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  TM 11-6130-266-15
6-6. Power Transfer Test
a. Test Equipment and Materials.
(1) Transformer, Variable TF-171A.
(2) Multimeter TS-358B/U.
(3) Simulator, Battery, Variable Load Bank (FMC63743, type K48149).
(4) 24-volt vehicular battery.
(5) Connector, Electrical (FSN 5935-9 21-3398, 2 required).
b. Test Connections and Conditions . To perform this test, connect the equipment as shown in figure 6-2. (Do not connect the load bank for steps (1) through
(3)).
c. Procedure.
Control Settings
Step No.
Test procedure
Performance standard
Test equipment
Equipment under test
1
a. TF-171A set at
a. 230V-115V switch to
a. NORM indicator is not lighted.
minimum out-
115V.
put position
(fully counter-
clockwise).
b. Load bank not
b. AC circuit breaker to
b. EMER indicator lamp is lighted.
connected.
ON.
c. Connect 24-volt
c. DC circuit breaker to
vehicular bat-
ON.
tery.
2
Increase TF-171A
Same as step No. 1.
a. NORM indicator lamp lights.
voltage to 100
b. EMER indicator lamp goes out.
volts ac.
3
Decrease TF-171A
Same as step No. 1.
a. NORM indicator lamp goes out.
voltage to 80 volts
b. EMER indicator lamp lights.
ac.
4
Same as step No. 1,
Same as step No. 1.
Same as step No. 1.
except load bank
is connected and
adjusted for 25
amperes.
5
Same as step No. 2,
Same as step No. 1.
Same as step No. 2.
except load bank
is connected and
adjusted for 25
amperes.
6
Same as step No. 3,
Same as step No. 1.
Same as step No. 3.
except load bank
is connected and
adjusted for 25
amperes.
6-6
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