Figure 9. Starter Engaging Jaws
clockwise. This will prevent over-speeding of starter
being tested.
19. STOPPING OPERATIONS
c. Switch external power source on.
This
energizes starter, causing starter jaw to engage jaw of
Stopping operations consist of switching
starter torque tester.
external power source off and releasing brake pressure
by turning control cap located on brake pressure control
assembly (4, fig. 2) counterclockwise.
away rpm designated in applicable technical manual for
starter being tested. Make sure starter breaks away
from starter torque tester when tachometer (10) reads
20. EQUIPMENT HANDLING
designated rpm.
e. Increase current applied to starter until
a. Exercise extreme care in unpacking and
tachometer reaches rpm designated in applicable
handling instruments and other accessories of starter
technical manual for starter being tested to perform
torque tester.
slippage test. Apply braking pressure by turning control
b. If an instrument is dropped, thoroughly check
cap located on brake pressure control assembly (4) and
and test before use.
note that starter begins to slip when torquemeter (11)
reads specified braking pressure for starter being tested.
Caution: The tachometer will be
f. Increase voltage to starter by means of variable
damaged if the gear reduction unit is
resistor and decrease braking pressure by turning
not used when testing starters or
control cap on brake pressure control assembly (4)
actuators with output shaft speeds
counterclockwise. This check is to make sure starter
over 150 rpm.
torque tester will reach specified rpm and current output
designated in applicable technical manual for starter
being tested.
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