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Breaker Point Opening Gap:
This gap is preset at the factory on new units
at time of assembly. A gap setting of .040” to
.050” must be maintained at all times. The
opening gap must be checked regularly and
reset when required. To inspect for proper
opening gap:
a)
b)
c)
d)
e)
h)
i)
j)
k)
Position the crankshaft at top dead center.
Use die safety blocks or otherwise secure
to hold the ram in this position.
Turn electrical power
off
to main control
panel.
Remove end cap (31) from timer by remov-
ing the two socket head cap screws.
Mark the location of the fiber follower of
the LS4 (42) breaker point with respect to
the cam No. 5 (33A). This will prevent the
need for several timer adjustments to
locate the top stop position. See Figure 5.
To inspect LS1, refer to Figure 6 and
remove the two socket head cap screws
(43) and mounting bridge sub-assembly (32).
Loosen jam nuts (30).
Rotate cam adjusting knob (29) so that
breaker point gap being measured is at
its maximum opening.
Measure gap as indicated in Figure 6.
If gap must be adjusted, follow instruc-
tions given in Paragraph 3.1.2.
Lubricate the cam follower with a multi-
purpose lithium soap grease.
Measure gap of LS2 by repeating Steps
“g”
to
“j”.
Opening Gap
Adjust To .040 - .050 inches
Mounting bridge removed
T
Cam No. 5 (33A)
Fiber Follower
LS4
\
Mark As Shown
Figure 5
Marking top stop position
1)
Rotate No. 3 cam (28A) so that breaker
point gap of LS3 is at its maximum opening.
m) Repeat Steps “h” through “j”.
n) Replace mounting
brid.ge
sub-assembly
(32) and cap screws (43).
Lubricate
r
Here
\
Fiber Cam Follower
Figure 6
Breaker point maintenance
8