1/3 HP Submersible Sump Pump
with Vertical Float Switch
Item 68476 Specifications
Float Switch Operation Height
Electrical Requirements
Power Cord Length
7.1 IN. ON / 2.8 IN. OFF
120V~ / 60Hz / 7.6A
10 FT.
Maximum Capacity
3000 GPH
Maximum Delivery Height
25 FT.
1.5 IN. NPT
(includes 1.25 IN. Adaptor)
Discharge Size
Maximum Water Temperature
77° F (25°C)
252728
Read the separate Sump Pump Safety Warnings,
Installation and Operation Instructions before
using this product.
Failure to do so can result in serious injury.
SAVE THIS SPECIFICATION SHEET AND
THE SUMP PUMP SAFETY WARNINGS,
INSTALLATION AND OPERATION
INSTRUCTIONS FOR FUTURE REFERENCE.
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.
Sump Pump
Safety Warnings, Installation and
Operation Instructions
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS SUMP PUMP SAFETY WARNINGS,
INSTALLATION AND OPERATION
INSTRUCTIONS AND THE SPECIFICATION
SHEET FOR FUTURE REFERENCE.
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.
Note: There may be some slight differences in the appearance of the various sump pumps, however
the instructions in this manual apply to all of such pumps provided by Harbor Freight Tools.
©
®
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.
reproductive harm. Wash hands after handling.
(California Health & Safety Code § 25249.5, et seq.)
Before start-up, note the following:
The pump can be connected to any shock-proof plug
which has been installed according to regulations.
The plug must have a supply voltage of 120 V~ at 60 Hz.
14. The warnings, precautions, 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.
CAUTION
This pump has been evaluated for use with water only.
Fluid Type
WARNING
The Pump is designed for use with water with
a maximum temperature of 77° F (25°C).
IMPORTANT! For your own safety –
before starting to run the pump, please have
the following items checked by an expert:
Do not use the pump for other fluids, especially not
fuels, cleaning fluids, or other chemical products.
1. Risk of electric shock – This pump is supplied
with a grounding conductor and grounding-type
attachment plug. To reduce the risk of
Specifications
electric shock, connect only to a properly
grounded, grounding-type receptacle.
See Specifications for your model on included sheet.
2. Risk of electric shock – This pump has not been
investigated for use in swimming pool areas.
Installation
3. The electrical connections must be
protected from moisture.
The submersible motor pump must be installed
in a stationary position with either:
4. If there is danger of flooding, the electrical
a. A fixed pipeline or
connections must be taken to higher ground.
b. A flexible hose pipe.
5. Circulation of caustic fluids, as well as the circulation
Please note!
of abrasive materials, must be avoided at all costs.
1. Do not install the pump by suspending it
unsupported from its delivery pipe or power cords.
The pump must be suspended from the
handle or be placed on the bottom of the shaft.
To ensure that the pump works properly,
keep the bottom of the shaft free from
sludge and dirt of all kinds.
6. The pump must be protected from frost.
7. The pump must be protected from running dry.
8. Access by children should also be
prevented with appropriate measures.
9. Position the Pump on a flat, level, solid surface.
Also secure the discharge pipe (not included) to a
solid surface to ensure the stability of the Pump.
2. If the water level sinks too low, any sludge in the
shaft will dry out and stop the pump from starting.
To help ensure the pump will start as required,
check the pump regularly with start-up tests.
10. Do not use with an extension cord.
If a GFCI-protected outlet is not close enough
to the pump, contact a licensed electrician to
install a new one. All wiring must be performed
by a licensed electrician and comply with
the National Electric Code. Do not remove
the round grounding pin from the plug.
Power Supply
1. The pump is equipped with a shock-
proof plug according to regulations.
The pump is designed to be connected to
120 V~, 60 Hz, Ground Fault Circuit Interrupter
(GFCI) protected safety socket.
11. Turn off power to all circuits before walking on
a wet floor. If you cannot turn power off first,
contact an electrician to turn off the power.
2. Make sure that the socket is sufficiently
12. Install a backup pump and/or high water alarm
secured and is in excellent condition.
as an additional safeguard against flooding.
3. When the plug is inserted into the socket
the pump will be on standby.
13. WARNING: Handling the Power Cord
on this product will expose you to lead,
a chemical known to the State of California
to cause cancer, and birth defects or other
4. Connect the Pump Power Cord only through the
Float Switch Cord plug to prevent dry running.
