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Liberty Pumps 287 - User Manual

Liberty Pumps 287
30 pages
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©Copyright 2012 Liberty Pumps Inc. All rights reserved
IMPORTANT:
Prior to installation, record Model, Serial Number, and
Code Number from pump nameplate for future reference.
MODEL ________________________
SERIAL ______________________
CODE ______________________
INSTALLATION
DATE _______________________
*Do not throw away or lose this manual.
7000 Apple Tree Avenue
Bergen, NY 14416
Phone: (800) 543-2550
Fax: (585) 494-1839
www.libertypumps.com
Contents
General Information
Dewatering/Sump Applications
Effluent Applications
Electrical Service and Operation
Maintenance and Troubleshooting
Warranty
Installation Manual
7035000K
Heavy Duty Submersible Effluent/Dewatering Pumps
Models
250-Series 1/3 HP
280-Series 1/2 HP
290-Series 3/4 HP
FL30-Series 1/3 HP
FL50-Series 1/2 HP
FL60-Series 6/10 HP
FL70-Series 3/4 HP
FL100-Series 1 HP
FL150-Series 1-1/2 HP
FL200-Series 2 HP

Questions and Answers

  • B
    Brian PotterAug 8, 2025
    Why Liberty Pumps 287 Water Pump won't run?
    • V
      Victor LoveAug 8, 2025
      If your Liberty Pumps Water Pump isn't running, there are several potential causes. It could be due to a blown fuse or power interruption, or improper voltage. Ensure the unit is securely plugged in and have an electrician inspect the wiring. The switch may be obstructed, preventing it from turning on, so ensure the pump or switch has enough clearance. Also, the liquid level might be insufficient to activate the switch. Finally, the switch itself could be defective and need replacement.
  • M
    Madison SmithAug 15, 2025
    What to do if Liberty Pumps Water Pump runs but doesn't pump?
    • A
      Ashley GarciaAug 15, 2025
      If your Liberty Pumps Water Pump runs or hums but isn't pumping water, consider these possibilities. The discharge line might be blocked; check for any obstructions, including ice if the line runs through cold areas. The check valve could be stuck or installed backward; remove and inspect it. Ensure that any gate or ball valves are open. The pump's total lift capability might be exceeded; try routing the piping to a lower level, or consult the factory about a larger pump. Lastly, the impeller could be jammed or the volute casing plugged; remove the pump, detach the base, clean around the impeller, and reinstall.
  • A
    Ashley PierceAug 20, 2025
    What to do if Liberty Pumps 287 Water Pump will not turn off?
    • K
      Kyle PetersenAug 20, 2025
      If your Liberty Pumps Water Pump won't turn off, it could be caused by a couple of things. The switch might be obstructed, preventing it from moving to the 'turn off' position. Ensure the pump or switch has adequate clearance for free operation. Alternatively, the switch itself could be defective and require replacement.
  • S
    Sarah SmithAug 27, 2025
    How to fix a noisy Liberty Pumps Water Pump?
    • M
      Mr. Stephen WilliamsAug 27, 2025
      A noisy Liberty Pumps Water Pump could be due to several reasons. There might be foreign objects in the impeller cavity; remove the pump, detach the base, clean the impeller area, and reassemble. A broken impeller could also be the culprit, consult the factory for information regarding replacement of impeller. Worn bearings can cause noise; return the pump to the factory or authorized repair station for repair. Finally, rigid piping attachments to the building can transmit noise; replace part of the discharge line with a rubber hose or connector.
  • K
    Kari JonesSep 1, 2025
    Why does Liberty Pumps Water Pump run periodically?
    • J
      Jessica WeberSep 1, 2025
      If your Liberty Pumps Water Pump runs periodically even when fixtures aren't in use, it could be due to a check valve issue. The check valve might be missing, stuck open, or leaking; remove and inspect it for proper function and installation. Another possibility is leaking fixtures; repair any leaks to stop the pump from cycling unnecessarily.

Summary

General Information

Safety Warnings

Key safety precautions including electrical shock, hazardous materials, and operating conditions.

Tools Required

Lists the essential tools needed for pump installation and maintenance.

Old Pump Removal

Step-by-step guide for safely disconnecting and removing an existing pump.

Dewatering; Sump Applications

Sump Pit Requirements

Recommendations for sump pit diameter, depth, and bottom preparation for efficient operation.

Discharge Piping and Connections

Instructions for connecting discharge pipes, unions, check valves, and anti-airlock holes.

Backup Systems and Alarms

Advice on adding backup pumps and alarms for enhanced protection against flooding.

Effluent Applications

Simplex System Setup

Guidelines for single pump installation, float clearance, and discharge pipe connection.

Duplex System Setup

Instructions for installing and configuring two pumps in a basin with float controls.

Electrical Service and Operation

Electrical Safety Precautions

Critical safety measures for wiring, grounding, and power supply to prevent electric shock.

Float Switch Operation

Explanation of how automatic pump operation is managed by float switches.

Manual Pump Operation

Procedures for bypassing float switches to operate pumps manually.

3 Phase Pump Models

Specific operational and installation considerations for three-phase pump models.

Maintenance

Pump Checks and Lubrication

Guidance on checking pump components, float switches, and periodic operation verification.

Troubleshooting

3 Year Limited Warranty

Liberty Pumps 287 Specifications

General IconGeneral
BrandLiberty Pumps
Model287
CategoryWater Pump
LanguageEnglish

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