8 Inspection and maintenance
14
Installation and maintenance instructions atmoMAG 0020273765_00
B
A
C
5.
Unscrew the union nuts from the water valve. Remove
the clip from the cold water connection on the burner.
6.
Remove the pipe from the water valve and pull it out of
the cold water connection on the burner.
C
B
A
7.
Pull out the ignition electrode and the monitoring elec-
trode that are connected to the electronics box.
8.
Remove the two screws from the injector rail.
9.
Remove the two screws from the gas valve assembly.
10. Remove the gas valve assembly together with the wa-
ter valve.
B
C
A
11. Unscrew the union nuts from the water connection for
the heat exchanger on the burner.
12. Remove four screws.
13. Raise the burner slightly and carefully pull the burner
forwards and out.
8.4
Cleaning the burner
1.
Use a brass wire-brush to carefully remove combustion
residues from the burner without damaging the burner.
2.
Clean the jets, injectors and burner rails with a soft
brush and blow out any dust or dirt outside the install-
ation room from the outside to the inside using com-
pressed air.
3.
If the burner is extremely dirty, clean it with soapy water
and rinse it thoroughly with clean water.
8.5
Cleaning the injector rail
1.
Check the components of the injector rail for dirt and
damage. You must never remove the burner jets.
