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SELF-PRIMING EXTERNAL PUMPS

The All-In-One Pump

© 2023 EasyPro, Inc

Pg. 3

1.  After thorough inspection, carefully remove the pump from the box. 
2.  Secure the pump on a solid, flat foundation. A covered location is always best and care should be taken to ensure adequate ventilation. 
 

NOTE:

 Make sure your installation location is no higher than 9 feet above the water surface level. 

 

Scan the QR code at the bottom of the page or visit www.easypro.com/exp-series-pumps for more installation tips.

3.  Install a ball or swing-type check valve as needed to facilitate pump disconnection, flow control and servicing.
4.  Connect plumbing to the pump by dry fit testing first to ensure proper fit and proper pipe alignment. Be sure the union nut is on the union  
 

tailpiece before gluing in place.

5.  Once proper fit and alignment is established, use proper pipe sealant designed for plastic pipes. Support plumbing as needed to prevent strain 
 

and damage. 

DO NOT

 overtighten the nut included with the pump in the quick connect fittings. Hand tightening is sufficient.

 

  NOTE: If changing motor voltage, 

it is recommended that wiring be performed by a licensed electrician. Wiring of this pump should be

 

  in accordance with the wiring diagram located on the motor. Ensure the pump is wired for the correct supply voltage and is supplied by no 

 

  smaller than 16 gauge wire and should be based on horsepower. The circuit breaker should be 20 to 30 amps.  

 

  

If your pump will be hardwired:

 Be sure to ground the motor correctly by connecting code compliant wiring to the green grounding 

 

  screw located under the wiring plate.

  

Scan the QR code at the bottom of the page or visit www.easypro.com/exp-series-pumps for electrical wiring instructions and tips.

6.  When wiring is complete, double check the intake and discharge fittings to ensure a snug fit.
7.  Open the volute (strainer pot) lid and fill with water, ensure the lid O-ring is clean of any debris and close the lid securely prior to starting.
8.  Once the priming pot is filled and supply valves (if present) are opened, your pump is now ready to prime. Turn the motor on by plugging the unit 
 

in or switching on the power supply. Priming will vary in length. Water should continue to flow into the basket as the pump goes through the priming    

 

process. The priming process should not take longer than 15 minutes. The pump should never run dry. If water stops flowing into the strainer pot, shut 

 

the pump off immediately and review the troubleshooting tips on page 7.

 

NOTE:

 There may be installations in which plumbing allows for trapped air in the system. If this happens, priming will be difficult. In this case,

 

loosen the discharge fittings slightly to allow trapped air to bleed off. Once primed, tighten the discharge fitting.

 

Scan the QR code at the bottom of the page or visit www.easypro.com/exp-series-pumps for more information on understanding  

 

priming and pump operation.

We congratulate you on your choice of the EXP Self Priming Pump! It has been carefully designed using the advantages of today’s 

technology and carefully constructed to give you the dependability of yesterday. To insure proper performance, we urge you to 

carefully follow the instructions in this manual. If you have any questions, call your nearest distributor or EasyPro for assistance.

WARNING: 

Always shut off electrical power before installation 

and/or servicing this pump! All electrical wiring should meet state 

and local ordinances. Improper wiring may not only be a safety 

hazard but may permanently damage the motor and/or pump.

SCAN

THE CODE

for more  

installation tips and 

pump information.

INSTALLATION

Summary of Contents for EXP4000

Page 1: ...____________________________ SERIAL NUMBER ________________________ DATE PURCHASED _______________________ Pleasefilloutthewarrantyregistrationcardinthismanual MODEL EXP4000 EXP5500 EXP6500 EXP7500 EXP6500HP EXP9500HP Inlet 2 2 2 2 2 2 Discharge 2 2 2 2 2 2 Max Flow 4260 gph 6060 gph 6800 gph 7960 gph 6660 gph 9650 gph Max Head 17 23 25 26 54 83 Max Current 1 96 amps 115v 3 06 amps 115v 4 00 amps ...

Page 2: ...damage to the pump unit 5 To prevent incorrect motor rotation install a ball or swing type check valve Do not use spring check valves 6 Maintain a minimum flow rate of at least two gallons per minute to avoid damage to the pump unit 7 Visually inspect the pump and motor a minimum of once per week If any leakage between the motor and pump housing is present replace the mechanical seal The seal face...

Page 3: ...ctionsandtips 6 When wiring is complete double check the intake and discharge fittings to ensure a snug fit 7 Open the volute strainer pot lid and fill with water ensure the lid O ring is clean of any debris and close the lid securely prior to starting 8 Once the priming pot is filled and supply valves if present are opened your pump is now ready to prime Turn the motor on by plugging the unit in ...

Page 4: ...8 Diffuser O Ring 9 Diffuser 10 Impeller 11 Bracket Bore O Ring NUMBER DESCRIPTION 12 Bracket 13 Slinger 14 Motor Base 15 Motor 16 7 8 Hex Bolts 4 17 1 1 8 Hex Bolts 6 18 Bracket O Ring 19 Mechanical Seal 20 Diffuser Set Screws Seal Kit Includes 2 Drain Plug O Rings Lid Diffuser Bracket Bracket Bore O Rings 513 Mechanical Seal Reverse Set ScrewWasher 2 Tailpiece O Rings 1 2 3 4 5 6 7 8 9 10 11 13 ...

Page 5: ...t bore O ring Moisten bracket bore O ring with water prior to installing to prevent rolling 2 Press the seal into the bore without touching or putting pressure on the delicate carbon face by pushing on the stainless steel collar A large socket or pipe nipple may be used to facilitate installation 3 Clean as necessary the impeller hub and press in the ceramic part making sure the polished white cer...

Page 6: ... not honor any warranty but may provide a good alternative 3 If you are mechanically minded the option to order bearings and a seal kit from EasyPro Pond Products is available Cleaning the basket Seals and Bearings Thestrainerbasketinthevoluteshouldbeinspectedandcleanedatleastone 1 timeperweek moreoftenifexcessivedebris ispresentintheoperatingenvironment Pumpsealsandbearingsexperiencenormalwearand...

Page 7: ...y be tested call for details Bearing seized Rotate the motor shaft by hand to test If shaft does not freely spin replace the bearings Low flow Water flow has slowed or is intermittent Clean the filter basket of debris Check for impeller clog See the disassembly instructions or call for details Checks for leaks in the volute housing lid and union connections Check for obstructions in the plumbing a...

Page 8: ...ore a warranty claim is approved The exclusive remedies provided hereunder shall upon EasyPro s inspection and option be either repair or replacement of the Product or parts covered under this warranty Making a Claim A Return Authorization RA number must first be obtained by calling EasyPro at 800 448 3873 or via email at warranty easypro com It is the purchaser s responsibility to pay the return ...

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