Sears 390.304692 - Manual (Page 6)

SERVICE / SPECIFICATIONS
General
A WARNING Rjsij Qf electric shock. When servicing
pump always disconnect power to electrical outlet
and remove pump electric cord from outlet.
1. II' pump docs not operate:
a. Cheek 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 liglit, 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 Sears Service Department
for repairs.
5. Pump runs, but 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 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; feathered float must be able to swing through its
complete arc without interference from sidewall of sump,
lilLinibiiig or any other object.
1. Remove pump power cord from switch itlug.
2. Remove tether clamp screw and slide ctjrd from clamp.
3. Insert new cord in tether clamp. But the clamp at the
same distance from the float that it was (tn the old switch.
4. Tighten tether clamp screw.
3. Check sum]5 pump operation by filling sump with water
and observing operation through one cttmplete cycle.
A WARNING 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 Width Height 5'(1.6) 10-(3) 15’(4.6) 20' (6.1) 25' (7.6)
30469 V3 13.0 9" (229) 6-1/2" (165) 11-1/2" (292) 50(189) 41 (155) 28(106) 3(11.4) -
3050 ^/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)