Sears CRAFTSMAN 390.253251 Owner'S Manual Download Page 1

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OWNER’S

MANUAL

MODEL NO.

390.253251

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
• Operation
• Maintenance
• Repair Parts

PRINTED IN U.S.A.

MULTI-STAGE JET PUMP

Form No.

F642-9807

(Rev. 9/25/02)

Summary of Contents for CRAFTSMAN 390.253251

Page 1: ...ing 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 Operation Mainte...

Page 2: ...or below at all times Over pressure can cause tank blowup in stall relief valve capable of passing full pump vol ume at 100 PSI 5 With a new well test well for purity before use Consult local Health...

Page 3: ...in the tank drops to 40 pounds per square inch PSI and stops the pump when the tank pressure reaches 60 PSI Adapter Flange The VMS pump is equipped with an adapter flange This adapter facilitates inst...

Page 4: ...3 2 2 1 1 HP 29902 60 11 0 9 5 8 6 7 8 6 6 5 4 4 7 4 6 4 2 3 4 2 6 1 7 40 11 7 11 1 10 2 9 2 7 8 6 4 5 1 5 0 4 5 4 0 3 2 2 1 29660 60 11 0 9 5 8 6 7 8 6 6 5 4 4 7 4 6 4 2 3 4 2 6 1 7 Multi Stage Pump...

Page 5: ...ough pump 8 Unions installed near pump and well will aid in ser vicing Leave room to use wrenches Motor normally operates at high temper ature and will be too hot to touch It is protected from heat da...

Page 6: ...always at least five feet from the bottom of the well 8 Tighten all hose clamps securely on plastic pipe Use two clamps per joint to prevent air leaks into suction pipe Clamp screws should be on oppos...

Page 7: ...e b Leather packer type ejector with built in foot valve c Turned couplings supplied with packer type ejector d Well casing adapter supplied with packer type ejector 1 Connect ejector to first length...

Page 8: ...mponents When water is drawn off through house fixtures the pressure in the tank is lowered and the pressure switch starts the pump Standard Tank Connection When a standard tank is used an air volume...

Page 9: ...ange voltage A B L2 L1 A B L2 L1 A B L2 L1 A B L2 L1 230 Volt to 115 Volt Conversion Spade Connector Type Move black wire from A to L1 1 1 2 2 3 3 3187 0398 A B L2 L1 A B L2 L1 Ground Screw Move white...

Page 10: ...igure 14 Page 9 Priming The Pump Burn hazard NEVER run pump dry Running pump without water may cause pump to overheat damaging seal and possibly causing burns to persons handling pump Fill pump with w...

Page 11: ...tem by alternately opening and closing faucets in the system With faucets open pressure will drop until pump starts with faucets closed pressure will build up until pump shuts off 7 There are conditio...

Page 12: ...cording the gauge you may have air leaks in the suction line or a clogged impeller Cleaning the Deep Well Jet 1 Disconnect power 2 Disconnect piping and well seal or casing adapter 3 Withdraw jet asse...

Page 13: ...screws holding the adapter bracket to the motor 15 With two screwdrivers on opposite sides of the pump carefully pry the pump adapter away from the motor This will pull the seal off of the motor shaf...

Page 14: ...the long cap screws to check this alignment It cannot be stressed too strongly that all bolt holes and water passages of all gaskets and volutes MUST line up with each other or the pump will not be as...

Page 15: ...iring 5 Clean by sliding piece of plain paper between contacts 6 Make sure motor voltage exactly matches power supply voltage 1 Refer to instructions on wiring 2 Check with power company Install heavi...

Page 16: ...TS 16 20 100 80 60 40 9 10 1 3 4 5 6 7 8 2 11 17 16 15 14A 14A 14B 14B 14C 13 14 18 1281 0994 12 12 2080 1095 1 1B 1A 2A 2B 2C 2D 5 4 6 2E 2F 2 3 7 8 9 10 20 100 80 60 40 Pressure Regulator Multi Stag...

Page 17: ...eq Key Part No Number Part Description 1 J112 14 Pressure Regulator Body w Seat 1A U111 212T Barbed Fitting Elbow 1B J66 16 Valve Seat 2 J220 16B Diaphragm Assembly 2A J42 5 Regulator Guide 2B J62 9 S...

Page 18: ...30 277ZP 3 8 16x2 1 2 Hex Hd Bolt 3 Req 7 J21 17 J21 21 Seal Ring Lower 8 J16 20ZZP J16 24ZZP Lower Flange 9 U36 38ZP U36 38ZP 3 8 Hex Nut 3 Req Key Part No Number Part Description 1 J20 12 Adapter Ga...

Page 19: ...rainer 12 U11 104P Plastic Pipe Adapter J216 13 J216 14 Casing Adapter U37 116GP U37 116GP 1 x 6 T O E Nipple Max Depth with Jet Package No 29670 29902 29660 Pump Venturi 2 Single 3 Single 4 Double Mo...

Page 20: ...or to inquire 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...