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OWNER’S 

MANUAL

MODEL NO.

390.251181
390.251981
390.252281

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
• Operation
• Troubleshooting
• Repair Parts

PRINTED IN U.S.A.

“HYDROGLASS”

®

CONVERTIBLE DEEP
WELL JET PUMP

Form No. 

F642-2592

(Rev. 8/14/96)

CRAFTSMAN MODEL NOS.

390.251981
390.252281

SEARS MODEL NO.

390.251181

Summary of Contents for CRAFTSMAN HYDROGLASS 390.251981

Page 1: ...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 Repair Parts PRINTED IN U S A H...

Page 2: ...azardous voltage Can shock burn or cause death Ground pump before connecting to power supply Hazardous pressure Install pressure relief valve in discharge pipe Release all pressure on system before wo...

Page 3: ...the line voltage and frequency of the electrical circuit supply agree with the motor wiring If motor is dual voltage type BE SURE it is wired correctly for your power supply 10 The correct fusing and...

Page 4: ...1 1 4 PLASTIC PIPE CHECK VALVE AND STRAINER PLASTIC PIPE 1 1 PLASTIC PIPE PIPE ADAPTERS INSTALLATION DEEP WELL Figure 1 Captive Air Pressure Tank Installation Deep Well 1400 1194 JET WELL SEAL PLASTIC...

Page 5: ...5 Figure 3 Captive Air Pressure Tank Installation Shallow Well Figure 4 Standard Pressure Tank Installation Shallow Well INSTALLATION SHALLOW WELL...

Page 6: ...exceeds the suction lift of the pump Adjustment of the pressure regulator causes the right amount of water to be diverted back to the jet for the most efficient operation 1 Lake Chemical Co Chicago Il...

Page 7: ...ete in well This serves to double check for leaks in piping and foot valve and simplifies final priming of pump INSTALLING CASING ADAPTER Slide adapter on to well casing as far as it will go Tighten t...

Page 8: ...p Horizontal Offset Piping Sizes Shallow Well Jets 1 1 4 1 1 2 2 Up to 25 Ft 25 to 50 Ft 50 to 200 Ft Horizontal Offset Piping Sizes Deep Well Jets Up to 50 Ft 50 to 100 Ft 100 to 300 Ft Suct Drive Su...

Page 9: ...n switch to motor ground screw Use a solid copper wire at least as large as power supply wires Connect ground wire to grounded lead in service panel metal underground water pipe well casing at least 1...

Page 10: ...ump and with faucets closed pressure will build up until pressure switch shuts off pump 8 There are certain conditions of deep well operation whereby the pressure regulator can be completely open with...

Page 11: ...shaft Motor is now separated from pump see Figure 9 6 Lay back half of pump large surface down on a flat clean surface and tap out ceramic seat Clean seal cavity from which seal was removed and clean...

Page 12: ...ve to be dis connected 3 Withdraw jet assembly from well 4 Unscrew and remove the venturi Remove nozzle with a socket wrench if possible and clean If nozzle cannot be removed clean as explained in ste...

Page 13: ...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 plastic pipe where possible otherwise with new steel pipe check poi...

Page 14: ...k No Model No HP 5 10 15 20 30 40 50 60 70 80 90 Shallow 390 251181 1 2 8 2 7 3 6 2 5 0 Well 29650 390 251981 3 4 10 9 10 4 8 6 7 5 390 252281 1 17 0 15 0 13 0 10 5 2 390 251181 1 2 3 4 2 8 2 3 1 8 1...

Page 15: ...Venturi Use with Model 390 252281 4 N32P 72E Venturi Use with Model 390 251981 4 N32P 72 Venturi Use with Model 390 251181 5 J34P 41 51 Nozzle Use with Model 390 251181 390 252281 5 J34P 44 54 Nozzle...

Page 16: ...EEP WELL JET PUMP SEARS MODEL 1 2 HP 390 251181 CRAFTSMAN MODELS 3 4 HP 390 251981 1 HP 390 252281 1 2 3 4 5 6 7 8 9 11 12 18 16 15 19 20 21 22 23 24 20A 10 13 14 17 1402 1194 1A L1 L2 1B 1C 1D 1E Wir...

Page 17: ...8 J105 40PE J105 42PT J105 8PAN Impeller 9 J1 39P J1 39P J1 40P Diffuser 10 U9 199 U9 199 U9 199 O Ring Diffuser 1 7 8 x 1 5 8 x 1 8 11 C19 54SS C19 54SS C19 54SS Clamp Tank Body 12 L76 34P L76 34P L...

Page 18: ...66 14 J216 14 390 251981 60 J32P 24 J34P 41 51 J40 25 J57 3 J43 16 J43 20C J161 3 J66 14 J216 14 90 J32P 18 J34P 42 52 J40 25 J57 3 J43 16 J43 20C J161 3 J66 14 J216 14 390 252281 70 J32P 22 J34P 43 5...

Page 19: ...achine Bolt 3 8 16 x 5 Lg 2 Req 2 J16 19ZZP J16 23ZZP Upper Flange 3 J21 19 J21 19 Seal Ring Drive Pipe 4 J21 18 J21 18 Seal Ring Suction Pipe 5 U30 277ZP U30 277ZP Machine Bolt 3 8 16 x 2 1 2 Lg 6 J5...

Page 20: ...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 RE...

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