48
EVOMAX
-
Installation & Servicing
SERVICInG
65 VEntuRI REPLACEmEnt
SER
VICI
n
G
1.
Refer to Frame 55.
2.
Remove the front panel (Refer to frame 57)
3.
Remove the fan and gas assembly (Refer to frame 58)
4.
Remove venturi from fan / mixture chamber and gas valve (Refer to
frame 63/64)
5.
Replace with new venturi ensuring the gas orifice is fitted and seal is
replaced.
6.
Reassemble in reverse order replacing all gaskets.
7.
Check the operation of the boiler (Refer to frame 55)
66 IGnItIon ELECtRoDE REPLACEmEnt
1.
Refer to Frame 55.
2.
Remove the front panel (Refer to frame 57)
3.
Pull off the spark lead and earth connection.
4.
Remove the two retaining cap head screws.
5.
Pull out the electrode and pull off the old gasket.
6.
Replace with new electrode and gasket supplied
checking the spark gap is 4mm.
7.
Reassemble in reverse order.
8.
Check the operation of the boiler (Refer to frame 55)
1.
Refer to Frame 55.
2.
Remove the front panel (Refer to frame 57)
3.
Pull off the HT lead and earth connection.
4.
Remove the two retaining cap head screws.
5.
Pull out the electrode and pull off the old gasket.
6.
Replace with new electrode and gasket.
7.
Reassemble in reverse order.
7.
Check the operation of the boiler (Refer to frame 55)
67 DEtECtIon ELECtRoDE REPLACEmEnt
6
3
4
4
3
4mm
206210-3.indd 48
09/06/2011 13:34:56