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ELECTRICAL

MAINTENANCE

Lubrication

It is not necessary to lubricate the pump or its motor.
The motor bearings are lubricated for life. The me-
chanical shaft seal in the pump is water lubricated and
self-adjusting.

Draining for Winter

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 be-

fore 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

normal system drain due to check valve installation.

Vinyl Bag Removal

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!

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

elbow.

3. Relieve (expel) ALL air pressure in system by re-

moving valve core.

4. Disconnect outside piping from tank and pump.

To avoid serious or fatal injury, be

sure all air pressure has been released from
tank before proceeding to step 5.

5. Pop flange cover off and remove nuts from tank

cover plate (Key No. 2, Page 14). Tap cover plate to
break seal. Remove plate.

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 remaining portion of bag. Finish rolling bag.

11. To make bag easier to insert into tank, sprinkle out-

side 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. Pull 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 cover plate and place 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.

7

Table II Wiring Chart

Recommended Wire and Fuse Sizes

Distance in Feet from Motor to Meter

Branch

0’

101’

201’

301’

401’

Max.

Fuse*

to

to

to

to

to

Motor

Load

Rating

100’

200’

300’

400’

500’

Horsepower

Volts

Amps.

Amps

Wire Size

115

8.8

15

14

12

10

8

8

1/2

230

4.4

15

14

14

14

14

12

Содержание Craftsman 390.252151

Страница 1: ...s Before First Use of This Product Save This Manual For Future Reference Sears Roebuck and Co Hoffman Estates IL 60179 U S A Safety Instructions Installation Electrical Maintenance Repair Parts PRINTE...

Страница 2: ...or national plumbing and electri cal codes when installing pump 3 Keep well covered while installing pump to prevent leaves and other debris from falling into well con taminating well and possibly da...

Страница 3: ...ased Well 611 1293 To Service To Service Priming Plug Tee Figure 1A Figure 1B Figure 2A Figure 2B Check Valve Steel Drive Pipe Drive coupling Driven point 6 Disconnect electrical power source before i...

Страница 4: ...t should be in stalled five to ten feet below the lowest level to which the water will drop while the pump is operating pumping water level To keep sediment from clog ging the strainer be sure it is f...

Страница 5: ...8 PSI It is necessary to flush all air out of the piping system and water reservoir portion of the pre charged tank This is required on new installations pumps requiring repriming and pumps that have...

Страница 6: ...on power to pump ELECTRICAL OPERATION Priming the Pump NOTICE To properly prime the pump install a pipe tee in the discharge piping see Figure 1A Page 3 To prevent damage to internal parts do not star...

Страница 7: ...from tank and pump To avoid serious or fatal injury be sure all air pressure has been released from tank before proceeding to step 5 5 Pop flange cover off and remove nuts from tank cover plate Key N...

Страница 8: ...be needed the pump and piping do not need to be dis connected or disturbed 1 Disassemble pump as follows A Disconnect power B Drain pump by opening drain cock Remove pressure switch tubing from fittin...

Страница 9: ...ntil rubber drive ring hits shaft shoulder NOTICE BE SURE you do not chip or scratch seal face on shaft shoulder or seal will leak I Screw impeller on shaft clockwise while hold ing shaft with 7 16 op...

Страница 10: ...gases which must be allowed to escape before the water is used This can be done as shown in Figure 9 A good way of delivering gas free water is to suspend a pipe closed at the bottom and open at the t...

Страница 11: ...using excess friction new steel pipe above 3 Offset piping is too small in size 3 Use larger offset piping Pump pumps water 1 Pressure switch is out of adjustment 1 Adjust or replace pressure switch b...

Страница 12: ...27 28 29 30 587 1193 24 SEARS 1 2 HP SHALLOW WELL WATER SYSTEM Pump Only Model 390 252151 To Order Parts in the U S A Call Sears Product Service 1 800 366 7278 To Order Parts outside the U S A Call Yo...

Страница 13: ...zzle 14 N76 29P Insert 15 J20 18 Gasket 16 N176 28PB Tank Body Assembly Front Half Includes Key No s 11 12 13 14 15 16 19 20 21 23 and 24 16 N76 28P Tank Body Only Front Half 17 U37 673P Switch Tube 1...

Страница 14: ...e Model 390 252151 Key 1 2 HP Qty No Part Number Used Description 1 U231 289 S 1 Tank Assembly Includes Diaphragm Valve Nuts Inlet Flange U20 13 1 Bag Vinyl U212 160 1 Air Valve w Cap 2 U131 167 1 Inl...

Страница 15: ...about an existing Agreement call 9 am 5 pm Monday Saturday 1 800 827 6655 M A I N T E N A N C E A G R E E M E N T America s Repair Specialists REPAIRSERVICES America s Repair Specialists REPAIRSERVICE...

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