Harbor Freight Tools Water Pump 93819 User Manual

SUBMERSIBLE DIRTY WATER PUMP  
Model 93819 - 1 HP  
Model 93820 - 1.2 HP  
ASSEMBLY AND OPERATING INSTRUCTIONS  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
Distributed exclusively by  
®
Harbor Freight Tools .  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
TO PREVENT SERIOUS INJURY,  
READ AND UNDERSTAND ALL WARNINGS  
AND INSTRUCTIONS BEFORE USE.  
Copyright © 2006 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.  
For technical questions, please call 1-800-444-3353.  
Revised 08i  
 
2.  
3.  
Do not operate power tools in explosive atmospheres, such as in the  
presence of flammable liquids, gases, or dust. Power tools create sparks  
which may ignite the dust or fumes.  
Keep bystanders, children, and visitors away while operating a power tool.  
Distractions can cause you to lose control.  
ELECTRICAL SAFETY  
4.  
5.  
Grounded tools must be plugged into a GFCI (Ground Fault Circuit  
Interrupter) outlet, properly installed, and grounded in accordance with all  
codes and ordinances. Never remove the grounding prong or modify the  
plug in any way. Do not use any adapter plugs. Check with a qualified  
electrician if you are in doubt as to whether the outlet is properly grounded.  
If the tools should electrically malfunction or break down, grounding provides a  
low resistance path to carry electricity away from the user.  
Double insulated tools are equipped with a polarized plug (one blade is  
wider than the other). This plug will fit in a polarized outlet only one way. If  
the plug does not fit fully in the outlet, reverse the plug. If it still does not  
fit, contact a qualified electrician to install a polarized outlet. Do not  
change the plug in any way. Double insulation  
eliminates the need for the  
three wire grounded power cord and grounded power supply system.  
6.  
7.  
Avoid body contact with grounded surfaces such as pipes, radiators,  
ranges, and refrigerators. There is an increased risk of electric shock if your  
body is grounded.  
Do not abuse the Power Cord. Never use the Power Cord to carry the  
tool or pull the Plug from an outlet. Keep the Power Cord away from  
heat, oil, sharp edges, or moving parts. Replace damaged Power Cords  
immediately. Damaged Power Cords increase the risk of electric shock.  
PERSONAL SAFETY  
8.  
Stay alert. Watch what you are doing, and use common sense when  
operating this product. Do not use the Fountain while tired or under the  
influence of drugs, alcohol, or medication. A moment of inattention while  
operating this product may result in serious personal injury.  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 3  
 
9.  
Dress properly. Do not wear loose clothing or jewelry. Contain long hair.  
Keep your hair, clothing, and gloves away from moving parts. Loose  
clothes, jewelry, or long hair can be caught in moving parts.  
10.  
Use safety equipment. Wear ANSI approved safety impact goggles when  
assembling this product. Non-skid safety shoes must be used for appropriate  
conditions.  
TOOL USE AND CARE  
11.  
Disconnect the Power Cord Plug from the power source before making any  
adjustments, changing accessories, or storing the Pump. Such preventive  
safety measures reduce the risk of starting the unit accidentally.  
12.  
13.  
Store idle equipment out of reach of children and other untrained persons.  
Electrically powered products are dangerous in the hands of untrained users.  
Check for misalignment or binding of moving parts, breakage of parts, and  
any other condition that may affect this product’s operation. If damaged,  
have the Fountain serviced before using. Many accidents are caused by  
poorly maintained equipment.  
SERVICE  
14.  
15.  
Service must be performed only by qualified repair personnel. Service  
or maintenance performed by unqualified personnel could result in a risk of injury.  
When servicing this product, use only identical replacement parts. Follow  
instructions in the “Inspection, Maintenance, And Cleaning” section of this  
manual. Use of unauthorized parts or failure to follow maintenance instructions  
may create a risk of electric shock or injury.  
SPECIFIC SAFETY RULES  
1.  
2.  
Maintain labels and nameplates on the Pump. These carry important  
information. If unreadable or missing, contact Harbor Freight Tools for a  
replacement.  
Wear ANSI approved safety impact eye goggles when assembling  
the Pump. Using personal safety devices reduce the risk for injury.  
Safety impact eye goggles are available from Harbor Freight Tools.  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 4  
 
