FIAT 500 1969 1.G User Guide

FIAT 500 1969 1.G User Guide 500 1969 1.G FIAT FIAT https://www.carmanualsonline.info/img/10/4482/w960_4482-0.png FIAT 500 1969 1.G User Guide
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Page 11 of 128

FIAT 500 1969 1.G User Guide INTAKEEXHAUSTINTAKEEXHAUST
FIG 1 :18  Main specifications of intake and exhaust valves and valves guides (dimensions in  mm)
head. Disconnect the t w o side exhaust manifolds.
Note the spark  plug  HT

Page 12 of 128

FIAT 500 1969 1.G User Guide Cylinder head installation:
To refit the cylinder head proceed as follows:
Place a  new cylinder  head joint on the cleaned faces of
the cylinder barrels. Insert the rocker pushrod and
lubrication pip

Page 13 of 128

FIAT 500 1969 1.G User Guide FIG 1:21  Finned cylinder. Letter A stamped on cylinder
indicates the class to which cylinder belongs, as referred
to its inside diameter
CLASS LETTER
FIG  1 :22  Cylinder measurement points
seats, ge

Page 14 of 128

FIAT 500 1969 1.G User Guide Insert a .0079 ± .00197 inch thick oil  paper gasket
between the crankcase and cylinder bottom face and a
.0236 to .0275 inch thick graphitized asbestos gasket
between the cylinder and  cylinder head

Page 15 of 128

FIAT 500 1969 1.G User Guide FEELER  GAUGE
Checking ring gap (ring in cylinder) FIG 1 :27
FIG 1 :28.A universal piston ring compressor should be
used to keep the rings t i g h t in their grooves.  The correct
matching of the pist

Page 16 of 128

FIAT 500 1969 1.G User Guide tolerance range of .00043 to .00240 inch or less than
.0059 inch the bearing inserts may be  used  again with-
out any need for regrinding. Should however the
clearance be greater than .0059 inch the

Page 17 of 128

FIAT 500 1969 1.G User Guide FIG 1:33 Checking crankshaft land-to-connecting rod
shoulder clearance
FIG 1:34 Engine  f r o n t  end  without flywheel
Using an expanding reamer or Fiat reamer U.0307 ease
out the internal diameter

Page 18 of 128

FIAT 500 1969 1.G User Guide After the  crankshaft  has been reground  it is important
that all traces of swarf are removed  by constant washing
and then drying with a non-fluffy rag.
The clearance between the main bearings and j

Page 19 of 128

FIAT 500 1969 1.G User Guide FIG 1:37  Lubrication diagram of engine 120.000
Key to  Fig  1:37 1 Oil dipstick 2 Oil filler with vent valve  3 Centrifugal oil filter
4 Crankshaft, with central oil gallery  5  Low oil pressure indi

Page 20 of 128

FIAT 500 1969 1.G User Guide Drain the oil sump to ensure that the oil does not syphon
out. Thoroughly clean the area around the pump body
(see FIG 1 :37).
Remove the end cover plate by releasing the retaining
bolts and washers.
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