Blocked Impeller; Removal And Replacement Of The Impeller; Mechanical Seal Replacement - Speck pumps Badu EcoM3V Installation, Operating And Service Manual

Blocked Impeller

WARNING: Before servicing the pump, switch off the circuit breakers at the power source. Severe
personal injury or death may occur if the pump starts while your hand is inside the pump.
1. Turn off the pump. Switch off the circuit breaker to the pump motor.
2. Remove the pump lid and strainer tank.
3. Look inside pump for debris. Remove any debris found inside.
4. Replace the strainer tank and lid.
5. Switch on the circuit breaker to the pump motor.
6. Turn on the pump, see if the problem is solved.
7. If the impeller is still blocked with debris and it is not possible to remove the debris using Steps 2 - 4,
the pump will need to be disassembled in order to access the inlet and outlet of the impeller.
Removal and Replacement of the Impeller and/or Mechanical Seal
WARNING: Before servicing the pump, switch off the circuit breakers at the power source. Severe
personal injury or death may occur if the pump starts while your hand is inside the pump.
1. Turn off the pump. Switch off the circuit breaker to the pump motor. If you are not replacing the motor,
do not disconnect the electrical wiring.
2. Turn off any valves to prevent pool water from reaching the pump. Drain water from the pump by
loosening the unions or removing the drain plugs.
3. Remove the eight screws connecting the pump casing to the flange.
4. Pull the motor, seal housing, flange out from the pump casing. Remove the pump casing o-ring. The
impeller is connected to the motor shaft.
5. Remove the diffuser by gently pulling the diffuser (the diffuser is the cover over the impeller) horizontally
until the pins clear the seal housing.
6. Place a flat head screwdriver through the center hole
of the fan cover and into the screwdriver slot on the
motor shaft.
Ceramic Ring
Rubber Collar
7. While holding the motor shaft, turn the impeller
Impeller
counter-clockwise.
Shaft
8. Gently pull the mechanical seal from the impeller shaft
noting the way it was originally installed.
Sealing
Spring
Surfaces
Assembly
CAUTION: Do not damage the ceramic or carbon
Figure 3
surfaces of the seal. If the surfaces is damaged,
leaks will occur.
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