Specifications, Teathered Switch Replacement

SERVICE / SPECIFICATIONS

General

[AWARNING]RJsk of electric shock. When servicing

pump always disconnect power to electrical outlet and remove pump electric cord fi'om 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/(trcult 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 Eght 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 impeUer 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.

3.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: 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 fiUing sump with water

and observing operation through one complete cycle.

_Failure to check installation with water

in sump can lead to improper operation, premature

pump failure and flooding.

SPECIFICATIONS

Stock		Maximum	Dimensions in inches (mm)				GPM (L/rain.) at Vertical Pumping Distance in Feet (M)
Number	HP	Amps	Length	Width		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)
3O579	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)

390.30579, 390.305001, 390.30479 specifications

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