ENGINE 1.3L QUADRAJET (90PS)
59
3
Main journal seat diameter - 54.710 ~ 54.714
Category A (mm)
3 Main journal seat diameter - 54.714 ~ 54.718
Category B (mm)
3 Main journal seat diameter - 54.718 ~ 54.722
Category C (mm)
16.Check that there are no deposits or blockages in
the crankshaft lubrication ducts.
17 Check that the diameter of the main journals
corresponds to the recommended figures.
Main journal diameter -
50.994 ~ 51.000
CategoryA (mm)
Main journal diameter -
50.988 ~ 50.994
Category B (mm)
Main journal diameter -
50.982 ~ 50.988
Category C (mm)
18.If the diameter of the main journals is not within
the specified limits, they should be reground to
the recommended undersize of 0.127mm.
Main journal diameter undersize (mm) 0.127
NOTE :
The crankpin undersize should not be higher than the
specified values as it will adversely affect the struc-
tural resistance of the crankshaft (following contact
between the tool and rolled connectors). As far as the
above is concerned, if the regrinding requires an un-
dersize greater than 0.127 mm, then the crankshaft
must be replaced with a new one. For an undersize of
more than 0.127mm, only the half bearings should
never be replaced, even if it is available for purchase.
19 Check that the diameter of the crankpins
corresponds to the recommended figures.
Crankpin diameter -
42.591 ~ 42.600
CategoryA (mm)
Crankpin diameter -
42.582 ~ 42.591
Category B (mm)
20.If the diameter of the crankpins is not correct, they
should be reground to the recommended undersize
of 0.127 mm.
Crankpin diameter undersize (mm)
0.127
NOTE
Crankpin undersizes higher than the value men-
tioned will adversely affect the structural resistance
of the crankshaft (following contact between the tool
and rolled connectors). As ar as the above is con-
cerned, if the regrinding requires undersizes greater
than 0.127 mm, then the crankshaft must be replaced
and a new one ordered from the Parts Dept. The half-
bearings used for undersizes of more than 0.127 mm
should not be ordered from the Parts Dept. (even if
the number is still quoted)
21.Check the crankshaft and connecting rod bearings,
having inmind that no adjustment operations should
be carried out on the half-bearings. Replace them
if scoring or signs of binding are noted.
22.The size of the main journal half-bearings is given.
Main journal half-bearings -
1.836 ~ 1.841
CategoryA (red) (mm)
Main journal half-bearings -
1.841 ~ 1.846
Category B (blue) (mm)
Main journal half-bearings -
1.846 ~ 1.851
Category C (yellow) (mm)
Main journal half-bearings
0.127
thickness oversize (mm)
Crankpin half-bearings -
1.546 ~ 1.552
CategoryA (red) (mm)
Crankpin half-bearings -
1.550 ~ 1.556
Category B (blue) (mm)
Connecting rod half-bearing
0.127
thickness oversize (mm)
23.The size of the connecting rod half-bearings is given.
24.Place the upper main bearing halves in their seats
taking great care over cleanliness.
NOTE :
Half-bearings of different categories may be fitted to
the same journal to reduce the clearance. In the above
case, observe the following installation requirements:
Fit the thickest half-bearing to the main bearing cap
and the thinnest to the crankcase.
If the crankshaft has been ground, fit new oversize
half-bearings to restore the initial tolerance conditions.
The thrust half-rings are built into the central main
bearing half.
25.The thrust half-ring thickness should be within the
specified limits of 2.310 mm ~ 2.360 mm.
NOTE :
The thrust half-washer undersize is 0.127 mm.
26 Fit the crankshaft into its seat on the upper
crankcase.
