Chevrolet 10 series 1973, Руководство по капитальному ремонту

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CLUTCHES A N D M A N U A L T R A N S M I S S I O N S 7 M - 2 7
5. Install the second speed gear with clutching teeth
upward; the front face of the gear will butt against
the flange on the mainshaft.
6. Install a blocker ring with clutching teeth downward
over synchronizing surface of the second speed
gear.
7. Install the first and second synchronizer assembly
with fork slot downward.
CAUTION: Be sure the notches of the blocker
ring align with the keys o f the synchronizer
assembly.
8. Install synchronizer hub to mainshaft snap ring (fig.
10X).
9. Install a blocker ring with notches downward so
they align with the keys of the 1-2 synchronizer
assembly.
10. Install first gear with clutching teeth downward.
11. Install first gear thrust washer (steel).
12. Install first gear spring washer.
13. Install rear ball bearing with snap ring slot
downward; press onto mainshaft (fig. 17X).
14. Install rear bearing to mainshaft snap ring (fig.
8X).
15. Install speedometer drive gear and clip.
This completes the assembly of the mainshaft.
ASSEMBLY OF TR A N S M ISS IO N (Fig. 18X)
1. Using Tool J-22246 load a row of roller bearings
(27) and a bearing thrust washer at each end of the
countergear. Use heavy grease to hold them in
place (fig. 19X).
2. Place countergear assembly through case rear
opening along with a tanged thrust washer (tang
away from gear) at each end and install
countergear shaft and woodruff key from rear of
case.
CAUTION: Be sure countershaft picks up both
thrust washers and that the tangs are aligned
with their notches in the case.
3. Install reverse idler gear and shaft with its woodruff
key from the rear of case.
4. Using snap ring pliers, expand the snap ring in the
extension and assembly extension over rear of
mainshaft and onto rear bearing. Seat snap ring in
rear bearing groove (fig. 4X).
5. Load the mainshaft pilot bearings (14) into the
drive gear cavity and assemble the 4th speed
blocker ring onto the drive gear clutching surface
with its clutching teeth toward the gear (fig. 20X).
6. Pilot the drive gear, pilot bearings and 4th speed
blocker ring assembly over the front of the
mainshaft assembly. Do not assemble bearing to
gear yet.
CAUTION: Be sure the notches in the blocker
ring align with the keys in the 3-4 synchronizer
assembly.
7. Place extension to case gasket at rear of case
holding in place with grease and, from the rear of
the case, assemble the clutch gear, mainshaft and
extension to case as an assembly.
8. Install extension to case retaining bolts. Using seal
cement on bottom bolt only.
9. Install front bearing outer snap ring to bearing and
position bearing over stem of drive gear and into
front case bore.
10. Install snap ring to drive gear stem, and drive
bearing retainer and gasket to case.
NOTE: The retainer oil return hole should be
at the bottom.
11. Shift synchronizer sleeves to neutral positions and
install cover, gasket and fork assembly to case. Be
sure forks align with their synchronizer sleeve
grooves.
12. Tighten all bolts to specified torque.
OVERHAUL MANUAL