Cleaning The Impeller And Volute; Troubleshooting - red lion RLSP33PED El Manual Del Propietario

Cleaning the Impeller and Volute

Periodic cleaning of the pump parts will prolong the life and efficiency of the pump. After removing power
to the pump, disconnect the pump from the discharge plumbing.
1. Remove the screws that hold the base to the volute, then separate the base from the volute.
2. Remove the base and clean the impeller and the volute passage. Do not use strong solvents on the
impeller.
3. Be sure the impeller turns freely after cleaning.
4. Attach the base to the volute, making sure the seal is properly aligned.

Troubleshooting

Problem
Pump does not turn on
Pump will not shut off
Pump runs but does not
discharge liquid
Pump does not deliver
rated capacity
Pump cycles continuously
Probable Causes
Pump not connected to electrical power. Connect pump to a dedicated circuit equipped with GFCI.
Circuit breaker off or fuse removed.
Accumulation of trash or build-up on
float.
Float obstruction.
Defective switch.
Defective motor.
Float or float stem obstruction.
Pump is air locked.
Liquid inflow matches pump capacity.
Defective switch.
Check valve installed backwards.
Check valve stuck or plugged.
Lift too high for pump.
Inlet to impeller plugged.
Pump is air locked.
Lift too high for pump.
Low voltage, speed too slow.
Impeller or discharge pipe is clogged.
Impeller wear due to abrasives.
No check valve in long discharge pipe
allowing liquid to drain back into basin.
Check valve leaking.
Basin too small for inflow.
Corrective Action
Turn on circuit breaker or replace fuse.
Clean float.
Check float path and provide clearance.
Replace pump.
Replace pump.
Check float and float stem path and provide clearance.
Shut off power for approximately 1 minute, then restart.
Repeat several times to clear air from the pump.
Larger pump required.
Replace pump.
Check flow indicating arrow on check valve body to
ensure proper installation.
Remove check valve and inspect for proper operation.
Check rated pump performance.
Pull pump and clean.
Pull pump and clean.
Check rated pump performance.
Check that supply voltage matches the nameplate rating.
Pull pump and clean. Check pipe for scale or corrosion.
Replace pump.
Install a check valve in discharge line.
Inspect check valve for correct operation.
Install larger basin.
MAINTENANCE
Troubleshooting
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