GMC T Series 1994 Repair Manual page 826

Synchronizer
14. SHAFT, MAIN
36. BEARING, NEEDLE
37. SPACER
Figure 17— Needle Bearing and Spacer
9. First-second synchronizer spring (15) and keys (45)
from first-reverse sliding gear.
10. Sleeve (16) from mainshaft hub.
Important
• Do not attempt to remove the first-second-re­
verse hub from the mainshaft. The hub and
shaft are permanently assembled and machined
as a matched set.
Fifth gear using J 22912-01 and a press.
17. CONE, INNER
18. CONE, OUTER
19. RING, BLOCKER
12. Mainshaft rear bearing assembly (23 and 24).
13. First gear (22).
14. Needle bearing (21) and sleeve (20).
15. Locating pin (46).
16. Three-piece first gear blocker ring assembly.
DRIVE GEAR DISASSEMBLY
❖
1. Bearing race (30).
2. Thrust bearing (29).
3. Roller bearings (101) from cavity of drive gear.
4. Bearing (99) from the drive gear using J 22912-01
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• All parts in a suitable solvent. Do not spin the bear­
1. Gear teeth and shaft pilot for wear.
CLEANING AND INSPECTION
TRANSMISSION CASE
j y |
1. Transmission case thoroughly inside and outside
with appropriate solvent.
Figure 18—Three Piece Blocker Ring
99
100
\
8 P !
29. BEARING, THRUST
30. RACE, THRUST BEARING
99. BEARING, DRIVE GEAR
100. GEAR, MAIN DRIVE
101. BEARING, PILOT
Figure 19— Main Drive Gear Bearings
Disassemble (Figure 19)
Tool Required:
J 22912-01 Bearing and Gear Puller
and a press (figure 20).
Clean
ings dry.
Inspect
Clean
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101 29 3?
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