1963 FIAT 500 diagram

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Page 18 of 128

FIAT 500 1963 1.G Workshop Manual 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 1963 1.G Workshop Manual 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 30 of 128

FIAT 500 1963 1.G Workshop Manual FIG 2:5  Starting device (choke) diagrammatic section
KeytoFig2:5 A  Device  fully inserted  B  Device  partially  inserted  C  Device  disinserted  2  Air  inlet 16 Bowl
19 Throttle  21 Primary ventu

Page 31 of 128

FIAT 500 1963 1.G Workshop Manual FIG 2 : 6  Weber 26.IMB carburetter starting device
(choke) end
Key  to   Fig   2 : 6   1   Choke  device  cover   2  Bowden
mounting screw  3  Nut and screw, choke bowden wire
4  Choke  control lever

Page 34 of 128

FIAT 500 1963 1.G Workshop Manual FIG 2:12 illustrates the starting device fitted to
26.IMB.4 and later carburetters. It differs from earlier
units in detail, principally in having fewer starting mixture
orifices 30 and 32 into the mi

Page 35 of 128

FIAT 500 1963 1.G Workshop Manual 3938
28 29 30A3132 33
28 29 30 3.1B28
29 30 31C
34 34
34
37 36 35 23
FIG 2:13  Diagrammatic section views of 26.OC Weber carburetter through the starting device
1
2.34
5
27
26.
25,
24.
23.
22
1617
8
2

Page 36 of 128

FIAT 500 1963 1.G Workshop Manual 1
14,5
7,52 9 48 35
76
FIG 2:15 Float level setting diagram Weber car-
buretter type 26.OC
7.5 = .29 inch 14.5 = .57 inch
Key to  Fig  2:15 1 Carburetter cover 2 Cover gasket
3 Needle valve 4 Valve ne

Page 37 of 128

FIAT 500 1963 1.G Workshop Manual FIG 2:18Diagram of blow-by gases  re-circulation device
Key to Fig 2:181 Head cover 2 Blow-by gases and  oil vapours breather valve 3 Oil filler cap4 Strainer
9 Air suction pipe, air cleaner to carbur
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