Bosch Ignition Distributor Components
A – electrical connector;
B – screw for fastening the contact group of the breaker
Lucas Ignition Distributor Components
A - moving and fixed contacts;
B – screw for fastening the contact group of the breaker
1. Release the spring clips or unscrew the screws and remove the distributor cap.
2. Remove the distributor rotor from the shaft.
3. Using a thin screwdriver blade, clean the breaker contacts.
4. Check the condition of the contacts. If there is a rough surface, traces of severe corrosion or contamination, the contacts must be replaced.
5. If the breaker contacts are in satisfactory condition or have been replaced, it is necessary to adjust the gap between the contacts.
6. When adjusting the clearance using a feeler gauge blade, it is necessary to turn the engine crankshaft using the pulley mounting bolt to such a position that the lower movable part of the contact is on the protrusion of one of the shaft cams.
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7. In this position, use the feeler gauge blade to measure the gap A between the breaker contacts (on the left is the gap between the breaker contacts on the Bosch ignition distributor, on the right is the gap between the breaker contacts on the Lucas ignition distributor).
8. To adjust the gap, loosen the screw and, by moving the contact group, set the required gap (see Fig. Components of the Bosch ignition distributor and Fig. Components of the Lucas ignition distributor), then tighten the screw and recheck the gap.
9. Install the rotor and distributor cap.