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130
FIAT· 850 PASSENGER CARS
The pivot bar contact face to camber and caster
adjusting shims should show no such dents or
scores as the accuracy of adjustment may be
af-
fected.
If
damage is not so serious, correct by
refacing, otherwise replace the pivot bar.
Check the condition of resilient bushings press fit-
ted in control ann.
The inside face should be thoroughly smooth and
the rubber tube free from cracks or damage;
otherwise replace bushings.
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Fig. 220.
Front suspension:
sec·
tional view across steer-
ing
knuckle and leaf
spring mounting on king·
pin housing.
The
go
casler angle is re·
ferred 10 the body floor.
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f
KINGPIN HOUSINGS
Check the condition of «estendblock» bushings;
the inner face should show no signs of binding
and the rubber tube should not have lost elasticity.
Check that clearance between kingpin and housing
bushings does not exceed .008" (0.20 mm).
Clearance of new parts is .0006" to .0021" (0.016
to 0.054 mm).
Should clearance be beyond wear limit, replace
bushings and the kingpin, too,
if
necessary.
Use driver A. 74016 to remove and install bushings.
I nspection and Repair.
9
10
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~=r.)
/14
'1
13
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Fig. 218 - Control arm installed on fixture A. 74135.
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Inspection and Repair.
CONTROL ARMS
Arrange the control arm on fixture A. 74135 and
check that pivot bar bores are well centered and
lined up; also make sure that the arm bears against
fixture shoulders.
Correct any distortions which
have been detected. The control arm may be also
checked for misalignment as an assembly: just slide
the fixture pins into pivot bar holes.
With bushings fitted in place the arm should
swing freely on pivot bar without appreciable play.
Fig. 219 - Front suspension: sectional view across control arm.
1. Control arm. - 2. Control arm-fo-kingpin housing pin. - 3. «Si·
lentblock» bushing. - 4. Pin nut. - 5. Kingpin housing. - 6. Pivot
bar.lo-body shell nut and washer. - 7-8. Pivot bar-to-control arm
cotter pin and nut.• 9. Bushing cup. - 10. Resilient bushing.•
11. Inner washer. • 12. Camber lind CllSter adjusting shims.
13. Control arm-Io-body shell pivol bar. - 14. Spacer.
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