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GARDEN JET PUMP 3/4 HP
40634
ASSEMBLY & OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at: http://www.harborfreight.com
Copyright 1999 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 and replacement parts, please call 1-800-444-3353.
®
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THANK YOU for choosing a HARBOR FREIGHT TOOLS product. For future reference, please complete the
owner’s record below:
Model__________ Serial No._____________ Purchase Date ______________
SAVE THE RECEIPT, WARRANTY AND THESE INSTRUCTIONS. It is important that you read the entire
manual to become familiar with the unit BEFORE you begin assembly.
Technical Specifications
Tool Name: Garden Jet Pump 3/4 HP
Item Number: 40634
Pump Type: Centrifugal Type Pump
Self-Priming: Yes
HP: 0.8
Material: Cast Iron
GPM: 12 GPM Pumping Capacity
NPT Discharge: 1-1/4"
Power Source: 115V, 10 Amps, 60Hz, 3400 RPM, Single Phase,3 Wire
Cord: 6 Foot
Max. Lift: 161
Max. Suction Height: 23 Ft.
Weight: 21.60 Lbs.
Accessories: 13’ x 3/4” Suction Hose with Strainer
Tool Use: Can be used to pull water from a well, lake or body of water and to
water a lawn or yard.
(Hoses can be purchased separately through Harbor Freight Tools Catalog or
the Web Site: www.harborfreight.com)
Warning: The warnings, cautions and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur. It must
be understood by the operator that COMMON SENSE AND CAUTION ARE
FACTORS WHICH CANNOT BE BUILT INTO THIS PRODUCT, BUT
MUST BE SUPPLIED BY THE OPERATOR.
The Operator
PLEASE REMEMBER:
Do not operate the product if under the influence of alcohol or drugs. Read warning labels on prescriptions to
determine if your judgment/reflexes might be impaired.
Do not wear loose clothing or jewelry as they can be caught in moving parts.
Protective gloves and non-skid footwear is recommended. Maintain proper footing and balance at all times.
Wear restrictive hair covering to contain long hair.
Use eye and ear protection. Always wear ANSI approved: impact safety goggles.
Do not abuse the power cord. Do not yank on cord to disconnect it from outlet. Keep the cord away from heat,
oil and sharp edges.
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Work Area
TO AVOID RISK OF PERSONAL INJURY, EQUIPMENT DAMAGE, FIRE AND SHOCK, MAKE SURE YOUR
WORK AREA IS:
Free of damp, wet or rainy conditions.
Free of children (never let them handle tools or machinery).
Well-lit.
Clean and uncluttered.
Free of flammable gasses or liquids.
Before Operating
Before using any tool, any part that appears damaged should be carefully checked to determine that it will
operate properly and perform its intended function.
Before operating your Garden Jet Pump, check for damaged parts.
Make certain that the power is OFF before plugging the tool in.
Make sure all clamps, locks and bolts are tight.
Use grounded receptacle only for 110 Volt hook-up.
Make certain to turn off and unplug the Pump when doing any maintenance. The tool should always be turned
off and unplugged when not in use.
Note: Performance of this tool may vary depending on variations in local line voltage.
Grounding/Voltage Warning
Common household current is 110-120 volts. As long as the outlet used with the tool is rated from 110-120V
there will be no complications using it with household receptacles. Plug the tool into a 110-120v properly
grounded outlet protected by a 15-amp, dual element time delay or circuit breaker.
NEVER try to plug a 110-120V tool into a 220-240V circuit or serious complications and possible injury to the
operator may occur. The plugs have different shapes to prevent this.
This tool has a three-prong plug. The third (round) prong is the ground. Cutting off the ground will result in a
safety hazard and void the warranty.
If the outlet you are planning to use is the two-prong type, do not remove or alter the grounding prong in any
manner. Use an adapter and always connect the grounding plug to a known grounding source. It is
recommended that you have a qualified electrician replace the two-prong outlet with a properly grounded
three- prong outlet.
