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PUMP PRESSURE AND AIR OUTPUT (Fig. 6)
The burner is provided with an hydraulic device controlled by the economizer which reduces to approx. 70%
the max. output of gas oil and air.
6
7
2
3
9
st
1
STAGE ADJUSTMENT (with selector on Pos. 1)
Adjustment of air shutter:
Unloosen the nut (9) turn the screw (10) until the air shutter (1) reaches the position desired.
Then lock the nut (9).
Pressure regulation:
this is set at 10 bar at the factory.
Should such pressure be reset or changed, just turn the screw (4).
The pressure gauge must be mounted in place of cap (5).
nd
2
STAGE ADJUSTMENT (with selector on Pos. 2)
Adjustment of air shutter:
Unloosen the nut (2) turn the screw (3) until the air shutter (1) reaches the position desired.
Then lock the nut (2).
rd
3
STAGE ADJUSTMENT (with selector on Pos. 3)
Adjustment of air shutter:
Unloosen the nut (6) turn the screw (7) until the air shutter (1) reaches the position desired.
Then lock the nut (6).
Pressure regulation (2° - 3° stadio):
this is set at 15 bar at the factory.
Should such pressure be reset or changed, just turn the screw (8).
The pressure gauge must be mounted in place of cap (5).
20013744
1
10
D8384
5
4
8
GB
Fig. 6
8
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