TO CLEAN THE IMPELLER
Follow the steps shown below. To reassemble pump, reverse
the sequence.
Risk of electric shock. Can burn or cause
death. Before removing the pump from the sump for service,
always disconnect the electrical power source to the pump. Do
not raise, lower, or carry pump by the power cord. Use the
handle that is provided on the pump.
1.
Unplug the Pump.
The Piggyback Plug
from the Float Switch.
The Pump Plug
Figure 2: Pump Installation.
TROUBLESHOOTING
SYMPTOM
Pump won't start or run.
Pump starts and stops
too often.
Pump won't shut off.
Pump operates but
delivers little or no water.
2.
Lift the Pump out of
the Sump Pit by
the Pump Handle.
PROBABLE CAUSE(S)
Blown fuse.
Low line voltage.
Defective motor.
Defective float switch.
Impeller stuck.
Float obstructed.
Backflow of water from piping.
Faulty float switch.
Defective float switch.
Restricted discharge
(obstacle in piping).
Float obstructed.
Low line voltage.
Something caught in impeller.
Worn or defective parts or
plugged impeller.
Check valve installed without
vent hole.
3.
Remove the Screws
that hold the Suction
Housing to the Pump Assembly
and clean out the Impeller.
CORRECTIVE ACTION
If blown, replace with fuse of proper size.
If voltage under recommended minimum, check size of wiring from
main switch on property. If OK, contact power company or hydro authority.
Replace pump.
Replace float switch.
If impeller won't turn, remove lower pump body and locate source of binding.
Remove obstruction.
Install or replace check-valve.
Replace float switch.
Replace float switch.
Remove pump and clean pump and piping.
Remove obstruction.
If voltage under recommended minimum, check size of wiring from main
switch on property. If OK, contact power company or hydro authority.
Clean out impeller.
Clean impeller if plugged; otherwise replace pump.
Drill a 1/16" - 1/8" (1.6mm - 3.2mm) dia. hole between pump
discharge & check valve.
5
Pump Assembly
Impeller
location
Suction
Housing
Suction
Housing
Screws
WA721