Harbor Freight Tools Septic System 68372 User Manual

Mini Submersible / Fountain / Pond Pump  
Item 68372  
Item 68389  
Item 68393  
Item 68395  
Item 68396  
Read this material before using this product. Failure to do  
so can result in serious injury. SAVE THIS MANUAL.  
When unpacking, make sure that the product is intact and undamaged. If any parts  
are missing or broken, please call 1-800-444-3353 as soon as possible.  
©
®
Copyright 2011 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.  
 
3. When the plug is inserted into the  
socket the pump will operate.  
Save This Manual  
WARNING! If the power cord or plug is damaged,  
do not use the pump. The power cord or plug  
may only be repaired by a certified electrician.  
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.  
Operation  
1. Set the pump on a level spot in the aquarium/water  
feature. The suction cups must be in contact with the  
aquarium/fountain floor or a smooth platform.  
Installation  
NOTE: Do not plug in pump yet.  
Please note!  
CAUTION: Verify pump is adequately  
supported. If you use an additional hose and  
in-line filter (not included), do not use it or the  
connecting tube to support the pump.  
1. The pump is designed to be used in  
aquariums/water features.  
2. The pump must be placed on the bottom of the  
aquarium/water feature. To ensure that the pump  
works properly, keep the bottom of the aquarium/  
water feature free from sludge and dirt of all kinds.  
2. Once the pump is fully submerged and adequately  
supported, shift the regulator to adjust flow rate.  
3. NOTE: After reading these instructions, consider  
3. For proper cooling, only operate pump when it is  
completely submerged. See the Specifications  
Chart for the maximum lift for your particular pump.  
the following points before starting the pump:  
a. Verify that the pump rests on the floor of the  
shaft, if it is not suspended by the power cord.  
4. NOTE: Pumps models 68393 and 68395 each come  
with their own extension set. To attached entension  
to the pump, thread selected extension outlet to top  
of extension. Then thread bottom of extension to  
extension valve. Use adapter to connect assembled  
extension to water outlet at top of pump housing.  
b. Verify that the delivery pipe is properly connected.  
c. Verify that the electrical connection is 120 V~, 60 Hz.  
d. Verify that the electrical socket is in good condition.  
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.  
Power Supply  
1. The pump is equipped with a shock-proof  
plug according to regulations.  
4. Once you’ve verified that the pump has a proper  
setup, dry your hands and plug the power cord into  
the electrical outlet to begin pump operation.  
The pump is designed to be connected to  
120 V~, 60 Hz GFCI-protected safety socket.  
2. Make sure that the socket is sufficiently  
secured and is in excellent condition.  
SKU 68372 - 68396  
For technical questions, please call 1-800-444-3353.  
Page 3  
 
Quarterly Maintenance  
Maintenance  
The below maintenance should be performed at  
least once every 3 months under optimal conditions.  
If pump starts to sound abnormal, unplug it and  
check the Impeller by doing the following:  
1. Remove the front cover and filter/regulator  
TO PREVENT SERIOUS INJURY FROM  
ACCIDENTAL OPERATION:  
(depending on particular pump).  
Unplug the Pump from its electrical  
outlet before performing any inspection,  
maintenance, or cleaning procedures.  
2. Gently pull out the Impeller from the pump body.  
3. Rinse the Impeller assembly with clean water.  
Use an old toothbrush to remove any debris.  
If the pump is moved to a different aquarium or  
water feature, flush it out with clean water and  
dry before setting up in new water feature.  
4. To prevent damage, do not rest the pump on  
the impeller or pry against the impeller  
If cord is damaged, it must be replaced  
by a qualified technician.  
5. Once, clean reassemble Pump.  
6. NOTE: Make sure the power cord is unplugged  
before performing any maintenance or cleaning.  
Troubleshooting  
Problem  
Pump runs, but  
will not deliver  
any water.  
Possible Causes  
Possible Solutions  
1. Remove filter. Clean out dirt and debris from  
filter and impeller. Then replace Filter.  
1. Filter and/or impeller clogged.  
2. When starting, the pump water  
height is beyond the head lift.  
2. Check specifications chart and verify  
pump is not exceeding head lift.  
3. Low line voltage.  
3. Consult an electrician.  
4. Optional connecting tube is  
improperly installed.  
4. Remove and examine check valve.  
Pump won’t  
start or run.  
1. Check power connections  
and circuits/fuses.  
1. Consult an electrician.  
2. Filter and/or impeller clogged  
2. Remove filter. Clean out dirt and debris from  
filter and impeller. Then replace filter.  
3. Defective motor.  
1. Worn bearings.  
3. Have a qualified service technician repair or replace.  
1. Have a qualified service technician repair or replace.  
Excessive noise  
or vibration.  
2. Debris in impeller.  
2. Remove filter. Clean impeller. Then replace filter.  
Pump starts  
and stops too  
frequently.  
1. Water temperature too high.  
1. Do not exceed 77° Fahrenheit.  
2. Pump placed in fluid that is not  
2. Install pump in clear fresh or salt  
water aquarium/water feature.  
clear fresh or salt water.  
Follow all safety precautions whenever diagnosing or servicing  
the tool. Disconnect power supply before service.  
Page 4  
For technical questions, please call 1-800-444-3353.  
SKU 68372 - 68396  
 
