, position countershaft thrust
washers in case. Engage tab on washers with a slot
in case thrust surface.
3. Position cluster gear assembly in case and install
countershaft through front face of range box into
gear assembly. Countershaft face with flat should
face forward and must be aligned with case gasket.
Installing In p u t Gear Assem bly
4. Install bearing (without large snap ring) on input
gear shaft positioning snap ring groove outward
and install new retaining ring on shaft. Position
input gear and bearing in housing.
NOTE: The retaining ring is a select fit. Use
service ring size A, B, C or D as required to
provide tightest fit.
5. Install snap ring in outside diam eter of bearing.
6. Align oil slot in retainer with drain hold in case
and install input gear bearing retainer, gasket and
retaining bolts. Tighten bolts to specifications.
Installing S h ifter S h a ft A ssem bly
7. If removed, install poppet plate and pivot pin
assembly in housing. Use sealant on pin.
8. Install new "O " rings on the inner and outer shifter
shafts. Lubricate "O " rings and assemble inner
shaft in the outer shaft.
9. Push the shifter shafts into the housing, engaging
the long end of the lockout clutch connector link to
S N A P R IN G
OVERHAUL MANUAL