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SERVICE
General
[_kWARNING [Risk
of electric
shock.
When
servicing
pump
always
disconnect
power
to electrical
outlet
and
remove
pump
electric
cord from
outlet.
1. 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 automatic
float switch.
d. If a, b, and c above check OK, plug in a light that you
know
works.
If it lights, take your pump
to Seai's 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
the 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, but does not empty sump:
a. Clean pump
intake screen.
b. VCratermay be entering
sump faster than the pump
can
discharge
it.
c. Be sure vertical
distance
from pump
discharge
outlet
to discharge
pipe outlet does not exceed
specifications.
See chart below.
d. Be sure discharge
pipe is not plugged
or frozen.
e. Be sure check valve is operating
correctly.
[&WARNING }Risk of electric
shock.
Unplug
pump
be-
fore
attempting
to service
or remove
any component.
1. The motor
in the unit is sealed in oil. No additional
lubri-
cation
is necessary.
2. NOTICE:
Disassembly
of the motor
assembly
will void
warranty.
It might also cause internal
leakage and damage
to the unit. If motor
fails, replace entire pump.
3. Keep inlet screen
clean and free of all foreign
objects.
Pump Cleaning
1. NOTICE:
Attempting
to disassemble
motor will void war-
rarity.
2.To clean impeller,
remove
eight screws
holding
baseplate
to motor assembly.
Clean/replace
impeller
as necessary.
To remove
impeller,
unscrew
it from motor
shaft.
3. Re-install baseplate
and screws.
FLOAT
SWITCH
REPLACEMENT
(Models
390.304551
and 390.304611;
For Model
390.304691,
see Page 7)
NOTICE:
Float must be able to swing through
its complete
arc without
interference
from sidewall
of sump,
plumbing
or any other object.
1. Unplug pump
power
cord from receptacle.
2. Remove
tether
clamp
screw and slide cord from damp.
Unscrew
tee-handle
from pump body.
3. Insert new cord in tether clamp in same location on cord
with
respect
to float.
Install
tee-handle
in pump
and
tighten.
4. Tighten
tether clamp screw.
5. Check sump pump
operation
by filling sump with water
and observing
operation
through one complete
cycle.
{aXWARNINGIFailure
to check
installation
with water
in sump
can lead to improper
operation,
premature
pump
failure
and flooding.
Stock
Maximum
Number
HI=
Amps
30455
1/4
8.5
30461
1/3
13.0
30469
1/3
13.0
SPECIFICATIONS
Dimensions in inches (ram)
GI=M (L/rain.)at Vertical PumpingDistance in Feet (M)
Width
Height
8-1/2"(216)
9-3/4"(248)
6-1/2"(165)
11-1/2"(292)
6ol/2"(165)
11-1/2"(292)
5'(1.8)
38(144)
50(189)
50(189)
10'(3)
27(102)
41 (155)
41 (155)
15'(4.6)
18'(5.5)
20'(6.1)
11(41.6)
-
-
28(106)
15(57)
3(11.4)
28(106)
15(57)
3(11.4)
Length
8-1/2" (216)
9"(229)
9"(229)
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