The tachometer can be driven from either side
of the starter torque tester by interchanging the flexible
drive shaft. The tachometer indicates the rotational
speed of the starter drive shaft jaw in either direction.
Two scales are provided on the tachometer, 0 to 150
rpm and 0 to 600 rpm. The tachometer is driven by a 5-
foot flexible drive shaft which is attached to the
tachometer drive assembly which meshes with a helical
gear on the starter torque tester drive shaft.
a. Servicing. There is no service required for the
Figure 16. Clutch Adjusting Wrenches
b. Inspection. Inspect the tachometer for chipped
starter from the tester. These jaws include all those
or cracked glass cover, loose or bent indicator hand,
required for performing all tests for which the starter
and scale markings for clarity.
torque tester was designed. The set includes engaging
jaws to engage starters having large or small, right or
left, 3 or 12 tooth jaws.
Removal of the tachometer is
accomplished by disconnecting the tachometer adapter.
Inspect adapter pad and jaws as
d. Installation. Refer to paragraph lb.
38. ADAPTER PADS AND JAWS
(1) Visually examine studs of adapter pad for
excessive wear and correct alignment.
The starter torque tester is equipped with a
standard mounting pad adapter (23, fig. 5) which is
(2) Inspect teeth and splines of jaws for
reversible to accommodate starters having either a 5- or
breaks, chips, and wear.
5-3/4 inch diameter bolt circle mounting flange. The
adapter is easily reversed by removing the socket head
Remove attaching socket head
screws (24) securing it to the frame. The top section of
screws (22 and 24, fig. 5) to remove adapter pad and
the adapter is cut away so that the clutch adjusting
engaging jaw (21).
wrenches, part No. BT320-285 and BT320-287 (fig. 16),
can be inserted to adjust the clutch setting on Eclipse-
c. Installation. Secure adapter pad and engaging
type starters and view the jaw engagement without
jaw (21) to starter torque tester with attaching socket
head screws (22 and 24).