Troubleshooting - Liberty Pumps 2603000C Manual Del Usario

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F.
For continuous operation the pump must be submerged to prevent the motor from overheating. If this
occurs, the pump will shut itself off until the motor cools to its normal temperature. Repeated overheating
may cause damage to the pump.
G.
Your pump is designed to effectively pump water. Although it will usually pass small particles suspended in
water, grass, heavy mud, sand or pea gravel can clog the pump and reduce the pump's performance. This
can usually be cleaned out by back flushing with a garden hose through the discharge. The normal
performance that can be expected is as follows:
Model
Pumping Height
260
Gallons/min
3

Troubleshooting

Problem
Pump will not run or
hum.
Pump runs or hums
but does not
remove water.
Pump runs but
removes very little
water.
Circuit breaker trips
or fuse blows when
pump starts.
0'
5'
16
15
Cause
Blown fuse or other interruption of
power; improper voltage.
Plug on power cord may not be
making contact in receptacle.
Discharge line may be blocked or
frozen.
Vertical lift is beyond pump's
capability.
Inlet screen of pump is plugged or
the impeller is jammed.
Anti-airlock hole is plugged with
debris.
Pump failed to prime due to
insufficient water depth
Pump has met or exceeded its
maximum lift.
Vertical lift is approaching pump's
maximum lift capability.
Pump's inlet is partially blocked.
Fuse or breaker is too small.
Other major appliance is on the
same circuit.
Pump is connected to an extension
cord or wiring is inadequate.
Defective motor or switch.
©Copyright 2012 Liberty Pumps Inc. All rights reserved
10'
15'
14
12
Correction
If blown, replace with properly sized fuse or
reset breaker; if voltage is under 108V, check
wiring size. Remove extension cord if
connected.
Check security and connection. If receptacle
is corroded, have it replaced by a certified
electrician.
Make sure line doesn't pass through cold
areas or isn't blocked.
Model 260 has a maximum lift of 30' Total
Dynamic Head.
Remove the pump screen and clean inlet and
impeller.
Clean out anti-airlock hole at base of
discharge tower.
Prime pump by placing it in a bucket of water
or move it to a deeper area of flooded region.
Route discharge piping to a lower level. If this
isn't possible then a larger pump may be
required.
Model 260 has a maximum lift capability of
30'.
Remove volute and make sure inlet is clear of
debris.
A 15-amp breaker should be used.
Pump should be on its own circuit.
Have an electrician check for proper wiring.
Consult factory.
20'
25'
9
5
30'
0
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