Cleaning The Burner; Checking The Impeller Fixings; Checking The Flame Tube Fixings - Viessmann Vitoflame 300 VHG III Service Instructions Manual

Commissioning, inspection, maintenance

Cleaning the burner

For cleaning the combustion chamber and flues,
see boiler service instructions.
Fig. 8
1. Set the burner into its maintenance position. To do
this, remove nozzle cover
and slot it onto the burner casing with the blast
tube connection pointing upwards or to the side.
2. Clean flame tube, sensor plate
des B and flame monitor

Checking the impeller fixings

Checking the flame tube fixings

10
D with mixing device
, ignition electro-
A
C .
A
B
F
C
D
E
3. In the case of severely deviating burner pressure:
Remove burner cover
impeller; for this, first remove hood adaptor
E and clean casing with
.
F