6
at an authorized Hydromatic service
center. Charges will not be allowed
if (in war ran ty) pump is not taken to
an authorized Hydromatic service
cen ter. This will ensure the integrity
of the hazardous location rating
of the pump and com ply with our
warranty re quire ments.
Disconnecting Pump Cords:
If a Hydromatic hazardous location
pump is to be removed from its
lo ca tion, the pump cords may be
disconnected at control panel (on
sump mounted con trol panels) and
cord as sem bly taken with pump.
CAUTION: If cord openings from
sump to con trol panel are open, gas-
es from sump could enter panel and
an explosive condition could ex ist.
CAUTION: Do not reconnect
pow er to a cord and cap assembly
while removing from the pump.
Replacing Stator:
1. If stator only is damaged
it may not be necessary to
completely dismantle pump
as stator and hous
ing can
be lifted from pump without
disturbing seals or bear ings.
2. Drain all oil from upper
housing, remove from upper
housing, re move drain plug in
bot tom of sta tor housing and
remove plug in top of housing
to allow air to en ter.
3. After chamber is drained,
remove hold-down bolts and
lift off. Use care in lifting as
the seal failure con nect ing
wire must be dis con nect ed
before housing is com plete-
ly removed.
4. Set assembly on bench
and re move connection
box. When box is lifted off,
connection wires to motor
will be exposed. These wires
may be burned, but each wire
is tagged with a metal marker
giving wire number. Cut
the wires.
If the leads to the connection
box are burned, a complete
new con nec tion box with
new wire must be used.
The wires are potted in with
sealing compound and a new
unit must be obtained from
the factory.
5. The stator is held in the
housing with a bolted-in
clamp ring.
6. After ring is removed, turn
hous ing upright and bump on
hard wood blocks. This should
jar the stator loose and allow
it to drop out.
7. Thoroughly clean housing
before replacing new
stator. Replace sta tor and
make all wire con nec tions
to connection box before
replacing housing on pump.
This is im por tant as leads
must be tucked behind the
windings by using hands up
through rotor core.
PROBE TEST RESISTOR
ON HAZARDOUS LOCATION ONLY
–
PROBE TEST RESISTOR
ON HAZARDOUS LOCATION ONLY
–
–
–
PROBE TEST RESISTOR
ON HAZARDOUS LOCATION ONLY
PROBE TEST RESISTOR
ON HAZARDOUS LOCATION ONLY
GR
EEN/YELLO
W
WHITE/BLU
E
BLAC
K
RED
WHITE/BLU
E
BLAC
K
RED
GREE
N
GREEN
RED
RED
WHITE/BLU
E
BLAC
K
RED
WHITE/BLU
E
BLAC
K
RED
BLUE/WHIT
E
RE
D
RE
D
BLACK
GREEN
RE
D
ORAN
GE/PIN
K
BLUE
/WHITE
BLAC
K
RED
RED
GREE
N
GREEN
GR
EEN/YELLO
W
BLUE/WHITE
RE
D
RE
D
BLACK
GREEN
RE
D
ORANGE/PIN
K
BLUE/WHITE
BLAC
K
GREEN/YELLO
W
BLUE/W
HITE
RE
D
RE
D
BLAC
K
GREEN
RE
D
ORAN
GE/PIN
K
BLUE
/WHITE
BLAC
K
GREE
N
GREEN
RED
RED
WHITE/BLU
E
BLAC
K
RED
GREE
N
GREEN
GR
EEN/YELLO
W
BLUE/WHITE
RE
D
RE
D
BLACK
GREEN
RE
D
ORANGE/PIN
K
BLUE/WHITE
BLAC
K
RED
RED
Summary of Contents for S3R
Page 9: ...9 Wiring Diagrams...