3.  
4.  
Use the right product for the job. There are certain applications for which this  
product was designed. Do not use small tools, attachments, or equipment to do  
the work of larger industrial tools, attachments, or equipment.  
Maintain a safe environment. Keep the area well lit. Make sure there is ade-  
quate surrounding space. Always keep the area free of obstructions, grease, oil,  
trash, and other debris. Do not use an electrically powered product in areas near  
flammable chemicals, dusts, and vapors.  
5.  
WARNING! Risk of electrical shock. Always disconnect the Pump from  
its power source before handling or making any adjustments to the tool.  
Always wear non-skid rubber boots when water is on the floor and you  
must unplug the Pump. Never allow the internal Motor to get wet. Make  
sure the electrical power source is a separately fused, grounded, 3-wire  
type GFCI (Ground Fault Circuit Interrupter) outlet. Do not remove the  
ground prong on the Power Cord Plug. Do not use an extension  
cord.  
6.  
7.  
Do not pump hazardous materials. Do not pump explosive or flammable ma-  
terials such as fuel, oil, kerosene, gasoline, etc. Do not pump in close proximity  
to flammable or explosive materials. Do not pump fats, oils, salt or waste water.  
This Pump is designed to move clean or dirty water only. Do not pump water  
over 95 degrees Fahrenheit.  
Make sure the discharge pipe (not included) is secured to a solid surface to  
ensure the stability of the Pump.  
8.  
9.  
Make sure to position the Pump on a flat, level, solid surface.  
WARNING! Always arrange a “drip loop” in the Power Cord connect-  
ing the Pump to a 120 volt, GFCI electrical outlet. A drip loop is that part of  
the Power Cord below the level of the outlet to prevent water from traveling along  
the Power Cord and coming in contact with the outlet. If the Power Plug or elec-  
trical outlet does get wet, do not unplug the Power Cord. Disconnect the fuse or  
circuit breaker that supplies power to the Pump. Then, unplug the Power Cord  
and examine for presence of water in the outlet. (See Figure A.)  
Drip Loop  
OUTLET  
PUMP  
DEVICE  
OUTLET  
CORD  
FIGURE A  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 5  
 
10.  
If necessary, have a certified electrician install (within 14 feet of where the  
Pump will be located) a 120 volt, GFCI electrical outlet that is dedicated  
only to the Pump. Any outlet should be above the water line.  
11.  
12.  
NEVER raise or lower the Pump by its electrical Power Cord.  
In cold weather, when the Pump is not in use, protect the interior of the  
Pump from freezing by draining the water and pumping a permanent type  
automobile anti-freeze containing a rust inhibitor through the system. A  
50% mixture with water is recommended. Be sure to flush the system with a  
neutralizing liquid prior to re-use of the Pump.  
13.  
Prior to use, and periodically thereafter, check to make sure all connections  
are tight and secure.  
14.  
15.  
Industrial applications must follow OSHA requirements.  
Performance of this product may vary depending on variations in local line  
voltage.  
16.  
17.  
WARNING! People with pacemakers should consult their physician(s) be-  
fore using this product. Operation of electrical equipment in close proximity to a  
heart pacemaker could cause interference or failure of the pacemaker.  
WARNING! The warnings and cautions discussed in this manual cannot  
cover all possible conditions and situations that may occur. It must be under-  
stood by the operator that common sense and caution are factors which cannot  
be built into this product, but must be supplied by the operator.  
SAVE THESE INSTRUCTIONS  
GROUNDING  
WARNING!  
Improperly connecting the grounding wire can result in the risk of electric shock. Check with  
a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do  
not modify the power cord plug provided with the tool. Never remove the grounding prong  
from the plug. Do not use the tool if the power cord or plug is damaged. If damaged, have  
it repaired by a service facility before use. If the plug will not fit the outlet, have a proper  
outlet installed by a qualified electrician.  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 6  
 
GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS  
1.  
Tools marked with “Grounding Required” have a three wire cord and three prong  
grounding plug. The plug must be connected to a properly grounded outlet. If  
the tool should electrically malfunction or break down, grounding provides a low  
resistance path to carry electricity away from the user, reducing the risk of elec-  
tric shock. (See Figure B.)  
2.  
3.  
The grounding prong in the plug is connected through the green wire inside the  
cord to the grounding system in the tool. The green wire in the cord must be the  
only wire connected to the tool’s grounding system and must never be attached  
to an electrically “live” terminal. (See Figure B.)  
Your tool must be plugged into an appropriate outlet, properly installed and  
grounded in accordance with all codes and ordinances. The plug and outlet  
should look like those in the following illustration. (See Figure B.)  
THIS PRODUCT  
USES A  
3-PRONG  
ELECTRICAL  
PLUG  
120 VOLT,  
GROUNDED,  
ELECTRICAL OUTLET  
FIGURE B  
DOUBLE INSULATED TOOLS: TOOLS WITH TWO PRONG PLUGS  
4.  
5.  
Tools marked “Double Insulated” do not require grounding. They have a special  
double insulation system which satisfies OSHA requirements and complies with  
the applicable standards of Underwriters Laboratories, Inc., the Canadian  
Standard Association, and the National Electrical Code. (See Figure C.)  
Double insulated tools may be used in either of the 120 volt outlets shown in the  
following illustration. (See Figure C.)  
THIS PRODUCT  
DOES NOT USE A  
2-PRONG  
ELECTRICAL  
PLUG  
120 VOLT,  
GROUNDED,  
ELECTRICAL OUTLETS  
FIGURE C  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 7  
 
SYMBOLOGY  
FIGURE D  
UNPACKING  
When unpacking, check to make sure all the parts shown on the Parts List on page 12  
are included. If any parts are missing or broken, please call Harbor Freight Tools at the  
number shown on the cover of this manual as soon as possible.  
ASSEMBLY AND OPERATING INSTRUCTIONS  
NOTE:  
For additional information regarding the parts listed in the  
following pages, refer to the Assembly Diagram on page 13.  
1.  
2.  
3.  
WARNING! Always make sure to turn off the electricity powering the  
Pump’s electrical outlet and that the Pump is unplugged from its outlet prior to  
assembling the unit, unclogging the unit, or making any adjustments to the unit.  
If necessary, have a certified electrician install (within 14 feet of where the Pump  
will be located) a 120 volt, GFCI electrical outlet that is dedicated only to the  
Pump. Any outlet should be well above the water line.  
The size of the discharge outlet on the Union (37) is 1-1/2” diameter. Only a  
1-1/2” diameter Discharge Pipe (not included) must be used. Do not attempt to  
reduce the discharge size below 1-1/2” as this will affect Pump flow and perfor-  
mance. (See Figure E, next page.)  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 8  
 
4.  
Connect the Union (37) to the Coupler (34). Make sure to hand tighten only.  
Over-tightening may cause the Union to crack. Then, connect a 1-1/2” diam-  
eter Discharge Pipe to the Union. NOTE: Make sure the Discharge Pipe is  
secured to a solid surface, with appropriate hardware (not included), to ensure  
the stability of the Pump. (See Figure E.)  
5.  
6.  
Install an additional union (not included) or other means of separating the Dis-  
charge Pipe just above the floor to facilitate removal of the Pump if necessary.  
(See Figure E.)  
A check valve (not included) is recommended just above, or in place of, the  
Union to prevent the backflow of water after each pump cycle. If a Check Valve  
is used, a 1/8” diameter air bleed hole should be drilled through the Discharge  
Pipe just above the lower Union (37) to prevent Pump “airlock”. A small spray of  
water out of this hole is normal while the Pump is running. (See Figure E.)  
POWER CORD & PLUG  
(1)  
CHECK VALVE  
OR  
UNION  
(NOT INCLUDED)  
1-1/2” DIAMETER  
DISCHARGE PIPE  
(NOT INCLUDED)  
FLOAT  
SWITCH LOCK  
1/8” AIR BLEED HOLE  
(WATER SPRAY IS NORMAL)  
UNION  
(37)  
COUPLER  
(34)  
FLOAT SWITCH  
(2)  
FIGURE E  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 9  
 
