Figure 4-.5. Magneto.

TM 5-4320-273-14

8. Preformed packing

1. Screw, assembled washer

9. Screw, assembled washer

2. Screw, assembled washer

10. Screw, assembled washer

3. End cap assembly

11. Retaining ring

4. Housing assembly

5. Gasket

12. Cam wick

13. Breaker point assembly

6. Distributor rotor

7. Capacitor

Table 4-2. Troubleshooting -- Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE -- Continued

Remove end cap assembly (3). Remove and discard end cap gasket (5).

Remove distributor rotor (6).

Use a feeler gage to check breaker point gap after rotating the crankshaft with handcrank until points are

wide open. Gap should be 0.015 inch (0.03 cm).

Resurface burnt or pitted points with small tungsten file. Badly worked or pitted points must be replaced as

follows:

Disconnect ground switch lead from the capacitor (7). Remove the capacitor and preformed packing (8) from

the end cap assembly. Discard both the capacitor and preformed packing.

Remove screws and assembled washers (9 and 10) and retaining ring (11) that secure the breaker point

assembly and cam wick (12) to the bearing support. Remove breaker point assembly (13) and discard.

Install serviceable breaker point assembly (13) and cam wick (12) on bearing support using screws and

assembled washers (9) and retaining ring (11).

Leave screws loose enough to permit adjustment.