68372 Parts List and Assembly Diagram  
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.  
Parts List  
Part  
Description  
Qty  
1
1
4
1
1
1
1
1
Part  
Description  
Qty  
1
1
2
2
1
1
1
1
1
2
3
4
5
6
7
8
9
Regulator  
10 Water Outlet  
Front Cover  
11 Pump Housing  
12 Motor  
Water Seating  
Impeller Head  
Impeller  
Impeller Shaft  
Sealing Ring  
Shaft Cover  
Suction Cup  
13 Magnet Wire  
14 Cord Clamp  
15 String Block  
16 Power Cord  
17 Back Cover  
18 Plug  
4
1
Assembly Diagram  
18  
16  
13  
12  
10  
15  
8
7
14  
4
17  
11  
6
5
9
3
2
1
Record Product’s Serial Number Here:  
Note: If product has no serial number, record month and year of purchase instead.  
Note: Some parts are listed and shown for illustration purposes only,  
and are not available individually as replacement parts.  
SKU 68372 - 68396  
For technical questions, please call 1-800-444-3353.  
Page 5  
 
68393 Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
1
1
1
1
1
1
4
1
Part  
Description  
Qty  
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
Front Cover  
Filter  
12 Power Cord  
13 Cord Clamp  
14 String Block  
15 Back Cover  
16 Plug  
17 Grounded Terminal  
18 Frame  
19 Sealing Ring  
20 Shaft Cover  
21 Sealing Ring  
Water Seating  
Impeller Head  
Impeller  
Impeller Shaft  
Suction Cups  
Water Outlet  
Pump Body  
1
2
1
1
10 Motor  
11 Magnet Wire  
2
Assembly Diagram  
16  
12  
8
11  
14  
21  
10  
13  
20  
19  
4
3
17  
2
15  
9
6
1
5
18  
7
Page 6  
For technical questions, please call 1-800-444-3353.  
SKU 68372 - 68396  
 
68393 Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
Part  
Description  
Qty  
1A Extension  
2A Star Outlet  
3A Foam Outlet  
4A Bell Outlet  
1
1
1
1
1
1
7A Right Adjustment Lever  
8A Extension Valve  
9A Main Outlet  
1
1
1
1
1
10A Lower Connector  
11A Adapter  
5A Top Connector  
6A Left Adjustment Lever  
Assembly Diagram  
2A  
3A  
4A  
1A  
5A  
7A  
8A  
6A  
9A  
10A  
11A  
SKU 68372 - 68396  
For technical questions, please call 1-800-444-3353.  
Page 7  
 
68395 Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
1
1
1
1
1
1
4
1
Part  
Description  
Qty  
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
Front Cover  
Filter  
12 Power Cord  
13 Cord Clamp  
14 String Block  
15 Back Cover  
16 Plug  
17 Suction Cups Holder  
18 Sealing Ring  
Water Seating  
Impeller Head  
Impeller  
Impeller Shaft  
Suction Cups  
Water Outlet  
Pump Body  
19 Shaft Cover  
20 Sealing Ring  
1
1
10 Motor  
2
21 Grounded Terminal  
1
11 Magnet Wire  
2
Assembly Diagram  
16  
12  
8
11  
14  
18  
19  
20  
10  
13  
4
3
21  
2
15  
1
9
5
6
7
17  
Page 8  
For technical questions, please call 1-800-444-3353.  
SKU 68372 - 68396  
 
68395 Pump Extension Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
Part  
Description  
Qty  
1A Extension  
2A Bell Outlet  
3A Star Outlet  
1
1
1
1
5A Right Adjustment Lever  
6A Extension Valve  
7A Main Outlet  
1
1
1
1
4A Left Adjustment Lever  
8A Adapter  
Assembly Diagram  
2A  
3A  
1A  
4A  
6A  
5A  
7A  
8A  
SKU 68372 - 68396  
For technical questions, please call 1-800-444-3353.  
Page 9  
 
68396 Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
1
1
4
1
1
1
1
1
Part  
Description  
Qty  
2
2
1
1
1
1
1
1
2
3
4
5
6
7
8
Front Cover  
Regulator  
9
Motor  
10 Magnet Wire  
11 Cord Clamp  
12 Back Cover  
13 String Block  
14 Power Cord  
15 Plug  
Suction Cup  
Water Seating  
Impeller Head  
Impeller  
Impellor Shaft  
Pump Body  
Assembly Diagram  
15  
14  
10  
13  
9
5
2
11  
7
12  
6
3
8
4
1
Page 10  
For technical questions, please call 1-800-444-3353.  
SKU 68372 - 68396  
 
68389 Parts List and Assembly Diagram  
Parts List  
Part  
Description  
Qty  
1
1
4
1
1
1
1
4
Part  
Description  
Qty  
1
2
2
1
1
1
1
1
1
2
3
4
5
6
7
8
9
Regulator  
10 Pump Housing  
Front Cover  
11 Motor  
Water Seating  
Impeller Head  
Impeller  
Impeller Shaft  
Sealing Ring  
Suction Cup  
Water Outlet  
12 Magnet Wire  
13 Cord Clamp  
14 String Block  
15 Power Cord  
16 Back Cover  
17 Plug  
1
Assembly Diagram  
17  
15  
12  
11  
9
14  
13  
7
4
16  
10  
8
6
5
3
2
1
SKU 68372 - 68396  
For technical questions, please call 1-800-444-3353.  
Page 11  
 
Items 68372, 68393 and 68395: Limited 90 Day Warranty  
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability  
standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship  
for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or  
indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity,  
improper installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death,  
injuries to persons or property, 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 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.  
To take advantage of this warranty, the product or part must be returned to us with transportation charges  
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise. If  
our inspection verifies the defect, we will either repair or replace the product at our election or we may elect  
to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return  
repaired products at our expense, but if we determine there is no defect, or that the defect resulted from  
causes not within the scope of our warranty, then you must bear the cost of returning the product.  
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 91302 • (800) 444-3353  
 

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