ARMY TM 9-6115-643-10
AIR FORCE TO 35C2-3-445-21
Rotate both
c.
Adjust frequency of
g.
FREQUENCY adjust
generator set No. 2
potentiometers to
until synchronizing
obtain the same
lights glow bright
frequency indication
and dark in unison
on both sets.
at 2 to 3 second
Ensure load
intervals.
contactor at load is
CAUTION
open.
Position and hold AC
d.
Check that load
contactor at
CIRCUIT INTERRUPTER
switch, on generator
load is open
set No. 1, to CLOSED
before attempt-
ing to place
until indicator
lights.
generators on
the line.
e.
Place the UNIT-
Failure to
PARALLEL switch on
observe this
both units in
caution can
PARALLEL position.
result in damage
to generator
CAUTION
sets.
If synchronizing
h.
When both
lights
on
synchronizing lights
generator set
are dark, position
No. 2 do not
and hold AC CIRCUIT
glow bright and
INTERRUPTER switch
of generator set No.
dark in unison,
2 to the CLOSED
the phasing is
wrong. Shut
position until
down generator
indicator lights.
sets and check
NOTE
that load cables
are connected
properly.
The generator
Failure to
sets are now
observe this
operating in
caution can
parallel with no
result in damage
load.
to generator
sets.
i.
Rotate FREQUENCY
adjust potentio-
f.
Observe synchroni-
meter of generator
zing lights on
set No. 1 until
kilowattmeter
generator set No. 2.
The lights should be
(PERCENT POWER)
glowing bright and
indicates
dark in unison.
approximately "0" .
2-27
