505 L4-1971cc XN (1983) | Distributor Advance Unit | Checking Centrifugal Advance Curve
Distributor Advance Unit: Testing and Inspection
Checking the Vacuum Advance Curve
Fig. 10 Advance Curve
1.
Turn the test bench on.
2.
Turn the distributor at 500 rpm.
3.
Adjust the vacuum as shown in Fig 10, and chart the degree of advance obtained.
4.
If the curve graphed when tested does not correspond to the theoretical curve, adjust it using the screw accessible through the center of the
advance unit, Fig 10.