Craftsman 390.252156 User Manual Download

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OWNER’S

MANUAL

MODEL NO.

390.252156

CAUTION:
Read and Follow
All Safety Rules and
Operating 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
• Electrical
• Maintenance
• Repair Parts

PRINTED IN U.S.A.

CRAFTSMAN
1/2 HP SHALLOW WELL
WATER SYSTEM

Form No.

F642-9708

(Rev. 8/4/97)

FOR POSITION ONL

Y

Photo may vary from actual product.

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Summary of Contents for 390.252156

Page 1: ...se 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 PRINTED IN U S A CRAFTSMAN 1 2 HP SHALLOW WELL WATER SYSTEM Form No F642 9708 Rev 8 4 97 FOR POSITION ONLY Photo may vary from actual product ...

Page 2: ...to well con taminating well and possibly damaging pump 4 Protect pump and piping system from freezing Allowing pump or water system to freeze could severely damage pump and voids warranty To avoid serious injury and equip ment damage limit system pressure to 100 pounds per square inch PSI or below at all times Over pressure can cause tank blowup install relief valve capable of passing full pump vo...

Page 3: ...f 20 feet or less Plastic Pipe Plastic Pipe Foot Valve and Strainer Coupling Well Seal Dug or Cased Well 611 1293 Figure 1 Figure 2A Figure 2B Check Valve Steel Drive Pipe Drive coupling Driven point 6 Disconnect electrical power source before in stalling or working on pump 7 Ground pump with a ground wire run from ground ing lug on motor to a grounded lead in the service panel 8 Line voltage and ...

Page 4: ...It 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 five to ten feet above the bottom of the well Before installing the foot valve make sure that it works freely When using a foot valve a priming tee and plug as shown in Figure 1A Page 3 are recommende...

Page 5: ...mally to 28 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 been disassembled for service Do this as follows 1 Open faucets furthest from tank and allow pump to operate 2 Air in the system will cause a sputtering flow allow faucets to run until you h...

Page 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 start motor until pump has been filled with water To prime pump 1 Remove priming plug Purchase separately Figure 1A Page 3 2 Fill pump with water 3 Replace priming plug using Teflon tape or Plasto Joint ...

Page 7: ...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 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 an...

Page 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 fitting on top of pump To avoid serious injury release all pressure from system before attempting to re move clamp from pump C Remove clamp Key No 10 Page 12 D Remove pump base mounting bolts Motor as semb...

Page 9: ...until 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 open end wrench on shaft flats This will automatically locate seal in place See Figure 8 J Remount diffuser on seal plate Cleaning Impeller 1 Follow steps 1A through 1E under Disassembly and Assembly o...

Page 10: ... 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 top sur rounding the suction pipe Since the gases rise in the well casing the water sucked down through the pipe and into the suction pipe is free of gas This type of well must be vented to the outside of any enclosure N...

Page 11: ...d causing 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 but does not shut off or contacts are frozen 2 Faucets have been left open 2 Close faucets 3 Jet or impeller is clogged 3 Clean jet or impeller 4 Motor is wired incorrectly 4 Refer to instructions ...

Page 12: ... 27 28 29 30 587 1193 24 SEARS 1 2 HP SHALLOW WELL WATER SYSTEM Pump Only Model 390 252156 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 Your local Sears Service Center or Store 1A L1 L2 1B 1C 1D 1E Wiring omitted for clarity ...

Page 13: ...ozzle 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 18 U111 212T 90 Hose Barb 19 U9 226 O Ring Check Valve 2 1 4 x 2 x 1 8 20 N166 5P Check Valve 21 WC78 41T Pipe Plug 1 8 NPT 2 Required 22 U212 68T Draincock 1 4 NPT 23 U30 742SS Screw 10 16 x 1 1 8 4 ...

Page 14: ... Store Model 390 252156 Key 1 2 HP Qty No Part Number Used Description 1 29135 1 Tank Assembly Includes Diaphragm Elbow Valve Nuts Washers Inlet Flange U20 13 1 Bag Vinyl U212 160 1 Air Valve w Cap 2 U31 350P 1 Inlet Flange 3 U36 202BT 6 Nut 5 16 18 Hex 4 U78 769P 1 Elbow 1 NPT x 1 Insert 5 U19 55SS 2 Clamp 6 U74 37V 1 Hose 1 x 24 1 2 7 U78 777P 1 Adapter 1 Pipe to 1 NPT REPAIR PARTS Not illustrat...

Page 15: ...15 ...

Page 16: ... 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 REPAIRSERVICES America s Repair Specialists REPAIRSERVICES Sears Roebuck and Co Hoffman Estates IL 60179 U S A OWNER S MANUAL Model No 390 252156 The model number of your Shallow Well Water System will be found o...

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