Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 102 / 468

4B-30
OVERHAUL MANUAL
Shim Id e n tifica tio n
Shim
Thickness
Notches
I.D. O.D.
.040 0 0
.042 4 1
.044 4 2
.046 4 3
.048 4
4
.050 5 0
.052
5
1
.054
5 2
.056 5 3
.058 5 4
.060 6 0
.062
6
1
.064
0 2
.066 0 3
.068 0
4
.070 1 0
.072 1 1
.074 1 2
.076
1
3
.078 1 4
.080 2 0
.082 2 1
.084 2 2
.086 2 3
.088 2 4
.090
3
0
.092
3
1
.094
3 2
.096 3 3
.098 3 4
.100 4 0
Fig. 9C—M easuring D iffe re n tia l Shim R equirem ent
5. W ith the rin g gear tig h t ag ain st the p in io n g ear
(.000" to .001" backlash), in sert gau g in g Tool
J-22779 betw een the left b e a rin g cup an d c a rrie r
housing. See Figure
9C. T u rn ad ju stin g n u t
clockw ise w hile o sc illa tin g th e tool u n til a
noticeable d rag is produced.
6. T ig h ten lock bolt on side o f the tool, th en rem ove
tool.
7. U sing a m icrom eter, m easu re the thickness o f the
g au g in g plates in a m in im u m o f th ree places as
show n in F igure 10C. A verage these read in g s and
record the result.
8. T u rn the rin g gear 90 d egrees an d re p e a t Steps 5, 6
an d 7.
9. T he req u ired thickness o f the service shim is
d eterm in ed by su b trac tin g the thickness o f the
service spacer from the
higher
o f the two averaged
read in g s o b ta in ed in Steps 7 a n d 8.
EX A M PLE:
G au g e thickness (h ig h e r r e a d in g ) ................. 254"
Service sp a c e r........................................ m inus .170"
Service shim size (left side)................................... 084"
Fig. 10C—Measuring Gauge Plate Thickness
10. Install the selected shim betw een the service spacer
and b earing. R em ove stra p J-22779-6 an d install
left b earin g cap. T orque b e a rin g cap bolts to
specifications.
11. Rem ove rig h t-h a n d b e a rin g cap a n d install Tool
J-22779 betw een rig h t b e a rin g cup a n d c a rrie r
housing.
12. T urn adju stin g n u t clockwise w hile oscillating tool
until a noticeable d ra g is p ro d u ce d (b e a rin g outer
race ro tates w ith tool). R em ove tool an d m easure
the thickness o f the g a u g in g plate in a m in im u m o f
three places. A verage these re ad in g s an d record the
results.
13. T urn the ring g e ar 90 d egrees and re p e a t Steps 11
and 12.
14. The req u ire d thickness o f the service shim is
d eterm in ed as in Step 9; how ever, an ad d itio n al
.008" m ust be ad d ed to o b ta in p ro p e r side b earin g
preload.