OPERATION

Priming the Pump

NOTICE: To properly prime the pump, install a pipe tee in

the discharge piping (see Figure 1, Page 4).

To prevent damage to internal-parts, do not start motor until pump has been filled with water.

To prime pump:

1. Remove priming plug (Purchase separately; Figure 1, Page 4).

2.Fill pump with water.

3.Replace priming plug, using Teflon tape or Plasto-Joint Stik 2 on plug threads; tighten plug.

4.Start the pump. Water should be pumped in 1-2 minutes. If not, repeat steps 1, 2 and 3.

On shallow depths to water (10 feet or less), the pump

will probably prime the first time after the following steps 1 through 4 above.

From 10 to 20 foot depths, you might have to shut off the pump and repeat steps 1, 2 and 3 several times.

5. If, after priming pump several times, no water is

pumped, check the following:

A. Be sure suction pipe is in the water.

B. Be sure suction pipe does not leak.

C. Be sure that pump is not trying to lift water too high (see "Piping in the Well", Page 4).

D. As long as foot valve and check valve function cor- rectly and suction pipe does not develop leaks, pump

should not need repriming in normal service.

-"Lake Chemical Co., Chicago, Illinois

MAINTENANCE

Lubrication

It is not necessary to lubricate the pump or its motor. The

motor bearings are lubricated for life. The mechanical shaft

seal in the pump is water lubricated and self-adjusting.

Draining for Winter

La' _AMNtr_ta j Risk of electric shock. Disconnect power

before working on unit.

Pump should be drained whenever it is disconnected from service or is in danger of freezing.

1. DISCONNECT POWER.

2.Open faucet and relieve all pressure on system before proceeding.

3.Disconnect pressure switch tube (Key No. 17, Page 12)

at barbed elbow on pressure switch (Key No. 28) and allow tube to drain.

4.Open draincock (Key No. 22, Page 12) on pump body and allow pump to drain.

5.Remove priming plug to vent pump; disconnect hose (Key No. 6, Page 14) at tank end and drain pressure tank and all piping to a point below the frost line.

6.Be sure to drain any piping that may be cut off from nor- mal system drain due to check valve installation.

Vinyl Bag Removal

[,I_WARNING] Be sure ALL air pressure has been re-

leased from tank before removing nuts from flange.

Failure to do this may result in serious or fatal injury.

Do not attempt to .open tank unless all pressure has been relieved!

[AWARNING] Risk of electric shock. Disconnect power

before working on unit.

1.DISCONNECT POWER TO PUMP.

2.Drain system as follows:

A. Open faucet closest to tank.

B.Open draincock (Key No. 22, Page 12) on pump body.

C. Remove hose (Key No. 6, Page 14) from tank flange.

3.Relieve (expel) ALL air pressure in system by removing valve core.

4.Disconnect outside piping from tank and pump.

[&WARNING] To avoid serious or fatal injury, be

sure all air pressure has been released from tank

before proceeding to step 5.

5.Remove nuts and washers from tank inlet flange (Key No. 2, Page 14). Tap inlet flange to break seal. Remove flange.

6.Wherever convenient, hold bag with pliers and cut with single-edge razor blade or sharp knife. Bag will not come out in one piece. Continue pulling and cutting until bag is removed.

7.Clean and dry inside of tank.

8.Place replacement bag on a clean surface with opening up. Flatten bag and force air out.

9.Tightly roll bag towards center opening.

10.Before center opening is covered up, force air out of re- maining portion of bag. Finish rolling bag.

11.To make bag easier to insert into tank, sprinkle outside of bag with talcum powder.

12.Being careful not to break valve, stand tank on end. Push tightly rolled bag into tank.

13.Reach into bag and push out sidewalls. You need not remove all wrinkles.

14.Clean center opening ring on bag and lip on tank.

15.Pufl ring on bag through tank opening and fit over tank lip. BE SURE it seats properly in groove on tank lip.

16.Clean sealing surface of inlet flange and"pla'ce on studs.

17.NOTICE: Tighten nuts as follows:

A.Hand tighten all nuts.

B.Tighten one nut snug.

C.Tighten opposite nut snug.

D.Proceed, tightening opposite pairs to a snug fit.

E.Recheck all nuts, using same pattern. Be sure all nuts are tight and you have a good seal.

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Sears 390.252158 owner manual Operation, Maintenance
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390.252158 specifications

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