IEMCA SIR52 MS52 P, Manual For Use And Maintenance

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5 - ADJUSTMENTS AND SETTING-UP SIR 52 MS52 P/F
EN
5 - Pag. 21 / 22
5.7 AIR FILTER - ADJUSTMENTS
PRESSURE SWITCH
• The air filter-regulator is equipped with a
control pressure switch, set to a pressure of
4.5 bar.
• To adjust the pressure switch proceed as
follows:
- remove the pressure gauge protecting
glass;
- turn the adjusting screw (G) anticlockwise
(+) to increase pressure or clockwise (-) to
lower it;
- after this operation, replace the pressure
gauge protecting glass.
CAUTION:
should the pressure switch needle point
a Pressure=0, do not absolutely turn
the adjusting screw (H) clockwise (-),
for this will cause pressure switch
breakage.