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Grounding
Outlet
If outlet is not grounded,
install a copper wire (at least 14
gauge) from the outlet hox, as shown in Figure 4, to a metal
cold water pipe. Use ground clamp on pipe•
IMPORTANT: The cold water pipe you use as a ground
must have mt, tal continuity to electrical ground. If contintfity
is intcrruptcd by plastic, robber, or other electrical illsuhl-
tot-s; such as hoses, fittings, washcrs or gaskets (including
water meter or pump), a metal bypass Intlst l)e used. An)'
electrically insulated connector
should be jumped (as shown
in Figure 5), with a length of No. 4 wire clamped securely
at both ends•
Figure 4
Outlel
Box
•Q:,
0are
co erwlreto
5"__
cold wa{°e_rpipe
669 0194
No, 4
Clamp
Wire
Metal Water
Pipe
Figure 5
Meter
670 0194
Automatic
Thermal
Overload
Protection
This pump
motor
has a built-ifi automatic
thermal
overload
protector.
If the motor
overheats,
the protector
will open
and cut off power
to the motor
before
the heat damages
it
internally.
The overload
will reset
automatically
and the
pump
will restart
after the pump
cools down below
the dan-
ger point.
[& WARNING 1DO NOT attempt
to work
on the pump
or
motor
if the
overload
seems
to have
tripped.
The
motor
may
restart
without
warning
at any
time.
You
could
be injured
and
the pump
damaged
if it starts
when
you are working
on it.
DO NOT attempt
to repair a sump
pump
Take it to SEARS
for service
by a qualified
technician.
GENERATOR
SIZING
Below is the Engine Generator
Watt ratiug
required
to
power this pump motor. Any additional loads, such as lights,
must he added tu the listed load and the genenttor sized ac-
cordingly.
Pump
Minimum
Watt
Motor HP
Rating of Generator
1/3
2,200
1/2
2,800
SERVICE
General
[_.WARNINGIRisk
of electric
shock.
When
servicing
pump
always
disconnect
power
to electrical
outlet
and
remove
pump
electric
cord
from
outlet.
Inspect
sump
pump
and
system
components
monthly.
Keep
free
of debris
and
foreign
objects.
I. If pump does not operate:
a. Check for loose plug at electric outlet.
b. Check for blown fuses or tripped circuit breakers at
fuse box/circuit
breaker box.
c.
Be sure nothing
interferes
with action
of float switch.
d
If a, b, and c above
check OK, plug in a Rght that you
know
works.
If it lights, take your pump
to SEARS for
service.
If it doesn't
light, the electrical
circuit
is faulty;
consult
a licensed
electrician.
2. Pump starts, but blows fuses/trips circuit breakers:
After disconnecting
power
to pump, remove
it from
sump. Remove tbe plate from the bottom of the pump
and make sure that the impeller turns freely. Remove any
debris obstructing
impeller. If pump still does not oper-
ate correctly,
return it to your nearest
SEARS Service
Department
for repairs.
3. Pump runs, hut does not empty sump:
a. Clean pump intake screen.
b. Water may be entering sump faster than the pump can
discharge it.
c. Be sure vertical distance from pump discharge outlet
to discharge
pipe outlet is 18 feet or less for Model
390.303302 (20 feet or less for Model 390.303491).
d. Be sure discharge pipe is not plugged or frozen.
LUBRICATION
Motor has been lubricated
at the factory.
It does not require
additional
oil. Bronze
bearing
in volute
housing
is oil im-
pregnated.
It does not require
additional
oil
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