Page 2
For technical questions, please call 1-800-444-3353.
Sump Pump manual
3. Fit a sump cover with a hole for the output pipe
and power cords. Thread the Power Cords
through their holes, but do not plug them in yet.
Set the sump cover aside for now.
WARNING! If either power cord or plug is damaged,
do not use the pump. The power cord or plug
may only be repaired by a certified electrician.
Areas of use
1. This pump is designed to pump clear water only.
Note: The sump cover can also be
fitted with a vent pipe, if desired.
4. Attach a discharge pipe to the Pump Outlet.
2. This pump is designed for use as a basement pump.
When installed in a shaft, this pump provides
some protection from basement flooding.
Note: Wrap all threaded connections
with PTFE thread seal tape.
3. This pump can also be used to transfer water
(e.g. household, farming, plumbing).
To discharge
(away from foundation)
GFCI-Protected
Receptacle
Installation Instructions
1. Construct a basin that is at least 22 IN. deep
and at least 14 IN. in diameter.
Check
Valve
Pump
Cord
Float
Switch
Cord
Discharge
Pipe
Inlet Pipe
Sump
Basin
1
/ IN.
8
Air Bleed
Hole
at least 14
IN. diameter
Pump
Outlet
Figure A: Sump Basin
2. Position pump on solid surface so that the Float
Switch is away from the inlet pipe and at least 1 IN.
away from all obstructions throughout its movement.
Figure C: Outlet Pipe and Plug
5. To prevent needless cycling, install a check valve
onto the discharge pipe. This prevents water
from flowing back after the pump shuts off.
Pump
1
6. IMPORTANT: Drill a / IN. diameter air bleed hole
8
Sump Cover
Cord
through the Discharge Pipe just above the lower Base
to prevent Pump “airlock”. A small spray of water
out of this hole is normal while the Pump is running.
Float
Switch
Cord
7. Install a gate valve or ball valve if
required by building codes.
8. The ON/OFF height can be changed
by adjusting the Float Switch.
Float
Switch
9. Connect additional Discharge Pipe as needed
to direct the water discharge at least 3 FT.
away from the foundation. Slope the discharge
pipe downward, away from the foundation.
The discharge should be kept as short as
possible with a minimum number of turns.
Pump
IMPORTANT: Do not exceed the
Maximum Delivery Height of the Pump.
Figure B: Pump Position
Sump Pump manual
For technical questions, please call 1-800-444-3353.
Page 3
10. After connecting power to the pump and
periodically afterwards, test the pump:
Operation
a. Fill the basin to above the Float Switch Operation
ON Height. The pump should start pumping.
After reading these instructions,
consider the following points before starting the pump:
b. The pump should pump the water down
to below its Float Switch Operation OFF
Height and then stop pumping.
1. Verify that the pump rests on the floor of the shaft,
if it is not suspended by the handle.
c. If the water drains back into the basin and
restarts the pump, make sure the check
valve is properly installed and working.
2. Verify that the delivery pipe is properly connected.
3. Verify that the electrical connection is
120 V~, 60 Hz, and GFCI-protected.
Also make sure that all pipe connections are tight.
Note: It is the owner’s responsibility to ensure the
float switch is properly connected to the pump and can
operate properly and freely without obstructions.
4. Verify that the electrical socket is in good condition.
5. Verify that water and moisture cannot
get near the power supply socket.
6. Verify that the pump is installed so
as to prevent running dry.
7. Verify that the power cords do not have
excess slack in the Sump Basin to prevent
it from interfering with the Float Switch.
Secure them to the Discharge Pipe if needed.
8. Dry the floor and your hands,
then plug the Float Switch Cord into
a grounded, GFCI-protected receptacle.
9. Plug the Pump Cord into the back of the Float Switch
Cord’s plug. The pump will then be on standby.
GFCI-Protected
Receptacle
Pump
Cord
Float
Switch
Cord
Figure D: Outlet Pipe and Plug
Page 4
For technical questions, please call 1-800-444-3353.
Sump Pump manual
Cold Weather Storage
Maintenance
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.
TO PREVENT SERIOUS INJURY FROM
ACCIDENTAL OPERATION:
Unplug the Pump from its electrical outlet and
ALLOW TO COOL FOR AT LEAST 2 HOURS
before performing any inspection,
maintenance, or cleaning procedures.
