Chevrolet 10 series 1973, Overhaul Manual

Page: 266 / 522

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 - 4 7
J - 2 2 8 7 5
3 R D G E A R
B U S H I N G
3 R D & 4T H G E A R
S Y N C H R O N I Z E R
Fig. 1 8 Q -In s ta llin g 3rd Speed Gear Bushing
10. Install 1st speed gear onto mainshaft and against
1st and 2nd synchronizer hub. Install 1st speed gear
thrust washer.
COUNTERSHAFT ASSEMBLY
Disassembly
1. Remove front countergear retaining ring and thrust
washer. Discard snap ring.
2. Install Tool J-22832 or suitable press plates on
countershaft, open side to spacer, (fig. 20Q);
support assembly in an arbor press and press
countershaft out of clutch countergear assembly.
NOTE: Countergear is a slip fit and pressing
may not be required.
3. Remove clutch countergear rear retaining ring.
Discard snap ring.
Fig. 19Q --lnstalling 3rd and 4 th Gear Synchronizer
4. Remove 3rd speed countergear retaining ring.
Discard snap ring.
5. Position assembly on an arbor press and press shaft
from 3rd speed countergear.
Assembly
1. Position 3rd speed countergear and shaft in arbor
press and press the gear onto the shaft.
NOTE: Install gear with marked surface
toward front of shaft.
2. Install new 3rd speed countergear retaining ring
using snap ring pliers.
3. Install new clutch countergear rear retaining ring
using Tool J- 22830, J-22873 and snap ring pliers as
follows: Install Tool J-22830 on end of shaft and
position snap ring on Tool (fig. 21Q). Using Tool
J-22873, push down on snap ring until it engages
groove on shaft. Using snap ring pliers, carefully
expand ring until it just slides onto splines, then
push ring down shaft until it engages groove on
shaft.
CAUTION: Do not oxer stress snap ring.
4. Position clutch countergear and spacer on shaft and
press countergear onto shaft against snap ring
using Tool J-22873, (fig. 22Q).
NOTE: Countergear is a slip fit and pressing
may not be required.
OVERHAUL MANUAL