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GEK-95352
12
See Figure 4 and the following
paragraphs for further instructions.
Also see maintenance instructions.
To make water connections, simply
remove the pipe plugs (furnished for
shipping) from brass fittings B and
make connection to female pipe-
tapped hole in accordance with ap-
plicable codes and good practice.
TIGHTEN CONNECTIONS SE-
SECURELY BUT NOT EXCES-
SIVELY. It is recommended that
the upper fitting be used for inlet
and lower fitting for drain.
DO NOT LOOSEN SCREWS F OR
REMOVE PART B WHEN
CONNECTING WATER SUPPLY
TO MOTOR: PART B MUST BE
FULLY SEATED AGAINST
PART A TO COMPRESS THE
WATER/OIL SEALING O-RING.
Part A is screwed into the endshield
wall and locked with set-screws E --
when making water connection
check part A to be sure it is tight
and there are no oil leaks around it.
Since there is no solid connection
between parts A and C, inadvertent
loosening of internal connections is
minimized.
COOLING COIL CONNECTION FITTINGS
IV. OPERATION
Before energizing the motor for
the first time or after an ex-
tended shutdown, it is advis-
able to check insulation resis-
tance, power supply and me-
chanical freedom of the motor.
If the motor has been stored in a damp loca-
tion, dry it out thoroughly before operating.
Be sure that the motor is not
running and the power supply
is disconnected before working
on motor.
A. Steps Prior to Initial Start-Up or
After a Long Idle Period
1. Check insulation resistance as
indicated in the caution above.
Before measuring insulation
resistance the machine must be
at standstill and all windings to
be tested must be electrically
connected to the frame and to
ground for a time sufficient to
remove all residual electrostatic charge. Failure
to observe these precautions may result in in-
jury to personnel.
In accordance with established stan-
dards, the recommended minimum
insulation resistance for the stator
winding is as follows:
VS
R
S
=+ 1
1000
Where RS is the recommended
minimum insulation resistance in
megohms at 40º C of the entire sta-
tor winding obtained by applying di-
rect potential to the entire winding
for one minute, and VS is rated ma-
chine voltage.