Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 413 / 468

MANUAL TRANSMISSION 7B-33
REVERSE
SHIFTER
SHAFT PIN
REVERSE
IDLER
G E A R
REVERSE
GEAR
Fig. 7 B -3 K ~ R e m o vin g R everse S h ifte r S h a ft Lock Pin Fig. 7 B -5 K -R e m o v in g Reverse G ear
5. Remove lock pin from reverse shifter lever boss (Fig.
7B-3K) and pull shifter shaft partially out to disengage the
reverse shifter fork from the reverse gear.
6. Remove five (5) rear extension attaching bolts, tap
extension rearw ard with a soft ham m er to start removal. Slide
extension rearward until reverse idler shaft is clear of reverse
idler gears. Then rotate extension to the left to free shift fork
from collar of reverse gear and remove the case extension.
Remove and discard gasket.
7. Remove speedometer gear outer snap ring (Fig. 7B-
4K). Tap or slide speedometer gear from mainshaft, then
remove second snap ring.
8. Slide the reverse gear from the mainshaft (Fig. 7B-
5K), and slide the rear portion of the reverse idler gear from
the transmission case.
9. Remove four (4) front bearing retainer bolts, gasket,
and front bearing retainer from case.
10. Remove front bearing snap ring selective fit snap ring
and spacer washer.
11. Using Tool J-6654-01, remove front main drive gear
bearing from transm ission case (Fig. 7B-6K).
12. Remove the rear retainer lock bolt.
13. Shift first-second and third-fourth clutch sliding
sleeves forward to perm it adequate clearance for m ainshaft
removal. Remove mainshaft and rear bearing retainer
assembly from the transm ission case.
14. Remove front reverse idler gear and thrust washer
from case.
NOTE:
G ear teeth face toward front of transmission.
Fig. 7B-4K~Speedometer Gear and Retaining Rings
Fig. 7B-6K~Removing Main Drive Gear Bearing