Parts List and Diagram
1. Before each use, inspect the general condition of the
Pump. Check for cracked or broken parts, damaged
electrical wiring, clogged Impeller Cover, Impeller,
Discharge Pipes, leaks and loose connections, and
any other condition that may affect safe operation. If
abnormal noise or vibration occurs, have the problem
corrected before further use.
See Parts List and Assembly Diagram
for your model on included sheet.
Do not use damaged equipment.
2. Keep the Sump Basin clean. Clean out the
sump basin regularly and keep the cover in
place to keep it clean. Sand and other debris
can interfere with pump operation, can block the
air bleed hole, or can cause premature wear.
3. Clean out the air bleed hole periodically.
Quarterly Maintenance
The below maintenance must be performed at least
once every 3 months under optimal conditions.
For frequent use, or dirty areas,
more frequent maintenance is required.
1. Remove the Sump Basin Cover.
2. Clean sludge and debris from the bottom of the shaft.
3. Rinse the housing off with clean water.
4. Clean fibers from inside the pump housing
with a pressure washer (not included).
5. If the pump housing cannot be cleaned from
the outside, it must be thoroughly cleaned.
Unplug the power cords before maintenance.
Dismantle the bottom part of the pump as follows:
a. Remove the Screws at the bottom of the Base.
b. Remove the Base to expose the
Impeller Cover and Impeller.
c. Clean the impeller with clean water.
d. To prevent damage, do not rest the pump on
the impeller or pry against the impeller.
e. Reassemble in reverse order.
6. Make sure the float switch can operate
freely, without obstructions.
7. Replace the Sump Basin Cover.
Sump Pump manual
For technical questions, please call 1-800-444-3353.
Page 5
Troubleshooting
Problem
Possible Causes
Possible Solutions
Pump runs, but
will not deliver
any water.
Disconnect power cords immediately
to prevent damage from running dry.
Disconnect power cords immediately
to prevent damage from running dry.
1. Pump “airlock”.
1. Drill a 3/16 IN. diameter air bleed hole
through the Discharge Pipe just
above the Lower Base.
Impeller trapped in an air bubble.
2. Shut off valve closed (if installed).
3. Filter clogged.
2. Open valve.
3. Clean out dirt and debris from filter.
4. Impeller clogged.
4. Remove Volute. Clean out dirt and debris
from Impeller. Then replace Volute.
5. Discharge Pipe frozen or blocked.
5. Thaw pipe and/or remove debris.
6. Examine and correct check valve.
6. Optional check valve stuck or
installed backwards.
Pump won’t
start or run.
1. Check power connections and circuits/fuses. 1. Consult with an electrician.
2. Water level too low.
2. Allow water level to rise above the
Float Switch Operation ON Height
or move Pump to a lower location.
3. Filter clogged.
3. Clean out dirt and debris from filter.
4. Impeller clogged.
4. Remove Volute. Clean out dirt and debris
from Impeller. Then replace Volute.
5. Motor damaged or worn out.
5. Pump must be replaced.
Excessive noise 1. Debris in impeller.
or vibration.
1. Remove filter, if equipped.
Clean impeller. Then replace filter.
2. Discharge pipe restricted.
2. Clean pump and discharge pipe.
Straighten flexible hose.
3. Worn bearings.
3. Pump must be replaced.
Pump starts
and stops too
frequently.
1. Water temperature too high.
2. Back flow of water from discharge pipe.
3. Extension cord used.
1. Do not exceed 77° F (25°C).
2. Install or inspect optional check valve.
3. Eliminate use of extension cord.
Have licensed electrician install
GFCI-protected outlet near pump if needed.
Pump does
not shut off
automatically.
DISCONNECT POWER CORDS FIRST
TO PREVENT SERIOUS INJURY.
DISCONNECT POWER CORDS FIRST
TO PREVENT SERIOUS INJURY.
1. Pump Cord not connected through
Float Switch Cord plug.
1. Plug Pump Cord into back of
Float Switch Cord plug.
2. Float Switch stuck.
2. Check for free movement of Float Switch.
Clear debris away from beneath Float Switch.
3. Check valve not installed
properly or functioning.
3. Make sure check valve is properly
installed and in working order.
4. Defective Float Switch.
4. Unplug Pump from its electrical outlet.
Do not use until qualified technician
checks Pump for proper operation.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.
Page 6
For technical questions, please call 1-800-444-3353.
Sump Pump manual
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 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
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
WARRANTIES OF MERCHANTABILITY AND FITNESS.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 91302 • (800) 444-3353
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