39
REPLACEMENT OF PARTS
IMAX XTRA EL
-
Installation & Servicing
44 WATER PRESSURE SWITCH REPLACEMENT
1. Refer to Frames 34 & 36.
2. Ensure the boiler is drained down.
3. Disconnect the two wires.
4. Using a suitable size spanner on the
hexagon undo the water pressure switch
and remove.
5.
Refit in reverse order using a suitable
sealing medium.
6.
Refit and vent check the water pressure
switch connection for leaks.
7. Minimum system pressure is 1.0bar.
1.5bar is the recommended fill pressure.
45 THERMISTOR (X3) REPLACEMENT
1. Refer to Frames 34 & 36.
2. Disconnect the 2 wires from each
thermistor
.
3. Using a suitable sized spanner on the
hexagon undo the thermistor and remove.
4.
Refit in reverse order using a suitable
sealing medium.
5.
Refit and vent check the thermistor for
leaks.
6. Minimum system pressure is 1.0bar.
1.5bar is the recommended fill pressure.
1. Refer to Frames 34 & 36.
2. Disconnect the spark generator lead
from the ignition probe.
3. Disconnect the electrical supply plug.
4. Remove the two securing screws and
remove the spark generator.
5.
Refit in reverse order ensuring the
earth lead is correctly secured.
46 SPARK GENERATOR REPLACEMENT
2
2
3
4
4
3
4
REPLACEMENT OF P
ARTS
