Harbor Freight Tools Water Pump 94639 User Manual

12 VOLT UTILITY PUMP  
Models 9576, 94639  
OPeraTIng InsTrUcTIOns  
Visit our website at: http://www.harborfreight.com  
read this material before using this product.  
Failure to do so can result in serious injury.  
saVe ThIs ManUaL.  
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. 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 technical questions or replacement parts, please call 1-800-444-3353.  
Manual revised 10a  
 
wearing a long-sleeve shirt, roll sleeves  
up above elbows.  
15. The warnings, precautions, and  
instructions discussed in this manual  
cannot cover all possible conditions and  
situations that may occur. The operator  
must understand that common sense  
and caution are factors, which cannot  
be built into this product, but must be  
supplied by the operator.  
7. Do not overreach. Keep proper footing  
and balance at all times to prevent  
tripping, falling, back injury, etcetera.  
8. Industrial applications must follow OSHA  
requirements.  
9. Stay alert. Watch what you are doing at  
all times. Use common sense. Do not  
use this product when you are tired or  
distracted from the job at hand.  
sPecIFIc PrODUcT WarnIngs  
anD PrecaUTIOns  
1. TO AVOID SERIOUS PERSONAL  
INJURY AND PROPERTY DAMAGE,  
DO nOT aTTeMPT TO Use ThIs  
PrODUcT TO PUMP FLaMMaBLe,  
eXPLOsIVe, Or cOrrOsIVe  
LIQUIDs.  
10. Check for damaged parts. Before using  
this product, carefully check that it  
will operate properly and perform its  
intended function. Check for damaged  
parts and any other conditions that may  
affect the operation of this product.  
Replace or repair damaged or worn parts  
immediately.  
2. Use OnLY a 12 VOLT Dc  
eLecTrIcaL sYsTeM TO POWer  
ThIs PUMP.  
11. Replacement parts and accessories:  
when servicing, use only identical  
replacement parts. Only use  
3. Maintain a safe working environment.  
Keep the work area well lit. Make  
sure there is adequate surrounding  
workspace. Keep the work area free  
of obstructions, sawdust, grease, oil,  
standing water, trash, and other debris.  
accessories intended for use with this  
product. Approved accessories are  
available from harbor freight tools.  
12. Maintain this product with care. Keep  
this product clean and dry for better and  
safer performance.  
4. Avoid electrical shock. Use caution  
when connecting the utility pump to  
a 12 volt, DC electrical system. Use  
caution when working with uninsulated  
conductors or bus bars. Prevent body  
contact with grounded surfaces. Avoid  
stepping in standing water or other  
liquids.  
13. For your safety, service and maintenance  
should be performed regularly by a  
qualified technician.  
14. Use the right tool for the job. Do  
not attempt to force a small tool or  
attachment to do the work of a larger  
industrial tool. There are certain  
applications for which this tool was  
designed. It will do the job better and  
more safely at the rate for which it was  
intended. Do not modify this tool, and do  
not use this tool for a purpose for which it  
was not intended.  
5. This utility pump is designed for  
intermittent use only. Do not use the  
utility pump over excessive lengths of  
time, as premature wearing will result.  
6. Secure the discharge hose (not included)  
before starting the utility pump. An  
unsecured hose may whip, causing  
personal injury and/or property damage.  
SKU 9576,  
94639  
For technical questions, please call 1-800-444-3353.  
Page 3  
 
7. Do not allow the utility pump to run  
dry. Fill the pump (23) chamber with  
liquid before operation. Failing to do so  
may damage the seal ring (22), which  
depends on the liquid for its lubrication.  
16. When connecting the power cords (1) to  
the boat’s 12 volt DC electrical system,  
connect the red power cord first. Then,  
connect the black power cord. When  
disconnecting the power cords from  
the electrical system, disconnect  
the black power cord first. Then,  
disconnect the red power cord.  
8. In cold weather, when the utility pump  
is not in use, protect the interior of the  
pump from freezing by draining the  
liquid and pumping a permanent type  
automobile antifreeze containing a rust  
inhibitor through the system. A 50%  
mixture with water is recommended. Be  
sure to thoroughly flush the system with  
a neutralizing liquid prior to reuse of the  
unit.  
17. Turn the boat’s ignition switch to its “off”  
position and disconnect the utility pump  
from the boat’s 12 volt DC electrical  
system before performing any inspection,  
adjustments, maintenance, or cleaning  
procedures on the pump.  
18. DO NOT SUbMERGE ThE UTILITY  
PUMP IN wATER.  
9. If used on a boat, read and understand  
all instructions and safety precautions as  
outlined in the manufacturer’s manual for  
the boat on which the utility pump will be  
used.  
19. People with pacemakers should consult  
their physician(s) before using this  
product. Electromagnetic fields in close  
proximity to a heart pacemaker could  
cause interference to or failure of the  
pacemaker.  
10. Lead-acid batteries generate  
hydrogen gas during normal  
operation. hydrogen gas is:  
explosive and highly flammable.  
11. If connecting the utility pump temporarily  
to a lead-acid battery, wear ANSI  
approved, safety impact eye goggles.  
12. Avoid contact with battery acid. If  
splashed, immediately wash affected  
area with clean water. Continue washing  
area until medical help is available.  
13. If the utility pump is used on a boat, turn  
off the boat ignition before making power  
cord (1) connections.  
14. If used on a boat, always connect the red  
power cord (1) on the utility pump to the  
positive (+) side of the boat’s 12 volt DC  
electrical system.  
15. Connect the black power cord (1) on the  
utility pump to the negative (--) side of  
the boat’s 12 volt electrical system.  
Page 4  
For technical questions, please call 1-800-444-3353.  
SKU 9576,  
94639  
 
