Service / specifications, Specifications – Sears 390.30579 User Manual
Page 6
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SERVICE / SPECIFICATIONS
General
A
WARNING
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 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 the screen
and shield from the bottom of the pump and make sure
that the impeller turns freely. Remove any debris ob
structing impeller. If pump still does not operate cor
rectly, return it to your nearest Scars Service Department
for repairs.
3
. Pump runs, but does not empty sump:
a. Qean pump intake screen.
b. Water may be entering sump faster than the pump can
discharge it
c. Be sure vertical distance from pump discharge oudet
to discharge pipe outlet does not exceed maximum
vertical
pumping
distance
shown
in
“Specifications,”
below.
d. Be sure discharge pipe is not plugged or frozen.
TEATHERED SWITCH REPLACEMENT
NOTICE: Teathered float must be able to swing through its
complete arc without interference from sidewall of sump,
plumbing or any other object.
1. Remove pump power cord from switch plug.
2. Remove tether clamp screw and slide cord from clamp.
3
. Insert new cord in tether clamp. Put the clamp at the
same distance from the float that it was on the old switch.
4. Tighten tether clamp screw.
5
. Check sump pump operation by filling sump with water
and observing operation through one complete cycle.
A WARNING I Failure to check installation with water
in
sump
can
lead
to
improper
operation,
premature
pump failure and flooding.
SPECIFICATIONS
stock
Number
HP
Maximum
Amps
Dimensions in inches (mm)
GPM (L/min.) at Vertical Pumping Distance in Feet (M)
Length
Witfth
Height
5'(1,6)
10' (3)
15' (4.6)
20
' (6.1) 25' (7.6)
3050
1/2
7.6
9" (229)
6-1/2" (165)
11-1/2" (292)
61 (231)
56 (212)
50(189)
46(174)
43(163)
30479
1/3
9.8
9-3/4" (248)
7-5/16" (186) 11-1/2" (292)
48 (182)
39(148)
29(110)
16(61)
-
30579
1/2
12.0
9-3/4" (248)
7-5/16" (186) 11-1/2” (292}
62 (235)
53 (200)
46(174)
38(144)
26 (98)