Distributor Assembly Overhaul
DISASSEMBLYDistributor Assembly:
1. Remove the distributor cap and rotor.
2. Remove the clip holding the vacuum control arm to the breaker plate and remove the screws holding the vacuum control to the distributor housing. Remove vacuum control unit.
3. Remove the igniter ground, igniter lead wires and then igniter.
4. Mark the location of drive gear on distributor shaft then remove drive gear lock pin, followed by the drive gear and washers.
5. Remove screws securing the breaker plate to the distributor housing and pull distributor shaft from its housing.
Signal Rotor Removal:
6. Place breaker plate on a soft base (wooden block) and lightly tap on rotor shaft to remove signal rotor. Remove breaker plate.
Distributor Governor Weights And Springs:
7. Remove the two spring retainers with pliers and then remove two governor springs.
8. Inspect mechanical advance mechanism for component damage and free movement. Clean and/or replace any damaged or dirty components.
ASSEMBLY
1. Install the governor weights, springs, and spring retainers with pliers.
2. Install the distributor shaft into the distributor housing, put the drive gear shims and drive gear onto the distributor shaft, aligning the gear with the mark made when disassembling. Always install a new drive pin when installing drive gear.
Breaker Plate Installation:
3. Install the breaker plate into the distributor housing. Position the breaker plate so that projection (A) of the breaker plate fits into the groove (B) of the distributor housing. Install the breaker plate screws.
Signal Rotor Installation:
4. Install the signal rotor onto the rotor shaft. Position the signal rotor so that the dowel pin will fit into the alignment line. Using a deep socket lightly tap the signal rotor into position.
5. Install the igniter ground, igniter lead wires and the igniter.
6. Install the vacuum control unit. Connect vacuum control arm to the breaker plate and install vacuum control unit mounting screws. Install the clip holding the vacuum control arm to breaker plate post.
7. Install distributor rotor and cap.