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 TM 55-1905-223-10
(b)
Adjust GENERATOR 2 VOLTAGE ADJUST RHEOSTAT (13) to read 240 volts on
GENERATOR 2 VOLTMETER (8).
NOTE
If generator is started with AUTO OFF MANUAL switch in
MANUAL position, voltage adjustment is made by EXCITA-
TION CONTROL (14).
(c)
Adjust GENERATOR 2 SPEED CONTROL (12) to read 60 Hertz on GENERATOR 2
FREQUENCY METER (10).
(8) On Main Switchboard, set GENERATOR 2 CIRCUIT BREAKER as follows:
(a) Turn CIRCUIT BREAKER LOADING ARM (18) clockwise 90 degrees.
(b) Return LOADING ARM (18) to the vertical position.
e. Parallel generator 2 to-generator 1.
(1) On Main Switchboard, set SYNCHROSCOPE SWITCH (17) to GEN 2 position.
(2) Adjust GENERATOR 2 SPEED CONTROL (12), until pointer on SYNCHROSCOPE (6) is rotating in
the FAST direction -clockwise).
(3) When SYNCHROSCOPE (6) pointer reaches top dead center, press CLOSE pushbutton (19) to
release circuit breaker spring connecting generator No. 2 in parallel with generation No. 1.
(4) Adjust GENERATOR 2 SPEED CONTROL (12) to balance GENERATOR 2 WATTMETER (9) with
GENERATOR 1 WATTMETER (4).
(5)
Adjust GENERATOR 2 VOLTAGE ADJUST RHEOSTAT (13) to balance GENERATOR 2
(7) Ensure GENERATOR 1 FREQUENCY METER (2) and GENERATOR 2 FREQUENCY METER (10)
each indicate 60 Hertz, adjust GENERATOR 1 SPEED CONTROL (1) or GENERATOR 2 SPEED
CONTROL (12) until balanced readings are obtained; maintain equal load on each generator.
(8) On Emergency Generator Diesel Engine Control Panel (FIGURE 2-129), set RUN-OFF-AUTO switch
(1) to the AUTO position.
(9) On Emergency Switchboard (FIGURE 2-130), set MODE SWITCH (1) to AUTO position.
(10) On Emergency Generator Diesel Engine Control Panel (FIGURE 2-129) rotate EMERGENCY STOP
switch (2) counterclockwise until it "pops" out.
2-385
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