Remove Breaker Box

TM 5-4240-501-14P IGNITION Magna-Matic Remove Breaker Box Remove the two mounting screws, then remove the breaker box, turning it slightly to clear the arm at inner end of breaker shaft. See Fig. 54. Breaker points need not be removed to remove breaker box. Fig. 54 - Removing Breaker Box Assembly Remove Breaker Shaft The breaker shaft can be removed (after breaker points are removed) by turning the shaft one half turn to clear the retaining spur at the inside of the breaker box. Install Breaker Shaft Insert the breaker shaft with arm upward so arm will clear the retainer boss. Push the shaft all the way in, then turn arm downward. Install Breaker Box Pull the primary wire through the hole at lower left corner of breaker box. See that the primary wire rests in the groove at top end of box: then tighten the two mounting screws to hold box in place. Install Breaker Points Press in the new oil seal with the metal side out. Put new breaker plate on top of insulating plate, taking care that the detent in breaker plate engages hole in insulating plate. Fasten breaker plate screw only enough to put a light tension on the plate. See Fig. 55. Adjust eccentric so that left edge of insulating plate is parallel to edge of box and tighten screw. Fig. 56. This locates the breaker plate so that proper gap adjustments may be made. Turn breaker shaft clockwise as far as possible and hold in this position. Place new breaker point on shaft, then the lockwasher and tighten nut down on lockwasher. Replace spring screw and terminal screw. Fig. 55 - Breaker Box Assembly Fig. 56 - Insulating Plate Position 2 15