Instructions / Assembly

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Each unit is individually factory tested to ensure proper adjustment and operation. If the unit fails to operate properly, carefully re-read
the instructions and check that they have been followed correctly. Routine maintenance is not required on the pump itself, but
associated connections may require occasional attention. Lint and other foreign objects should be removed from the basin periodically.

NOTE: Liberty Pumps, Inc. assumes no responsibility for damage or injury due to disassembly beyond float removal in the field.
Disassembly, other than at Liberty Pumps or its authorized service centers, automatically voids warranty.
Problem
Cause
Correction
Pump will not turn on
 Blown fuse or other interruption of
power; improper voltage.
 Check that the unit is securely plugged in.
Have an electrician check all wiring for proper
connections and adequate capacity.
 Defective switch or build-up on tank
wall restricting free movement of
float switch.
 Check that float is free to move. If build-up
restricts float, clean and reinstall. Otherwise,
consult factory.
Pump runs or hums
but does not pump
 Discharge is blocked or restricted.
 Check the discharge line for blockage, including
ice if the line passes through or into cold areas.
 Check valve is stuck closed or
installed wrong.
 If present, remove and examine for freedom of
operation and proper installation.
 Total lift height has been reached
(see Fig. 2)
 Try routing pipe to a lower level. If not possible,
a larger pump may need to be installed in the
basin.
 Pump impeller is jammed.
 *Disassemble the receiver and bottom base of
pump. Remove foreign material. Reassemble.
 Defective switch.
 Check that float is free to move. If build-up
restricts float, clean and reinstall. Otherwise,
consult factory.
Pump does not turn off
 Defective switch or build-up on tank
wall restricting free movement of
float switch.
 Check that float is free to move. If build-up
restricts float, clean and reinstall. Otherwise,
consult factory.
Pump sprays water
from side of housing
 This is normal due to factory drilled
air-bleed hole
 No action required
Pump operates noisily
 Foreign objects in impeller cavity.
 *Disassemble the receiver and bottom base of
pump. Remove foreign material. Reassemble.
 Broken impeller
 Consult the factory for information regarding the
replacement of impeller.
3. Maintenance and Troubleshooting