Chevrolet 1977 10 Series, Repair Manual, Page: 449 / 468

MANUAL TRANSMISSION
7B-69
Fig. 7 B -2 2 S -D riv e G ear and L o c k o u t C lu tc h A ss e m lb y In s ta lle d
6. Install drive chain in chain housing, positioning the
chain around the outer wall of the housing.
7. Install the cahin housing on the range box (Fig. 7B-
23S), engaging the shift rail channel of the housing to the shift
rail. Position chain on the input drive sprocket.
8. Install the front output sprocket in the case, engaging
the drive chain to the sprocket. R otate clutch drive gear to
asist in positioning chain on the drive sprocket.
9. Install the shift fork on the clutch assembly and the
shift rail, then push the clutch assembly fully into the drive
sprocket. Install roll pin retaining shift fork to shift rail.
10. Install front output shaft bearing.
11. Install front output shaft bearing retainer, gasket and
retaining bolts.
12. Install the front output shaft flange, gasket, seal,
washer and retaining nut. Tap dust shield back in place after
installing bolts in flange.
13. Install front output shaft rear bearing retainer,
gasket and retaining bolts.
NOTE:
If rear bearing was removed, position new
bearing to outside face of cover and press into cover until
bearing is flush with opening.
14. Install differential carrier assembly on the input
shaft. C arrier bolt heads should face rear of shaft.
15. Position rear output shaft to differential carrier
assembly (load bearings in pinion shaft).
a. Install rear output housing (front) assembly, gasket,
and retaining bolts.
b. Install speedom eter gear and shims (approximately
.050 inch thickness) on output shaft.
c. Position rear output housing (rear) assembly to rear
output housing (front). Be sure "O" ring is in proper position
on front section of output housing.
NOTE:
Be sure vent is in upward position.
d. Install flange, washer, and retaining nut. Leave nut
loose (approxim ately .060 inch) until shim requirem ents are
determined.
16. Install shim pack onto shaft, in front of rear bearing,
to control end play to within .001" to .005". Hold rear flange
and rotate front output shaft to check for binding of the rear
output shaft (Fig. 7B-24S).
17. Install speedom eter driven gear in housing.
18. Install lockout clutch shift rail poppet ball, spring
and screw plug in case.
19. Install poppet plate spring, gasket and plug, if not
installed during reasseambly of range box.
Fig. 7 B -2 3 S -ln s ta llin g Interm ediate Housing to Range Box
Fig. 7B-24S--Checking Rear O utput S haft End Play