Liberty Pumps 331 - Manual (Page 4)

©Copyright 2011 Liberty Pumps Inc. All rights reserved 4
Problem Cause Correction
Pump will not run.
 Blown fuse or other interruption of
power; improper voltage.
 *If blown, replace with properly sized fuse or
reset breaker; if voltage is under 108V, check
wiring size. Remove extension cord if
connected or use one of a heavier gauge.
 Worn motor brushes.  *Replace brushes
 Impeller blockage.
 *Remove blockage – this can be done by
removing the 4 screws that retain the impeller
plate or by removing the cap located at the
back of the unit and turning the shaft with a
flat screwdriver.
 Defective motor or switch.  *Replace motor or switch – consult factory.
Pump will not prime
or retain prime after
operating.
 Air leak in suction line.  Replace suction line.
 Impeller blocked.  *Remove front plate and clean impeller area.
 Impeller broken or worn.  *Replace impeller – contact factory.
 Suction lift too high.
Lower pump or use a check valve near the
bottom of the suction line (maximum suction
lift 15’).
 Hose kinked, looped, or collapsed.
 Straighten hose or replace with heavier
reinforced hose.
 Fittings not tight.
 Tighten fittings. Use new rubber hose
gaskets.
 Suction hose out of water.  Submerge suction hose and re-prime.
 Clogged inlet.  *Clean inlet or suction screen at hose end.
Flow rate is too low.
 Piping or hose is clogged or
damaged.
 Replace hose or check hose for kinks.
 Narrow piping or hose diameter.  Replace hose with ¾” reinforced hose.
 Low line voltage.
 *Check voltage. If under 108V, check wiring
size. Remove extension cord or use one with
a heavier gauge.
 NOTE: Liberty Pumps, Inc. assumes no responsibility for damage or injury due to disassembly in the field. Disassembly, other than at
Liberty Pumps or its authorized service centers, automatically voids warranty. All electrical work should be done by a qualified
electrician.
3 Year Limited Warranty
Liberty Pumps, Inc. warrants that pumps of its manufacture are free from all factory defects in
material and workmanship for a period of 3 years from the date of purchase. The date of purchase shall be determined by a
dated sales receipt noting the model and serial number of the pump. The dated sales receipt must accompany the returned
pump if the date of return is more than 3 years from the "CODE" (date of manufacture) number noted on the pump nameplate.
The manufacturer's obligation under this Warranty shall be limited to the repair or replacement of any parts found by the
manufacturer to be defective, provided the part or assembly is returned freight prepaid to the manufacturer or its authorized
service center, and provided that none of the following warranty-voiding characteristics are evident.
The manufacturer shall not be liable under this Warranty if the product has not been properly installed; if it has been
disassembled, modified, abused or tampered with; if the electrical cord has been cut, damaged or spliced; if the pump
discharge has been reduced in size; if the pump has been used in water temperatures above the advertised rating, or water
containing sand, lime, cement, gravel or other abrasives; if the product has been used to pump chemicals or hydrocarbons; if a
non-submersible motor has been subjected to excessive moisture; or if the label bearing the serial, model and code number
has been removed. Liberty Pumps, Inc. shall not be liable for any loss, damage or expenses resulting from installation or use of
its products, or for consequential damages, including costs of removal, reinstallation or transportation.
There is no other express warranty. All implied warranties, including those of merchantability and fitness for a particular
purpose, are limited to three years from the date of purchase.
This Warranty contains the exclusive remedy of the purchaser, and, where permitted, liability for consequential or incidental
damages under any and all warranties are excluded.