7
x
Oil burner
FA ROTEX A1 BOe - 02/2014
35
7.4 Removing/fitting the burner
The burner is normally in operating position. In order to carry out
work on the nozzle rod (e.g. changing nozzle or electrodes) or
within the flame tube, the burner is moved to the
service po-
sition
.
It may be necessary to
remove
the burner for maintenance and
cleaning jobs or if there is damage in the combustion chamber
area.
7.4.1 Move the burner to service position
1.
Switch off main heater switch.
2.
Remove the noise damping hood and boiler cladding (see
section 9.2.1).
3.
Pull off the air intake hose (fig. 7-9, pos. 1) from the burner
and turn to the side.
4.
Pull off the plugs X1, X4 and X5 from the automatic firing
(fig. 7-10).
5.
Loosen the service screw (fig. 7-10, pos. 1).
6.
Rotate burner counter-clockwise out of the bayonet lock and
lift out upwards.
WARNING!
Live parts can cause an electric shock on contact and
cause fatal burns or injuries.
Ɣ
Switch off the heating main switch before removing
the burner and secure it from being unintentionally
switched on.
WARNING!
Danger of burning on hot surfaces.
Ɣ
Let the burner cool down sufficiently before
removing it.
Ɣ
Wear protective gloves.
1
Air supply hose
2
Automatic firing
Fig. 7-9
Burner in operating position
The positioning switch (fig. 7-10, pos. 2) serves for
correct positioning and for the secure seating of the
burner on the burner flange. It must not be released for
removal.
1
Service screw
2
Positioning screw
X1
Mains connection plug
X4
Plug flow and return tempera-
ture sensor
X5
Communication plug
Fig. 7-10 Remove the plug from the automatic firing and release the ser-
vice screw on the burner
Fig. 7-11 Pull off burner