Disassembly and Reassembly

DISASSEMBLY:

Exploded View Distributor:

1. Remove the nuts and disconnect the wires from the terminals of the ignition coil.

Ignition Coil Removal:

2. Remove the ignition coil from the distributor.

3. Remove the distributor primary wires. Remove the connector clamp.

Pickup Coil:

4. Using a feeler gauge, measure the clearance between the signal rotor and pick-up coil projection.

Air Gap: 0.008 in (0.2 mm) Or More

***UPDATED BY TSB# ENG-022, MAY 1990

5. If pick-up coil air gap is outside specifications, replace pick-up coil assembly.

Governor Shaft Inspect:

6. Turn the governor shaft and ensure that it is not rough or worn.

7. If governor shaft feels rough or worn, replace distributor assembly.

Governor Shaft Thrust Clearance:

8. Using a feeler gauge measure governor shaft thrust clearance.

Thrust Clearance: 0.0059 - 0.0197 in (0.15 - 0.50 mm)

Drive Gear Grinding:

9. Using a grinder, grind the drive gear and straight pin.

Governor Shaft Assembly:

10. Using a hammer and punch, tap out the straight pin.

11. Remove the drive gear and plate washer.

Governor Shaft Assembly:

12. Remove the governor shaft and thrust washer.

ASSEMBLY:

1. Lightly coat the governor shaft with high-temperature grease.

Governor Shaft Assembly:

2. Slide the thrust washer onto the governor shaft.

3. Push the governor shaft into the housing.

4. Slide the plate washer and a new drive gear onto the governor shaft.

Drive Gear Alignment:

5. Align the drill mark on the drive gear with the groove of the housing.

6. Install a new straight pin.

Governor Shaft Thrust Clearance:

7. Using a feeler gauge, measure governor shaft thrust clearance.

NOTE: If governor shaft clearance is not within specifications, replace thrust washer. Available sizes are 0.012 - 0.024 in (0.3 - 0.6 mm)

Securing Straight Pin:

8. Using a vise, secure the ends of the straight pin.

Connector Clamp Installation:

9. Align the housing protrusion with the clamp groove and install the clamp with the screw.

Distributor Wire Installation:

10. Install the distributor primary wires.

Ignition Coil Installation:

11. Install the gasket and ignition coil with the four screws.

Ignition Coil Wire Connections:

12. Connect the three wires to the terminals of the ignition coil.

CAUTION: When connecting the primary wires to the ignition coil, place the wires properly into the grooves on the side of the coil. Ensure the wires do not contact the signal rotor or the distributor housing.

13. Install the ignition coil dust cover and distributor rotor.

14. Install the distributor cap.

Distributor O-ring:

15. Lightly coat a new O-ring with engine oil prior to distributor installation.

16. Install distributor. Refer to REMOVAL AND INSTALLATION.

17. Reconnect negative battery terminal.

18. Adjust ignition timing. Refer to ADJUSTMENT PROCEDURES.