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Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

57718

Do not return 
pump to the store. 
Call 1-844-416-9141

Owner’s Manual & Safety Instructions

Save This Manual

Keep this manual for the safety warnings and precautions, assembly, 

operating, inspection, maintenance and cleaning procedures.  Write the product’s serial number in the 
back of the manual near the assembly diagram (or month and year of purchase if product has no number). 
Keep this manual and the receipt in a safe and dry place for future reference. 

21c

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-888-866-5797 as soon as possible.

Copyright

©

 2021 by Harbor Freight Tools

®

.  All rights 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.

Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

Summary of Contents for 57718

Page 1: ...nd dry place for future reference 21c When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2021...

Page 2: ...higher ground 5 Circulation of caustic fluids as well as the circulation of abrasive materials must be avoided at all costs 6 The pump must be protected from frost 7 The pump must be protected from ru...

Page 3: ...the pump will start as required check the pump regularly with start up tests Power Supply 1 The pump is equipped with a shock proof plug according to regulations The pump is designed to be connected t...

Page 4: ...fitted with a vent pipe if desired Figure A Pump Setup 4 Attach a discharge pipe to the Pump Outlet Note Wrap all threaded connections with PTFE thread seal tape 5 Drill a 1 8 diameter air bleed hole...

Page 5: ...n Test GFCI protected outlet before use e Verify that water and moisture cannot get near the power supply socket f Verify that the pump is installed so as to prevent running dry 2 Plug in pump Pump wi...

Page 6: ...Reassemble pump Troubleshooting Problem Possible Causes Possible Solutions Pump runs but will not deliver any water 1 Inlet Screen and or impeller clogged 2 Low line voltage 3 Check valve sold separa...

Page 7: ...AKEN 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 ARISI...

Page 8: ...amages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS T...

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