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26.6 To Remove Flow Switch and Air Purge Valve
3. Remove 2 retaining rings,
then remove the Flow Sensor.
Air Purge Valve
2. Detach the flow sensor lead wire.
1. Turn the Air Purge Valve
anti-clockwise then remove.
When reinstall Flow Switch, ensure the arrow on the flow switch is parallel with the pipe shaft and is facing in
the direction of flow.
During reinstall Air Purge Valve.
Make sure plug is fully close
in clockwise direction.
Packing
Apply some water based grease
on packing surface before fix
with shut off valve.
26.7 To Remove Water Pump
2. Disconnect 2 pipe connection.
1. Disconnect CN-PUMP1
from electronic
controller.
