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For technical questions, please call 1-800-444-3353.

SKU 47907

PLEASE rEAd tHE FOLLOWing CArEFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY 

DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY.  NEITHER THE MANUFACTURER OR 

DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE 

OR SHE IS qUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS qUALIFIED 

TO REPLACE ANY PARTS OF THE PRODUCT.  IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR 

EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY 

CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER.  THE BUYER ASSUMES ALL RISK 

AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT 

PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Problem

Cause

Solution

Pump will not hold 

prime

Foot/check valve not installed in suction 

1. 

line.
Foot/check valve leaks water back to well.

2. 

Install foot and check valve in suction 

1. 

line.
Replace foot/check valve.

2. 

Water is full of 

bubbles at outlet

Pumping bubbles temporarily as air is 

1. 

purged after initial setup.
Leak in suction side of pump system.

2. 

Well is gaseous.

3. 

Water level below suction inlet of foot 

4. 

valve.

Temporary self-remedying issue. 

1. 

Check for and fix leaks.

2. 

Install a sleeve in the well.

3. 

Lower suction line into water and re-

4. 

prime. If water is deeper than 26 ft, 

then a deep well pump may be needed.

Motor runs, but water 

is not pumping

Improper priming. 

1. 

Air leakage. 

2. 

Vertical lift too high. 

3. 

 

Water level below suction inlet of foot 

4. 

valve. 

Frozen pipes. 

5. 

Foot valve in dirt or sand.

6. 

Foot/check valve clogged.

7. 

Pressure switch is set too low.

8. 

Prime the pump by pouring clean water 

1. 

into the Priming Inlet.
Check all pipes and joints in the suction 

2. 

line for air leakage using soapy water.
Reduce vertical lift to within 

3. 

specifications. See Installation 

instructions.
Lower suction line into water and re-

4. 

prime. If water is deeper than 26 ft, 

then a deep well pump may be needed.
Thaw the pipes. Bury pipes below 

5. 

freeze line/insulate pipes.
Raise foot valve to clean water level.

6. 

Clean or replace foot/check valve.

7. 

Have the pressure switch adjusted by 

8. 

qualified technician (20-50 psi).

Pump does not shut-

off

Pressure switch contacts welded together. 

1. 

Faucet is open or leaking.

2. 

Toilet leaking.

3. 

Impeller is clogged.

4. 

Tank bladder pressure is too low.

5. 

Pipeline leakage.

6. 

Foot/check valve leaks water back to well.

7. 

Have the pressure switch replaced by a 

1. 

qualified technician.

Close or repair faucet.

2. 

Repair leaky toilet.

3. 

Clean impeller.

4. 

Inflate to 26-29 psi.

5. 

Repair pipeline.

6. 

Replace foot/check valve.

7. 

 Follow all safety precautions whenever diagnosing or servicing the pump.  

disconnect power supply before service. 

do not disassemble the pump or motor as this will damage the water seals.  

All repairs should be performed by a qualified technician.

Summary of Contents for 47907

Page 1: ...hts reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For techni...

Page 2: ...ury CAUTION without the safety alert symbol is used to address practices not related to personal injury Safety Warnings and Precautions WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference Read all instructions before use Keep work area clean ...

Page 3: ...eflexes are impaired while taking drugs If there is any doubt do not install the Pump RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE AMPERES at full load EXTENSION CORD LENGTH 25 50 100 150 0 6 18 16 16 14 6 1 10 18 16 14 12 10 1 12 16 16 14 12 12 1 16 14 12 Do not use TABLE A USE PROPER EXTENSION CORD 14 Make sure your extension cord is in good condition When using an exten...

Page 4: ...Health Safety Code 25249 5 et seq The warnings cautions and instruc 22 tions discussed in this instruction manual cannot cover all possible con ditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Unpacking When unpacking make sure the item is intact and und...

Page 5: ... warranty Foot Valve Check Valve Well Seal Shallow Well Pump To Household Water System Standing Water Level With Well Pump Off Pumping Water Level with Well Pump Operating Outlet Water Level Vertical Well Lift Head Slope slightly Downward to well Length of off set line Add when calculating total suction lift due to friction Fig 2 2 The illustration above shows an example of a proper shallow well p...

Page 6: ... pump s housing Caution DO NOT INSERT fittings into the Intake Hole farther than 1 2 this can DAMAGE the Pump diminish Pump functions and or STOP water flow Keep the Head the height that the 8 pump discharge must push water before discharge to a minimum The Vertical Well Lift Off set Line Length and Head added together must be less than Max Total Head to have flow at output Effective flow decrease...

Page 7: ...e gauge to insure that the rubber bladder maintains the required air pressure Make sure the intake pipe is fully 2 submerged before continuing Before starting the pump for the first 3 time prime it by pouring clean water into the Priming Inlet This is a self starting pump that uses a 4 pressure switch Once the power cord is connected and the unit is switched on the pump can start at any time Do no...

Page 8: ...Inlet screen clogged 5 Prime pump 1 Reduce lift height 2 Submerge the inlet 3 Check pipe and seals 4 Clean screen 5 Only a low volume of water flows Inlet pipe is too small 1 Liquid is too dirty 2 Lifting height exceeded 3 Tank s rubber bladder under inflated 4 Piping corroded causing friction 5 Increase pipe diameter 1 Clean screen frequently 2 Reduce lifting height 3 Inflate to 26 29 PSI 4 Repla...

Page 9: ...suction line into water and re 4 prime If water is deeper than 26 ft then a deep well pump may be needed Motor runs but water is not pumping Improper priming 1 Air leakage 2 Vertical lift too high 3 Water level below suction inlet of foot 4 valve Frozen pipes 5 Foot valve in dirt or sand 6 Foot check valve clogged 7 Pressure switch is set too low 8 Prime the pump by pouring clean water 1 into the ...

Page 10: ...ber Cover 1 19 O ring 1 20 Capacitor Cover 1 Part Description Qty 21 Capacitor 1 22 Side Cover 1 23 Switch Seal Plate 1 24 Waterproof Switch 1 25 Screw 3 5 x 20 3 26 Hex Nut M8x20 4 27 Front Cover 1 28 Rubber Ring 1 29 O ring 1 30 Flange 1 31 Immobile Ring 1 32 Motor Ring 1 33 Impeller 1 34 Flow Guide Plate 1 35 O ring 1 36 Flow Guide Assy 1 37 O ring 1 38 Pump Shell 1 39 Lg Valve Cover 2 40 O rin...

Page 11: ...Hex Nut 2 5A Capacitor Cover 1 6A Pressure Meter 1 7A Cable 1 8A Switch 1 9A Connector 1 10A Cord and Plug 1 11A Tube 1 12A Latex Seal 1 13A Latex Seal 1 51A Rubber Bladder internal 1 56 PTFE Thread Seal Tape Roll 1 57 Foot Valve 1 58 Check Valve 1 Note When ordering a part from this drawing you must include the suffix A with the number Parts marked with a caret are not shown on the diagram ...

Page 12: ... or for incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limita tion of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of mer chantability and fitness To take advanta...

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