7.  
8.  
Carefully set the Pump in place. Do not lower or raise the Pump by its Power  
Cord (1) or Discharge Pipe. (See Figure E.)  
The Float Switch (2) automatically switches on and off at a water depth of ap-  
proximately 4 inches. The ON/OFF height can be manually adjusted by adjusting  
the Float Switch Lock. CAUTION: Do not run the Pump dry. Doing so will  
increase wear to the unit and possibly cause seal damage. (See Figure E.)  
9.  
NOTE: This Pump has a built-in thermal protector for the Motor which automati-  
cally shuts it off to avoid overheating. After the Motor cools, it will cycle back on.  
Wait for the cycle to continue. Do not try to turn on the Pump manually after it  
has automatically shut off.  
10.  
Connect additional Discharge Pipe as needed to direct the water discharge to the  
desired location. The discharge should be kept as short as possible with a mini-  
mum number of turns. IMPORTANT: Do not exceed the maximum lift of the  
Pump:  
1 HP Model 93819 = 26 Feet.  
1.2 HP Model 93820 = 28 Feet.  
11.  
12.  
Connect the Power Cord & Plug (1) to its 120 volt, GFCI electrical outlet, while  
making sure to form a “drip loop” in the Power Cord. (See Figure A.)  
When the water level exceeds approximately 4 inches the Pump will  
automatically turn on and run continuously until the water level falls below 4  
inches at which time the Pump will automatically turn off.  
13.  
WARNING! When shutting off power to the Pump, always shut off the  
electrical power to the GFCI outlet first. Then, disconnect the Pump’s Power  
Cord & Plug (1) from the GFCI outlet.  
INSPECTION, MAINTENANCE, AND CLEANING  
1.  
2.  
WARNING! Always shut off the electrical power to the GFCI outlet first.  
Then, disconnect the Pump’s Power Cord & Plug (1) from the GFCI outlet prior to  
performing any inspection, maintenance, or cleaning procedures.  
Before each use, inspect the general condition of the Pump. Check for cracked  
or broken parts, damaged electrical wiring, clogged Impeller Cover, Impeller, Dis-  
charge Pipes, and any other condition that may affect safe operation. If abnor-  
mal noise or vibration occurs, have the problem corrected before further use. Do  
not use damaged equipment.  
3.  
To clean the Impeller Cover and Impeller: A clogged or dirty Impeller Cover  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 10  
 
