MANUAL ADVANCE ADJUSTMENT

ELECTRICAL

Lubrication: This distributor incorporates a

crankshaft pulley comes to rest with the timing mark

built-in oil reservoir from which shaft lubrication is

aligned with pointer. With pointer and timing mark

obtained through a porous bushing. This reservoir back

aligned, rotor segment should point toward mark made

of the shaft bushing is filled with light engine oil and

on distributor body in Step 1, above. (Instead, rotor

sealed before the unit is shipped. The supply of oil is

segment may point 1800 away from mark; in this case,

sufficient to last for approximately 200 hours under

engine must be rotated one complete revolution and

normal operating conditions. The oil reservoir should be

timing mark realigned with pointer.)

refilled every 100 hours of operation or more frequently

when unusual heat or other operating conditions are

With timing mark and pointer aligned and

experienced. To refill, remove the pipe plug at the base

with rotor segment pointing to No. 1 spark plug wire

of the distributor, add oil until it flows out the plug hole,

position, points should just begin to open. Loosen

then replace the plug. In addition, a trace of high

distributor mounting capscrew and turn distributor

melting point ball bearing grease should be placed on

housing clockwise until points close. Remove high

the breaker cam every 100 hours. Also at 100 hours put

tension wire from center socket in distributor cap. Turn

one drop of light engine oil on the breaker lever pivot

on ignition switch and hold end of high tension wire (still

and a few drops on the felt wick under the rotor.

connected at coil) 1/4 inch from a ground; then turn

distributor housing counterclockwise until a spark jumps

Inspection: The cap should be removed at

the gap between high tension wire and ground. When

regular intervals and the contact points, rotor and cap

spark occurs, points are open. Hold distributor in this

examined. Check the high tension wiring for frayed or

position while tightening mounting capscrew or clamp

damaged insulation and poor connections at the cap.

screw. Turn ignition switch off and install distributor

Replace if necessary. Replace the cap or rotor if they

cap. Install high tension wire to center socket in cap.

are cracked or show carbonized paths indicating the

secondary current is leaking to ground over the surface

G. MANUAL ADVANCE ADJUSTMENT

of the material.

After engine has been thoroughly warmed

Contact Points: Contact points that are

up, drive vehicle, using grade of fuel expected to be

burned or pitted should be replaced or dressed with a

used in service. Engine should not ping or knock

clean, fine-cut contact file. The file should not be used

excessively under load and full throttle.

on other metals and should not be allowed to become

greasy or dirty. Never use emery cloth to clean contact

If knock is evident, loosen distributor

points. Contact surfaces, after considerable use, may

mounting capscrew and turn distributor housing

not appear bright and smooth, but this is not necessarily

clockwise to retard spark until knock is eliminated.

an indication that they are not functioning satisfactorily.

Manual advance should be set to obtain the

Oxidized Contact Points: Oxidized contact

best possible engine performance with the particular

points may be caused by high resistance or loose

grade of gasoline being used.

connections in the condenser circuit, oil or foreign

materials on the contact surface, or most commonly,

H. MAINTENANCE

high break

B-83