POINT SET REPLACEMENT

f. Insert a screwdriver blade into the adjustment

slot in point set and breaker plate as shown in

g . Rotate screwdriver blade until only a very

slight drag is felt on feeler gage. This represents

p r o p e r adjustment. Make certain that the screw

securing the stationary contact is tightened after

adjustment is made.

h . Set the ignition timing. If scope or a dwell

meter is used to adjust new points, be sure the

points are in proper alignment. Also, set the

contact dwell to the low setting.

4-49. POINT SET REPLACEMENT. If point set is

burned or badly pitted, it should be replaced as

Figure 4-49. Setting Point Gap

follows:

a. Remove the distributor cap and rotor.

b. Disconnect the primary and the condenser

wires from the breaker point assembly.

c. Remove the breaker point assembly and

condenser retaining screws. Lift the breaker point

assembly and condenser out of the distributor.

d. Place the new breaker point assembly and new

c o n d e n s e r in position and install the retaining

screws.

e. Align and adjust the breaker point assembly.

f. Connect the primary and condenser wires to

the breaker point assembly.

g. Install the rotor and the distributor cap.

4-50. IGNITION TIMING ADJUSTMENT. (See

figure 450.) Ignition timing is indicated by a

pointer affixed to the engine, which aligns with the

edge of the crankshaft pulley. The pulley is marked

with two notches, one indicating exact Top Dead

Center (TDC) at the time No. 1 spark plug fires.

The other notch indicates 5 before TDC. A neon

timing light is used to illuminate the pulley at the

time the spark plug fires.

a. Remove the plug wire from No. 1 spark plug.

Figure 4-50. Timing Pointer and Crankshaft Pulley

b. Install spark plug adapter on spark plug.

4-37