(5) in the hole in the drive column and con-
the vacuum pump switch (12, fig. 4) off and
nect the plug in the electrical receptacle
connect the power cable (3A, fig. 4) to a
(4, fig. 4).
1 1 5 - v o l t 60-cycle single-phase power
source.
29. Operation
the majority of gear driven distributors,
a. General. The seals on waterproof or
it is quicker and easier to mount the dis-
sealed distributors are not to be broken
tributor by the use of the rubber drive
prior to testing. An adapter (fig. 16) is
coupling as shown in figure 6. However,
furnished for testing distributors of this
for distributors not adaptable to the rubber
type. A spring resiliency tester (fig. 16)
drive coupling, a universal distributor
is furnished to test the tension of the
drive chuck (fig. 7) is provided. Place the
breaker arm springs,
universal distributor drive chuck on the
stroboscope drive shaft (23, fig. 4) and set
the jaws vertical to the drive column in the
position shown in the inset in figure 7. In-
sert the shaft of the distributor to be tested
b. General Mounting Instructions. For
in the distributor clamp and tighten the
