Air Damper Adjustment - Riello P300 T/G Installation, Use And Maintenance Instructions

The air dampers adjustment shall be set each time in relation with the nozzles delivery and the combustion chamber
pressurization.
Fig. 2 shows the placement of the air dampers as fig. 3 their correspondent hydraulic jacks.
To open or close the air dampers proceed as follows:
Loose the ring nut (1), turn clockwise the hexagonal body (2) in
order to decrease the air flow, and counterclocwise to increase
it.
The right adjustment of the air dampers may be detect by checking the combustion results in the three stages of burner
operation.
To check the combustion during the different stages, the commutator (see page 11) should be set to the position cor-
responding to the burner stage to be controlled.
2915907

AIR DAMPER ADJUSTMENT

Fig. 2
st
1 stage air damper
nd
2 stage air damper
rd
3 stage air damper
10 GB
Fig. 3
rd
3 stage hyd. jack
nd
2 stage hyd. jack
st
1 stage hyd. jack