Chevrolet 10 series 1973, Overhaul Manual

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7 M - 3 2 CLUTCHES A N D M A N U A L T R A N S M IS S IO N S
Fig. 3B--Removing Main Drive Gear Retaining Nut
Fig. 5B -Rem oving Speedometer Gear
Fig. 6B--Third and Fourth Speed Synchronizer Clutch
Sleeve in Fourth Gear Position
1st speed synchronizing ring, 1-2 speed synchro­
nizer clutch assembly, 2nd speed synchronizer ring
and second speed gear.
CLEANING AND INSPEC TIO N
Transmission Case
Wash the transmission case inside and out, with a
cleaning solvent and inspect for cracks.
Inspect the front face which fits against clutch housing
for burrs and if any are present, dress them off with a
fine cut mill file.
CAUTION: Be sure cleaning solvent does not
loosen case magnet.
Front and Rear Bearings
1. Wash the front and rear bearings thoroughly in a
cleaning solvent.
Fig. 4B--Removing Reverse Shifter Shaft Lock Pin
11. Press main drive gear down from front bearing (fig.
7B).
12. From inside case, tap out front bearing and snap
ring.
13. From the front of the case, press out the
countershaft (fig. 8B) using Tool J-22246; then
remove the countergear and both tanged washers.
14. Remove the 112 rollers, six. .070" spacers and roller
spacer from countergear.
15. Remove mainshaft front snap ring as shown in
Figure 9B and slide third and fourth speed clutch
assembly, third speed gear and synchronizing ring
from front of mainshaft.
16. Spread rear bearing retainer snap ring and press
mainshaft out of the retainer (fig. 10B).
17. Remove the mainshaft rear snap ring. Support
second speed gear and press on rear of mainshaft
to remove rear bearing, 1st speed gear and sleeve.
OVERHAUL MANUAL