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For technical questions, please call 1-888-866-5797.

Item 56599 

        

Maintenance

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: 
Unplug the Pump from its electrical outlet before performing any 
inspection, maintenance, or cleaning procedure.
TO AVOID SKIN BURNS:  Allow time for the pump to cool after periods of extended use.
TO AVOID INJURY:  Do not use pump if any part of the switch housing or 
probe (inside switch housing) is cracked, broken or missing.

Maintenance

1.  If the pump is moved during operation, flush 

pump with clean water after every use.

2. 

Quarterly 

Perform at least once every 3 months under 
optimal conditions.  For frequent use or dirty 
areas, more frequent maintenance is required.
a.  Clean sludge and debris from 

surface where pump is placed.

b.  Clean sludge/debris from Debris 

Strainer and Inlet Screen.

c.  Flush discharge hose and make 

sure it is free from leaks.

d.  Make sure Check Valve is functioning properly.

e. 

Lift Pump from 2″ or more of water to determine 

that pump turns on/off as intended.

Note:

  If the pump won’t stop, unplug the pump.  

Remove the Debris Strainer and check 
inside the sensor body.   Remove any 
trapped leaves, debris or dirt.

3. 

When the temperature drops below freezing, 
remove the pump from service and store indoors 
to protect pump from ice damage.

  The pump 

has a protection circuit to protect the motor from a 
locked impeller which can be caused by debris build 
up or a frozen impeller.  When the pump is activated 
and the impeller is detected to be locked, the unit 
will automatically shut down to protect the motor 
from overheating.  Once the pump is able to operate 
correctly, the pump will resume normal operation.

Troubleshooting

Problem

Possible Causes

Possible Solutions

Pump runs, but 
delivers little 
to no water.

1.  Debris Strainer, Inlet Screen and/or 

Impeller clogged. 

2.  Obstructed discharge hose. 

3.  Discharge height exceeds capability.

1.  Remove Debris Strainer.  Clean out dirt and 

debris from Debris Strainer, inlet screen 
and impeller.  Replace Debris Strainer.

2.  Check for kinks, reposition and straighten.  

Flush any clogs with clean water.

3.  Reduce discharge height.

Pump won’t 
start or run.

1.  Check power connections 

and circuits/fuses.

2.  Water level too low. 

3.  Defective motor.

1.  Consult an electrician. 

2. 

Wait for water level to reach 2″ 

or move Pump to a lower location.

3.  Have a qualified service technician repair or replace.

Pump won’t 
turn off

1.  Debris in switch
2.  Discharge height exceeds capability.

1.  Rinse switch with clean water.
2.  Reduce discharge height.

Pump starts and 
stops too often.

1.  Back flow of water from hose. 

2.  Pump not sitting level.
3.  Dirty switch.

1.  Replace check valve.  Move hose so output 

runs downward, away from pump.

2.  Reposition pump so it sits level on surface.
3.  Rinse switch with clean water.

Follow all safety precautions whenever diagnosing or servicing the tool.   
Disconnect power supply before service.

Summary of Contents for 56599

Page 1: ...s manual and the receipt in a safe and dry place for future reference 19i When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2019 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 wr...

Page 2: ...cations This unit is NOT designed for use in septic tanks or underground vaults to pump raw sewage or effluents NEVER use in hazardous or explosive locations 14 Do not pump flammable or explosive liquids such as oil gasoline kerosene ethanol etc Do not use in the presence of flammable or explosive vapors Using this pump with or near flammable liquids can cause an explosion or fire resulting in pro...

Page 3: ...llow the instructions regarding common pump problems and remedies 31 This pump is fully automatic in operation If the water level is over 2 in the water detector senses water Then the control system built in the pump automatically starts the pump and the pump continues to run until water is pumped down to 3 4 in deep and then it stops If the water level is not over 2 in the pump will not start 32 ...

Page 4: ... break down grounding provides a low resistance path to carry electricity away from the user reducing the risk of electric shock See 3 Prong Plug and Outlet 2 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 a...

Page 5: ... kinds 2 If the water level sinks too low any sludge on the surface 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 Power Supply 1 The pump is equipped with a shock proof plug according to regulations The pump is designed to be connected to a 120 VAC 60Hz GFCI protected circuit 2 Make sure that the plug and so...

Page 6: ...Strainer attached to filter out debris and stabilize the pump Discharge Debris Strainer Switch Housing Base and Inlet Screen Latches Connecting Discharge Hose sold separately 1 If using a 3 4 hose screw one end of the hose to the Check Valve until tight To minimize leaks use a hose that has a 3 4 threaded connector and rubber gasket 2 If using a 1 1 4 discharge hose connect a 3 4 adapter sold sepa...

Page 7: ...one end of the included 25 rope to the pump handle Secure with a knot 3 Lower pump with Debris Strainer attached in a low area where water accumulates Do not drop the pump into a depth of more than 13 or the automatic switch may not function properly Be sure pump sits fully upright 4 Secure the rope outside the water for easy access a Be careful not to pinch or damage the rope cord or hose b Place...

Page 8: ...aches outlet without any strain to cord 5 Secure the end of the rope outside the water collection area for easy access 6 Place pump in the lowest spot on surface where water accumulates Be sure pump sits fully upright 7 To position pump on a surface you cannot walk on hold rope walk around parameter and gently pull pump with rope Be careful to guide hose and power cord as you position the pump 8 O...

Page 9: ...st have contact with water to automatically start the pump 4 The pump will not run dry Once the pump detects that water is no longer being removed it will shut down automatically Note The pump must remain upright and level at all times for water detection to function properly Do not allow the pump to operate on its side or inverted The shaft seal depends on water for lubrication Allowing the pump ...

Page 10: ...he motor from a locked impeller which can be caused by debris build up or a frozen impeller When the pump is activated and the impeller is detected to be locked the unit will automatically shut down to protect the motor from overheating Once the pump is able to operate correctly the pump will resume normal operation Troubleshooting Problem Possible Causes Possible Solutions Pump runs but delivers ...

Page 11: ...EMENTS 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 Part Description Qty 1 Shaft 1 2 Impeller 1 3 Diffuser 1 4 Screw 4 5 Base and Inlet Screen 1 6 Screw 3 7 Debris St...

Page 12: ...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 merchand...

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