hook-up for distributors with vacuum con-
are closed and the dwell meter shows a
reading. Aline the meter pointer with the
"adjust to line" mark on the meter scale
using the cam angle adjustment (19).
c. Turn the meter selector to either the
"4 CYL" "6 CYL", or "8 CYL" position,
whichever corresponds with the number of
lobes on the distributor cam.
d. Set the direction control switch (15),
to the direction in which the distributor
shaft is driven on the vehicle, and turn the
speed range selector switch (16) to the 0-
500 range.
e. Adjust the speed control (14) to the
and read the cam angle degrees on the
dwell meter and check this reading against
the cam angle of the distributor as speci-
fied by the applicable TM or by the manu-
facturer of the distributor.
f. Turn the speed range selector to 0-
2500 rpm and increase the speed to 2000
rpm. The reading on the dwell meter should
be within 2 degrees of that obtained in
e above.
g. Figure 9
shows the
various types of
12