sPecIFIcaTIOns  
OPeraTIng InsTrUcTIOns  
nOTe: For additional reference to the parts  
mentioned in the following pages, refer  
to the assembly Diagram at the end of  
this manual.  
Model  
9576  
94639  
12 VDC / 50 W 12 VDC / 110 W  
/ 4,500 RPM  
Motor  
/ 4,500 RPM  
Utility Water  
Pumping,  
Utility Water  
Pumping  
nOTe: Mount the pump permanently to  
a flat surface only. Do not mount the  
Pump on a rounded surface. (Hardware  
for permanently mounting the Utility  
Pump is not included.)  
Application  
including  
marine  
applications  
Power Wires  
18 AwG x 19” Long (Qty. 2)  
Discharge  
Height*  
23 ft.  
cOnnecT  
DIscharge hOse  
(nOT IncLUDeD)  
here.  
Flow Rate*  
200 GPh  
300 GPh  
Self Priming  
Yes  
Stainless Steel Pump Housing  
Steel Motor Housing  
Construction  
Dual Threaded  
Inlet  
3/8”-18 NPT Female I.D.  
3/4” Male O.D.  
Dimensions  
5-3/4” L x 2-1/2” Dia. x 4” h  
*note: For optimal performance, the  
suction hose (not included) I.D.  
must be at least the same size as the  
suction flange and free of air leaks.  
All joints and connections of the suction  
hose should be securely tightened to  
prevent air from entering the suction  
side. Use a good grade suction hose  
that will not collapse.  
cOnnecT  
sUcTIOn hOse  
(nOT IncLUDeD)  
FIgUre a  
here.  
1. The Inlet and Outlet Ports on the Utility  
Pump are both dual threaded with an  
Inside Diameter of 3/8” NPT and an  
Outside Diameter of 3/4”. This allows  
for more versatility in selecting a suction  
hose and discharge hose (not included)  
with the proper threaded male or female  
connector. (see Figure a.)  
In addition, the height from the inlet  
to the pump and then the height from  
the outlet to the discharge will greatly  
impact pump performance.  
UnPacKIng  
When unpacking, make sure the item  
is intact and undamaged. If any parts are  
missing or broken, please call Harbor Freight  
Tools at 1-800-444-3353 as soon as possible.  
2. If you are connecting a suction hose  
having a threaded male connector,  
wrap about 4” of pipe seal tape (not  
included) around the threads of the  
male connector. Then, firmly screw the  
male connector into the threaded female  
connector of the Utility Pump. Repeat  
reV 08e, 10a  
SKU 9576,  
94639  
For technical questions, please call 1-800-444-3353.  
Page 5  
 
this process for the discharge hose  
having a threaded male connector.  
or binding of moving parts, cracked or  
broken parts, damaged electrical wiring,  
loose or leaking suction and discharge  
hoses, and any other condition that may  
affect the safe and efficient operation  
of the Utility Pump. If abnormal noise  
or vibration occurs, have the problem  
corrected before further use. Do not  
use damaged equipment.  
3. If you are connecting a suction hose  
having a threaded female connector,  
wrap about 4” of pipe seal tape (not  
included) around the threads of the male  
connector of the Utility Pump. Then,  
firmly screw the female connector of the  
suction hose onto the threaded male  
connector of the Utility Pump. Repeat  
this process for the discharge hose  
having a threaded female connector.  
2. When necessarY: With a clean, dry  
cloth, or vacuum, remove all dirt and  
debris from the Utility Pump.  
note: Depending on the make/model of  
boat on which the Utility Pump will be  
used, there are many variations as to  
connecting the Utility Pump to the boat’s  
12 Volt DC electrical system. Therefore,  
it is recommended that only a qualified  
technician perform this procedure.  
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.  
note: It is highly recommended that a circuit  
protection device and control switch be  
used when permanently installing this  
pump. Refer to the section, “Specific  
Product Warnings and Precautions” in  
this manual for further instructions.  
InsPecTIOn, MaInTenance,  
anD cLeanIng  
TO PreVenT InJUrY  
anD FIre FrOM  
accIDenTaL OPeraTIOn Or  
sParKIng:  
Turn the Boat’s Ignition switch to  
its “OFF” position and  
disconnect the Power cords (1)  
from the boat’s 12 Volt Dc  
electrical system before  
performing any inspection,  
maintenance, or cleaning.  
1. BeFOre each Use, inspect the  
general condition of the Utility Pump.  
Check for loose screws, misalignment  
Page 6  
For technical questions, please call 1-800-444-3353.  
SKU 9576,  
94639  
 
reV 05i;06k; 10a  
SKU 9576,  
94639  
For technical questions, please call 1-800-444-3353.  
Page 7  
 
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.  
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.  
Harbor 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 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.  
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  
Page 8  
For technical questions, please call 1-800-444-3353.  
SKU 9576,  
94639  
 

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