A. Point mounting screws
B. Pry tabs
C. Timing plate screws
replace the breaker point assembly and the
Don't use sandpaper or emery cloth for
dressing the points. They will leave
abrasive particles embedded in the
points and cause arcing.
5. Clean the contact surfaces; close the points
on a piece of clean paper, such as a business
card, and pull it through the points. Do this
until no discoloration or residue remains on
the card. Check the points when closed. If they
do not meet squarely (Figure 70), replace them.
6. Inspect the breaker spring tension by hand.
A weak breaker spring will allow the points to
bounce at high engine speeds and cause
misfiring. Usually the spring will last for the life
of the contacts.
7. Apply a small amount of point cam
lubricant or high-temperature grease to the felt
that bears against the point cam. If you use too
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