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OPERATION

3. Remove seal plate from motor by inserting two screw-

drivers between the seal plate and the motor flange. Pry
seal plate off motor flange. This will force rotating portion
of seal off shaft.

NOTE:

Be sure you do not scratch shaft!

See Figures 5 & 6.

4. Place seal plate face down on flat surface and tap out ce-

ramic seat.

NOTICE: 

Do not force out copper insert. If it has moved,

leakage will occur. See section on installing copper insert on
Page 8.

5. Clean seal cavity.

6. Install new seal.

A. Clean polished surface of ceramic seat with clean

cloth.

B. Wet outer edge of cup seal with petroleum jelly or de-

tergent solution.

C. With finger pressure, press firmly and squarely into

cavity. Polished face of seat faces inside of pump. If
seat will not locate properly, place cardboard washer
over polished face and use piece of 3/4” standard pipe
for pressing purposes. See Figure 7.

D. Dispose of cardboard washer and clean surface of

seat.

E. Clean motor shaft.

F. Reassemble seal plate to motor flange. BE SURE it is

right side up: index pins should be down; seal plate
is marked at top. See Figures 8A and 8B.

G. Apply detergent solution to inside diameter of rotat-

ing seal member.

H. Slide rotating member on shaft until rubber drive ring

hits shaft shoulder.

NOTE:

Be sure you do not chip or scratch seal face

on shaft shoulder or seal will leak!

7

Figure 5

Figure 6

Figure 7

Figure 8A

Figure 8B

Summary of Contents for CRAFTSMAN HYDROGLASS 390.250284

Page 1: ...Instructions 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 Operation Troubleshooting Repa...

Page 2: ...izing is essential to proper motor operation Recommended fusing and wire size data is in the manual Page 5 11 Pump water only with this pump 12 Periodically inspect pump and system components Motor no...

Page 3: ...ot valve and strainer should be installed for easy priming It should be five to ten feet below the lowest level to which the water will drop while pump is operating pumping water level The strainer sh...

Page 4: ...pump is very similar to cast iron pumps We ask however that you keep the following points in mind IMPORTANT Use teflon tape supplied with the pump for making all threaded connections to the pump it s...

Page 5: ...switch as shown in Figure 4 5 FIGURE 4 Motor wiring connections through Pressure Switch Match motor voltage to line voltage Your Motor Terminal Board under the motor end cover and Pressure Switch look...

Page 6: ...o a point below the freeze line To drain an air volume control AVC remove the tubing from it and turn the AVC upside down This will permit any water in the AVC to drain into tank Disassembly and Assem...

Page 7: ...eum jelly or de tergent solution C With finger pressure press firmly and squarely into cavity Polished face of seat faces inside of pump If seat will not locate properly place cardboard washer over po...

Page 8: ...Page 11 stays in place on top of diffuser Installing Copper Insert NOTE If the copper insert Key No 4 Page 11 moves or shifts during seal removal it should be removed and rein stalled 1 Remove copper...

Page 9: ...ction as the dislodging tool was inserted 4 Replace nozzle and venturi Do not overtighten 5 Reassemble per pump instructions on Page 6 HELPFUL HINTS How to Handle a Gaseous Well In some areas well wat...

Page 10: ...es not 1 Water level in well is lower than 1 A deep well jet pump may be needed over 20 ft to water deliver water to full estimated capacity Also 2 Steel piping if used is corroded or 2 Replace with p...

Page 11: ...C78 41T 1 Pipe Plug 1 8 NPT 14 U111 212T 2 90 Hose Barb 15 U37 669P 1 Switch Tube 16 J20 18 1 Gasket 17 N76 29P 1 Pump Body Jet Insert 18 U30 742SS 4 Capscrew 10 16 19 N34P 19 1 Nozzle 45 20 N32P 66 1...

Page 12: ...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 REPAIRSERVICES America s Repair Specialists REPAIR...

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