TM 9-4910-663-34
(13)
Toggle MASTER LOAD DISCONNECT switch (S8) between the ON and OFF positions, and check to
make sure that the pointers of AC AMMETER OUTPUT CURRENT meter (M5) and DC AMMETER FIELD CURRENT
meter (M7) deflect each time switch (S8) is actuated.
(14)
Set AC AMMETER OUTPUT CURRENT RANGE switch (S26) to the X5 position and repeat the check of
step (13).
(15)
Set circuit breaker switch (CB1) to the OFF position.
(16)
Do not disturb the settings of DC VOLTMETER OUTPUT VOLTAGE SELECT switch (S11), DC
VOLTMETER OUTPUT VOLTAGE RANGE switch (S12), DC AMMETER LOAD & STARTER OUTPUT CURRENT
BATTERY CHARGE CURRENT RANGE switch (S14), and DC AMMETER FIELD CURRENT RANGE switch (S30).
(17)
Set AC AMMETER OUTPUT CURRENT RANGE switch (S26) to the X1 position, and set AC AMMETER
OUTPUT CURRENT SELECT switch (S25) to the T2 position.
(18)
Leave the phone plug connected as in step (5).
(19)
Connect a test lead from the positive DC VARIABLE VOLTS OUTPUT binding post to the ALTERNATOR
(T2) binding post, and connect a second test lead from the rectifier chamber (T2) binding post to the REGULATOR B+
binding post.
(20)
Repeat steps (8) through (14).
(21)
Set circuit breaker switch (CB1) to the OFF position.
(22)
Set AC AMMETER OUTPUT CURRENT RANGE switch (S26) to the X1 position, and set AC AMMETER
OUTPUT CURRENT SELECT switch (S25) to the T3 position.
(23)
Connect a test lead from the positive DC VARIABLE VOLTS OUTPUT binding post to the ALTERNATOR
(T3) binding post, and connect a second test lead from the rectifier chamber (T3) binding post to the REGULATOR B+
binding post.
(24)
Repeat steps (8) through (14).
(25)
Set circuit breaker switch (CB1) to the OFF position and disconnect the phone plug and test leads.
o.
MILLIVOLT METER MILLIVOLT DROP Meter 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)
Connect an ohmmeter between the GENERATOR G+ and GENERATOR F binding posts (fig 2-6), and
adjust FIELD CURRENT 0-32 AMPS
5-14