DO NOT MODIFY YOUR PLUG IN ANY WAY. IF YOU HAVE ANY DOUBT, CALL A QUALIFIED ELECTRICIAN.
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Assembly
Your Garden Jet Pump is fully assembled, although hoses and fittings will need to be connected prior to
operation. For assistance with operation and set up, please refer to the Assembly Diagram and Parts List
located on pages 5 and 6 of this manual.
Operation
Never force the tool or attachment to do the work of a larger industrial tool. It is designed to do the job better
and more safely at the rate for which it was intended.
Before adjustments are made, ensure that the Pump is SWITCHED OFF AND UNPLUGGED. Also make sure
all connections are secure once adjustments are complete.
Note: Do not run pump dry; damage may occur.
Do not use the pump for abrasive liquids. If the water to be pumped contains sand or other abrasives, a filter
must be used.
Set the pump up in a well ventilated area with a temperature not to exceed 104F. If the temperature is to drop
below freezing, drain the pump completely and discontinue use until the temperature is above the freezing
level.
Step 1) Unscrew the Plug (part #26) which is located at the top of the Pump next to
the Outlet opening. Completely fill the compartment with water until the water overflows.
Once filled, and the pump is run, the pump will be self-priming.
Step 2) Determine which fitting or adapter to be used during operation. Screw the appropriate type
attachments into the Intake and Discharge. Make sure that the seals are tight.
Note: The Intake is located at the rear of the pump, and the Discharge opening is located at the top
of the Pump (please refer to the Assembly Diagram on the last pages of this manual).
Step 3) Place the pump on a level, solid foundation with the intake in water. Plug the pump into it’s
power source.
Step 4) To turn the pump “ON”, there is a clear “ON-OFF” switch (part #40) located at the top of the
pump. Push it to turn it “ON”. Repeat to turn it “OFF”.
Step 5) If, during pump operation, water stops flowing from the discharge hose, unplug the pump
immediately. Check the Troubleshooting Table on the following page to correct the problem.
IF THERE IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE, DO NOT OPERATE THE TOOL.
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After Operation-Maintenance
CLEANING: Regularly clean the work surface with a dry brush or clean cloth. Wipe off any
debris. Always keep the motor area clean of debris.
LUBRICATION: No lubrication is required.
STORAGE: Store out of the reach of children. Child-proof the machine and work area
Unpacking
When unpacking your Garden Jet Pump, check to make sure the following parts are included. If any parts are
missing or broken, please call HARBOR FREIGHT TOOLS at 1-800-444-3353.
Parts List - #40634
Part # Description Quantity Part # Description Quantity
1 Plastic Fan Cover 1 22 Pump Casing 1
2 Fan 1 23 Plastic Nut 2
3 Screw 4 24 Plug 1
4 Assembled Stator 1 25 Washer 1
5 Motor Foot 1 26 Plug 1
6 Bearing Adapter 1 27 Screw 4
7 Ball Bearing 2 28 Electric Box Cover 1
8 Motor Shaft 1 29 Cable Grommet 1
9 Screw 4 30 Cable Clamps 1
10 Pump Support 1 31 Cable Nut 1
11 Garden Accessories Set 1 32 Cable 2
12 Drops Guard 1 33 Capacitor 1
13 Plastic Flange 1 34 Screw 1
14 Mechanical Seal-Fixed 1 35 Electric Terminal 1
15 Mechanical Seal-Rolling 1 36 Screw 1
16 Impeller 1 37 Screw 1
17 Diffuser 1 38 Washer 1
18 Rubber Seal 1 39 Power Cable 1
19 Ejector 1 40 ON/OFF Switch 1
20 O-Ring 1 41 Nipple 1
21 O-Ring 1
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Troubleshooting
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#40634 Page 6
Intake
Discharge
Assembly Diagram- #40634
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