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ELECTRICAL
/ MAINTENANCE
Grounding
Outlet
If your outlet is not gronnded,
install a copper
wire,
at least
14 gauge
(2mm-'),
from the outlet
box, as shown
in Figure
3B, to a metal cold \vatt'r pipe
list. ground
clamp
on pipe.
IMPORTANT:
The cold
\\atcr
pipe you use as a ground
nltlst have metal continuity
to electrical
ground,
if contimv
ity is interrupted
by plastic,
rubber,
or other
electrical
insu-
laturs; such as hoses,
littings,
washers
or gaskets
(including
water
meter
or pump),
a metal bypass
must
be used. Any
electrically
insulated
connector
should
be jumped
(as shown
in Figure 3C), with a length
of No. 4 wire clamped
securely
at both
ends.
Outlet
IBex
Figure 3B
i
Bare copper wire to
cold water pipe.
6690194
No. 4
Clamp
Wire
Metal Water
Pipe
Figure 3C
Meter
670 0!94
Automatic
Thermal
Overload
Protection
This pump
motor has a built-in
automatic
thermal overload
protector.
If the motor
overheats,
the protector
wiU 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.
_DO
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 non-operational
sump
pump.
Take it to Sears for service
by a qualified
technician.
Generator
Sizing
Below is the minimum Engine4;enerator
Watt rating required
to power this pump motor. Any additional loads, such as lights,
must he added to the listed load ;rodthe g_'nerator sized ac
cordiugly (;cncnltors are awdlablc at all Scars Stores
Pump
Minimum Watt
Model
HP
Rating of Generator
390.305001
1/2
2800
390.304692
1/3
4500
390,304790
1/3
3400
390,305790
1/2
4200
MAINTENANCE
I_k CAUTION ]Make
certain
that the pump
is unplugged
before
attempting
to service
or remove
any
compo-
nent.
1. The motor
in the unit is sealed in oil. No additional
lubri-
cation
is necessary.
2. IMPORTANT:
Disassembly
of the motor
assembly
will
void the warranty.
It might also cause internal
leakage
and
damage
to the unit.
If repairs
are required,
return
the
pump
to the dealer
from whom
it was purchased.
3. Inlet screen
should
be kept clean and free of all foreign
objects.
Pump
Cleaning
NOTICE:
Attempting
to disassemble
motor
will void the
warranty.
1. Disconnect
power cord from electrical
outlet before work-
ing on ptnnp.
Tbe volute
bottom
may be removed
to re-
place impeller
or clean pump
of mud or debris.
2. Remove
screws
from volute
bottom
and clean impeller.
Replace
the gasket/O-Ring
if it is damaged.
To Reassemble:
Attach
volute
bottom
to volute
top with screws.
5
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