T R A N SM ISSIO N A N D CLUTCH 7-43
1.
S h ift Rod Cover
18.
M a in sh a ft 1st and
2.
S hift Rod Cover
Reverse Gear
Screw
19.
C o un te rshaft
3.
Control Cover Gasket
20.
W o o d ru ff Keys
4.
4th and 5th Speed
21.
C o un te rshaft 3rd
Synchronizer
Speed Gear
Assem bly
22.
C o un te rshaft 4th
5.
Snap Ring
Speed Gear
6.
4th Speed Gear
23.
C o un te rshaft Drive
Retainer W asher
Gear Spacer
7.
M ainsha ft 4th Speed
24.
C o un te rshaft Drive
Gear
Gear
8.
4th Speed Gear
25.
Snap Ring
Bushing Sleeve
26.
F iller Plug
9.
4th Speed Gear
27.
Transm ission Case
Bushing Sleeve Pin
28.
M a in sh a ft Rear
10.
4th Speed Gear
Bearing
Locating W asher
29.
Speedom eter Drive
11.
M a in sh a ft 3rd Speed
Gear
Gear
30.
Gasket
12.
3rd Speed Gear
31.
M ainsha ft Rear
T hrust W asher
Bearing Cap
13.
2nd and 3rd Speed
32.
M ainsha ft Rear
Synchronizer
Bearing Cap Screw
Assem bly
33.
M ainsha ft Rear
14.
Snap Ring
Bearing Cap Screw
15.
2nd Speed Gear
Lock W asher
R etainer W asher
34.
Speedom eter Driven
16.
M a in sh a ft 2nd Speed
Gear
Gear
35
Speedom eter Tube
17.
M a in sh a ft
Nut
36.
Lock Pin
55.
Lock W asher
37.
Com panion Flange
56.
C ountershaft Front
Nut
Bearing
38.
Rear Bearing Cap Oil
57.
Clutch Housing Stud
Seal
58.
Pedal S ha ft Grease
39.
B olt and Lock
F itting
W asher
59.
Clutch Pedal S haft
40.
Bolt and Lock
Bushing
W asher
60.
Drain Plug
41.
C ountershaft Rear
61.
M ainsha ft Pilot
Bearing Cap
Bearing
42.
Gasket
62.
M ain Drive Gear
43.
C ountershaft Rear
63.
M ain Drive Gear
Bearing Retainer Nut
Bearing
44.
C ountershaft Rear
64.
Bearing Retainer
Bearing
Snap Ring
45.
S haft Lock
65.
Gasket
46.
B olt and Lock
66.
B olt
W asher
67.
Drive Gear Bearing
47.
Reverse Idler Gear
Cap
Shaft
68.
Clutch Housing
48.
T hrust W ashers
Inspection Plate Bolt
49.
Reverse Idler Gear
69.
Clutch Housing
Bearings
Inspection Plate Lock
50.
Reverse Idler Gear
W asher
51.
B olt and Lock
70.
Clutch Housing
W asher
Inspection Plate
52.
Power Take-Off
71.
Clutch Housing
Covers
72.
Gaskets
53.
Gaskets
73.
Power Take-O ff
54.
Nut
Covers
2.
Remove all portions of old gaskets from parts, using a
stiff brush or scraper.
Inspection
1.
Inspect rods and shafts for evidence of fatigue. Check
bearing surfaces for scoring or wear.
2. Inspect all parts for discoloration or warpage due to
heat.
3. Examine all gear teeth and splines for chipped, worn,
broken, or nicked teeth or splines. Small nicks or burrs
may be removed with a fine abrasive stone.
4.
Inspect the breather assembly to see that it is open and
not damaged.
5. Check all threaded parts for damaged, stripped, or
crossed threads.
6
. Check all oil passages for obstructions, using brass rods
and air pressure.
7.
Replace all gaskets, oil seals, lock wire, cotter pins, and
snap rings. (If snap rings are not damaged or distorted
and are not used for sealing as well as retaining, they
may be reused.)
8
. Examine synchronizer assemblies for scoring, wear, or
other damage. Replace synchronizers if not in first class
condition.
9.
Inspect housing and covers for cracks, breaks, or other
damage. Since repairs by welding, brazing, etc., are not
recommended, replace all damaged parts.
10. Inspect all bushings for wear or other damage.
11. Check keys and key ways for condition.
12.
Inspect shift forks for wear, distortion, or other dam
age.
13. Check springs for free length, compressed length, dis
tortion, or collapsed coils.
R E P A IR S
Mainshaft Rear Bearing Cap
1. If inspection shows necessity, press or drive rear bear
ing cap oil seal assembly out of rear bearing cap. Dis
card oil seal.
2. Using a suitable sleeve and hammer or press, drive or
press new oil seal in bore of bearing cap. Lip of oil seal
goes in toward transmission case.
Clutch Release Bearing and Support
1. If inspection shows clutch release bearing assembly or
support are damaged, press bearing off support. Re
place damaged parts.
2. Using a press and usitable sleeve, press new bearing on
support.
Clutch Housing Replacement
1. Remove nuts and lock washers from clutch housing to
transmission case studs, then remove clutch housing
from transmission case.
2. In order to obtain correct location of clutch housing on
transmission case, the following procedure must be fol
lowed:
a. Install main drive gear and bearing assembly in
transmission case.
CHEVROLET OVERHAUL M A N U A L SUPPLEMENT
Summary of Contents for 40 60 Series
Page 1: ...40 60 SERIES TRUCK SUPPLEMENT ST 334 72...
Page 86: ......
Page 96: ...n 47 k u m i i i iin I ll II I...
Page 222: ......