TM 9-2320-211-20
the primary lead-in on the rear of the distributor,
(e) Test the breaker lever spring tension by
hooking a spring scale (fig. 2-147) at the end of the
and tighten the connector (2).
(9) Position the distributor vent line (6) at the
breaker lever as close as possible to the contact
point. Pull the breaker lever away from the cam,
elbow on the front of the distributor, and tighten
noting the pull on the scale to separate the points.
the nut (5).
(The reading on the scale should be between 17 and
(10) Insert the ends of the spark plug cables in
t h e cable sockets (corresponding to spark plug
21 ounces.)
numbers in the distributor cover) (fig. 2-146), and
tighten the connectors.
(11) Check the ignition timing, and correct it if
necessary (para 2-120).
tension.
(f)
If necessary, adjust the breaker spring
tension by loosening the screw securing the spring
to the stationary bracket, shifting the spring, and
c. Distributor cap.
retightening the screw.
(1) R e m o v a l .
(g) If unable to adjust the spring tension,
(a) R e m o v e t h e d i s t r i b u t o r c o v e r ( b ( 2 )
replace the point set.
above).
(h) To adjust the breaker points turn the
(b) Remove the five screws holding the
engine in small increments. Momentarily depress
distributor cap in the cover, and lift out the cap.
the starter button with the ignition switch in the
(2) I n s t a l l a t i o n .
OFF position u n t i l the high point of the cam
(a) Position the distributor cap in the
assembly holds the breaker lever at the maximum
distributor cover, and fasten it with five screws.
gap between the contact points.
(b) Install the distributor cover, and fasten
(i) Using a feeler gage (fig. 2-148), check
it with eight screws and lockwashers.
the maximum gap betyveen the contact points.
d. D i s t r i b u t o r C o n t a c t P o i n t s a n d C a p a c i t o r .
(1) I n s p e c t i o n a n d A d j u s t m e n t .
CAUTION
Do not use emery cloth to dress points.
(a) Examine the points for pitting or wear.
(b) If the points are slightly pitted or
burned, dress them with a point file or with grade
2 / 20 flint paper, and remove the filings with
(compressed air.
(c) If the points are badly pitted or worn,
replace t h e points. Also r e p l a c e t h e c a p a c i t o r
(condenser) since it is probably the cause of the
pitting.
(d) If the contact points are in satisfactory
condition, proceed as in (e) below.
