Ignition Rotor: Service and Repair

Distributor Cap:

Hall Effect Pickup Assembly:

Removal

1. Remove splash shield and distributor cap mounting screws.
2. Remove cap, (leave spark plug wires attached) and rotor.

Inspection

Distributor Cap Inspection:

Inspect cap for;

Flashover
Cracking Of Carbon Button
Lack Of Spring Tension On Carbon Button
Cracking Of Cap
Burned Or Worn Terminals
Broken Distributor Cap Towers

Rotor Inspection:

Inspect rotor for;

Cracks
Tip excessively burned or heavily scaled
Inadequate spring terminal tension

If any of these conditions are present the distributor cap and/or cables should be replaced.

Light scaling of the terminals can be cleaned with a sharp knife. If the terminals are heavily scaled, replace the distributor cap.

A cap that is greasy, dirty or has a powder-like substance on the inside should be cleaned with a solution of warm water and a mild detergent. Scrub the cap with a soft brush. Thoroughly rinse the cap and dry it with a clean soft cloth.

Installation

Fig. 8 Removing Spark Plug Cables From Cap:

Note: When installing cap make sure pick-up leads are correctly routed to avoid damage.
1. Install new rotor and cap.
2. Tighten cap hold down screws.
3. Remove one spark plug wire at a time from old cap and install on correct tower on new cap. Fully seat the wires into the towers.

4. Install splash shield.