TM 9-4910-663-12
(15) Using LOAD SELECTION switches (S17 through S24, fig 2-2)
and VARIABLE LOAD control (R32), as applicable, increase load on
generator until rated load is reached, and vary generator speed
throughout speed range.
(16) Shock test generator and regulator, using MASTER LOAD DIS-
CONNECT switch (S8, fig 2-2), noting regulated voltage. Set switch to
OFF, then to ON to shock load.
(17) Increase loading slowly and observe slight drop off in
regulated voltage and leveling off of current reading when current
limiter comes into play.
(18) Decrease load to zero by setting all LOAD SELECTION switches
2-2) to OFF.
(19) Set AC/DC SYSTEMS IGN SW switch (S33, fig 2-3) to OFF.
(20) Set BATTERY CIRCUIT SELECTOR switch (S6, fig 2-2) to OFF.
(21) Set FIELD CIRCUIT switch (S32, fig 2-2) to OFF position.
(22) Reduce varidrive speed to one-quarter speed by turning
SPEED CONTROL (fig 2-4) clockwise, and stop varidrive by-pressing STOP
pushbutton switch (S2, fig 2-4).
f.
Testing Starters (Cranking Motors).
Observe following precautions when testing
(1) Precautions.
starters:
(a) Make sure starters are correctly mounted.
(b) Adjust voltage properly for unit under test.
(2) Testing.
NOTE
This test procedure is only a typical procedure.
(a) Position test stand controls in accordance with table 2-1.
(b) Install starter on test stand, as dictated by mounting
characteristics:
1. Chain mounting assembly (7, fig 2-10) will accommodate
many openjaw starters, providing that body of starter can be secured
by chain vise. This mounting will also accommodate many hooded jaw
starters, but it may be easier to flange mount hooded jaw starters on
bracket.
2. Starter mounting bracket (38, fig 2-7) is designed speci-
fically for flange mounting of starters.
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