TM 9-4910-663-34
(3)
Set AMMETER LOAD & STARTER OUTPUT CURRENT BATTERY CHARGE CURRENT RANGE switch
(S14, fig 2-4) to the STARTER FREE RUN X4 position.
(4)
Set DC VOLTMETER OUTPUT VOLTAGE SELECT switch (S11) to the VAR position, and set DC
VOLTMETER OUTPUT VOLTAGE RANGE switch (S12) to the X2 position.
(5)
Rotate STARTER RHEOSTAT CONTROL (R18) clockwise until it is snug.
(6)
Set circuit breaker switch (CB1) to the ON position.
(7)
Set D.C. VARIABLE VOLTS switch (S10) to the ON position, and adjust DC VARIABLE POWER SUPPLY
0-32 VDC control (T5, fig 2-7) as required to obtain a 10 volt indication on DC VOLTMETER OUTPUT VOLTAGE meter
(M2).
(8)
Set LOAD SELECTION 25 AMPS/12.5 AMPS switch (S23) to the ON position.
(9)
Set STARTER TEST switch (S9) to the ON position, and check to see that an indication of 8 to 9 amperes
is obtained on DC AMMETER LOAD & STARTER OUTPUT CURRENT BATTERY CHARGE CURRENT meter (M3).
(10)
Set circuit breaker switch (CB1) to the OFF position and disconnect the test leads.
k.
Generator Field Circuit.
(1)
Set all test stand controls to the preliminary settings listed in table 2-2.
(2)
Set FIELD CIRCUIT switch (S32, fig 2-5) to the MANUAL position.
(3)
Set EXTERNAL FIELD EXCITER AC SYSTEM switch (S31) to the ON position.
(4)
Set DC AMMETER FIELD CURRENT RANGE switch (S30, fig 2-4) to the X6 position.
(5)
Set FINE CONTROL 0-5 AMPS (MAX) switch (S29) to the OFF position.
(6)
Set FIELD CURRENT 0-30 AMPS (MAX) control (R26) and FIELD CURRENT (fine) control (R27) fully
clockwise.
(7)
Set DC VOLTMETER OUTPUT VOLTAGE SELECT switch (S11) to the VAR position, and set DC
VOLTMETER OUTPUT VOLTAGE RANGE switch (S12) to the X2 position.
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