6
x
Oil burner
45
FA ROTEX A1 BO - 10/2007
Setting the oil nozzle – air nozzle distance
Tools required
: Feeler gauge "Blue Flame Meter" (fixed on the holder for the service position); Allen key SW 4 mm;
• Put burner in service position (see chapter 6.4).
• Check distance with the feeler gauge "Blue Flame Meter". For setting values refer to tab. 6-1.
• To adjust, loosen the fixing screw and push the mixing device on the nozzle rod (also refer to fig 8-18 on page 59).
6.4
Removing/Installing 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 position
.
It may be necessary to
remove
the burner for maintenance and cleaning jobs or if there is damage in the combustion chamber
area.
Move the burner to service position
1.
Switch off main heater switch.
2.
Take off the sound insulation hood and boiler panels, remove upper heat insulation layers.
3.
Pull off the air supply hose from the burner and rotate sideways.
4.
Loosen the service screw (fig 6-10, pos. 1).
CAUTION!
Wrong distance setting can cause unclean burning, bad starting behaviour and increased burner wear.
• Use the correct side of the feeler gauge.
WARNING!
Live parts can cause an electric shock on contact and cause fatal burns and injuries.
• Switch off the heating main switch before removing the burner and secure it from being unintentionally
switched on.
WARNING!
Danger of burning – hot surfaces.
• Let the burner cool down sufficiently before removing it.
• Wear protective gloves.
Fig. 6-9
Burner in operating position
Fig. 6-10 Loosen service screw on the burner
1
Service screw
2
Bayonet lock
