Motor Replacement; Performance Curves - MYERS SSM33 Serie Manual De Instalación Y Servicio

(9) Place the pump motor assembly upright and set it
into the volute case. Replace the four cap screws and
tighten.
(10) Replace oil in the motor housing using only Myers
submersible transformer oil. The level should be 3/4"
below the top of the motor housing. Check with dip stick
to assure that the pump is properly filled.
(11) Plug pump into grounded receptacle to test operation.
POWER CORD REPLACEMENT
(1) Loosen the plastic compression nut that retains the
power cord. Slide nut out of the motor housing.
(2) Pull the power cord from the motor housing by hand.
The cord may need to be wiggled back and forth
several times to loosen from the housing. Pull the power
cord out until the connecting wires are fully exposed.
Disconnect the motor power and ground leads with a
pair of pliers.
(3) Reconnect the motor power leads and ground to the
new power cord. The ground terminal on the power cord
has a male connector, and the power terminals on the
new power cord are female.
(4) Carefully push the connected wires into the motor
housing until the molded body of the power cord seats.
Make sure that the wires stay away from the rotor and
shaft. Slide the nut into place and hand tighten. Tighten
the nut with 13/16" wrench until snug, but do not over
tighten.
(5) Plug pump into grounded receptacle to test operation.
Pump must run quiet, free of vibration, without tripping
out breaker.

MOTOR REPLACEMENT

(1) Disconnect the power cord and drain the oil as noted in
the previous sections. If the oil shows signs of water or
other contamination, it may be necessary to replace the
seal assembly as noted in a previous section.
(2) Loosen and remove the three cap screws retaining the
motor housing. Lift the motor housing off of the pump
assembly.
(3) Remove the O-ring from the remaining pump assembly.
(4) Position new motor housing (with new stator), onto the
(5) Reinstall the power cord as noted in the previous
(6) Replace oil in the motor housing using only Myers
(7) Plug pump into grounded receptacle to test operation.

PERFORMANCE CURVES

10
Clean surface area and place new o-ring into position.
Be careful not to cut o-ring when installing.
pump assembly. Align the screw bosses, and insert the
three cap screws. Evenly tighten the cap screws.
section.
submersible transformer oil. The level should be 3/4"
below the top of the motor housing. Check with dip stick
to assure that the pump is properly filled.
Pump must run quiet, free of vibration, without tripping
out breaker.