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7. Pump Assembly – Removal and Installation
The following procedure can be applied for replacing the pump assembly.
Warning! Before proceeding turn off the electrical and water supplies. The electricity
supply must be turned off at the mains and, if applicable, the appropriate circuit fuse
removed. Mains electrical connections are exposed when the cover is removed.
Caution! Disconnect wiring by pulling on the body of spade connector only and not the
wire itself.
7.1.
Remove the front cover as detailed
in "Front Cover – Removal and
Installation".
7.2.
Unscrew the screw securing the
solenoid valve clamp bracket with a
T10 Torx screwdriver and remove
the bracket.
7.3.
Make a note of the wiring layout and
connections to the motor pump
assembly.
7.4.
Release the bottom securing clip on
the transfer tube and lift the motor
pump assembly and the mounting
block clear of the case.
Note! Lift up the front of the mounting
block and tilt the motor forward to
help remove the motor pump
assembly.
7.5.
Disconnect the wiring connections
to the motor.
Caution! Ensure that the green earth
wire is connected to the motor when
refitting the wiring connections.
Caution! Ensure the 'O' seal is fitted
to the outlet of the motor pump
assembly.
7.6.
Refit the components in reverse order.
Ensure that the electrical wires are
installed as in the original layout.
7.7.
Commission the Mira Extreme, refer
to "Commissioning: General
Commissioning".
36
Mounting
Block
Transfer
Tube
Ensure the green
earth wire is
connected to the
motor.
Motor Pump
Outlet 'O' Seal
Clamp
Bracket
Motor Pump
Assembly
Transfer Tube
Securing Clips
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