(10) Perform after operation PMCS.
2-6.
Remote Operation of Two
Pu 794/G’s.
Disregard the paralleling
instructions on the inside
of the control panel door.
a.
Perform before operation PMCS.
b.
Ensure the PU 794/G’s have been
cabled for two PU 794/Gs according to
paragraph 2-3c.
c.
Start PU 794/G unit 1 from the
remote control unit according to para-
graph 2-5.a. (2) through (4). Unit 1 is
now supplying power for normal opera-
tion.
d.
To transfer load, for maintenance,
start PU 794/G unit 2 from the remote
control unit as follows:
(1) Start PU 794/G unit 2 by
placing the SET No. 2 ENGINE switch on
the remote control unit in the START
position and hold until the ENG RUNNING
lamp lights.
(2) Turn the FREQ ADJUST control
for SET No. 2 slowly until the SYN LIGHT
changes intensity at 3 to 5 second inter-
vals.
(3) Watch the light carefully.
When the light achieves the dimmest
point, move the CONTACTOR switch to the
CLOSE position and hold until the CON-
TACTOR CLOSED lamp lights.
(4) The two PU 794/Gs are now
sharing the load.
(1) Place the CONTACTOR switch of
SET No. 1 in the OPEN position.
TM5-6115-634-14&P
NAVFAC P-8-647-14&P
TO-35C2-3-445-14
TM-6115-14&P/1
(2) Allow the PU 794/G unit 1 to
operate without a load for 3 minutes.
(3) Place the ENGINE switch of
SET No. 1 in the STOP position.
f.
Perform after operatin PMCS.
2-7.
Preparation for Movement
Lethal voltages are present
at the load connection board
of the generator set during
operation.
Do not attempt to
connect or disconnect load
leads while the generator set
is operating.
Do not attempt
to connect or disconnect load
leads with the generator set
shut down and the load con-
nected to another power source,
or while the generator set is
paralleled to another unit
which is operating.
Serious
injury or death by electrocu-
could result.
a.
Disconnect the cables from the
shelter, the junction box and the con-
nector plate.
b.
Disconnect the ground wire from
the connector plate and ground rod.
c.
Store the power cables and ground
wire in the cable pan.
Store the con-
trol cables and paralleling cable on the
cable reel.
d.
Remove the ground rod.
(1) Release the curbside hand-
brake.
Remove the slide hammer (1) from
the front of the trailer. Remove the
slide hammer assembly (2) from the acces-
sory, box.
(2) Remove the nut (3) from the
slide hammer assembly and place slide
hammer over the rod (5).
2-17