or Impeller (25) will greatly reduce performance of the Pump. To clean the Impel-  
ler Cover (32), spray the Cover with clean water. To clean the Impeller, remove  
the three Tapping Screws (39) at the bottom of the Base (38). Then, remove the  
Base to expose the Impeller Cover and Impeller. Use a stream of clean water to  
clean the Impeller and Impeller area inside the Pump. Then, replace the Base.  
(See Figure F and Assy. Diagram.)  
IMPELLER (25)  
BASE (38)  
IMPELLER COVER (32)  
FIGURE F  
4.  
5.  
When storing, make sure to store the Pump in a clean, dry, safe location out of  
reach of children. In cold weather, when the Pump is not in use, protect the in-  
terior of the Pump from freezing by draining the water and pumping a permanent  
type automobile anti-freeze containing a rust inhibitor through the system. A 50%  
mixture with water is recommended. Be sure to flush the system with a neu-  
tralizing liquid prior to re-use of the Pump.  
CAUTION! All maintenance, service, or repairs not mentioned in this  
manual must only be performed by a qualified service technician.  
TROUBLESHOOTING  
Problem  
Possible Solution  
Pump does not start.  
1. Make sure the Pump is plugged into a working 120 volt, GFCI, electrical  
outlet. (See page 5.)  
2. Adjust the Float Switch to a lower position. (See page 10.)  
1. Clean Impeller and Impeller Cover.  
No flow from Pump.  
2. Check Discharge Pipe for freezing or blockage. If necessary, thaw Pipe  
and/or remove excessive debris.  
3. Discharge Pipe excessively bent. Reset Pipe.  
Float Switch cannot sink down. Lower Float Switch. (See page 10.)  
1. Clean Impeller and Impeller Cover. (See page 11.)  
2. Check Discharge Pipe for freezing or blockage. If necessary, thaw Pipe  
and/or remove excessive debris.  
Pump does not switch off.  
Insufficient flow.  
3. Have a qualified service technician clean interior of Pump and, if  
necessary, replace worn parts.  
Pump switches off too soon.  
1. Clean Impeller and Impeller Cover. (See page 11.)  
2. Make sure the water temperature does not exceed 95° Fahrenheit.  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 11  
 
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 MAKESANY REPRESENTATION OR WARRANTY OFANY KIND TO THE BUYER THAT HE  
OR SHE IS QUALIFIED TO REPLACEANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER  
AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS  
SHOULD BE UNDERTAKEN BY CERTIFIEDAND LICENSED TECHNICIANS, AND NOT BY THE BUYER.  
THE BUYER ASSUMES ALL RISKS 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 #  
1
2
3
4
5
6
7
Description  
Power Cord & Plug  
Float Switch  
Screw  
Pump Rear Cover  
Cable Sleeve  
Cable Clamp  
Capacitor  
Cable Clamp Block  
Tapping Screw  
Motor Rear Cover  
Washer  
Bearing  
Rotor  
Stator  
Seal Ring  
O-Ring  
Motor Front Cover  
Washer  
Qty.  
1
1
4
1
1
2
1
1
3
1
1
2
1
1
3
1
Part #  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
38  
39  
Description  
Cable Sleeve  
O-Ring  
Washer  
Impeller  
Lock Nut  
Housing  
Steel Ball  
Washer  
Tapping Screw  
O-Ring  
Impeller Cover  
Tapping Screw  
Coupler  
O-Ring  
Adaptor  
Qty.  
1
1
1
1
1
1
1
1
1
1
1
3
1
2
1
1
9
10  
11  
12  
13  
14  
16  
17  
19  
20  
21  
Base  
Tapping Screw  
1
4
3
NOTE:  
Some parts are listed and shown for illustration purposes only,  
and are not available individually as replacement parts.  
Rev 08i  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 12  
 
ASSEMBLY DIAGRAM  
1
2
17  
18  
19  
3, 21  
20  
4
17  
17  
5
6
22  
23  
24  
7
36  
25  
9
10  
26  
27  
35  
34  
11, 15  
12  
13  
28  
29  
30  
35  
31  
32  
14  
13  
16  
33  
38  
39  
NOTE:  
Some parts are listed and shown for illustration purposes only,  
and are not available individually as replacement parts.  
Rev 08i  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 13  
 
LIMITED 1 YEAR / 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 for a period  
of ninety days from date of purchase that the engine/motor, the belts (if so equipped),  
and the blades (if so equipped) are free of defects in materials and workmanship. Har-  
bor Freight Tools also warrants to the original purchaser, for a period of one year from  
date of purchase, that all other parts and components of the product are free from  
defects in materials and workmanship (90 days if used by a professional contractor or  
if used as rental equipment). This warranty does not apply to damage due directly or  
indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our  
facilities, 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 con-  
sequential 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  
SKU 93819  
93820  
For technical questions, please call 1-800-444-3353  
PAGE 14  
 

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