Schunk Bahn- und Industrietechnik GmbH
Adjustment Procedures
Adjustment of Blow-Off Valve
The pressure limiting valve (PLV1 Chapter #Appendix A) is properly adjusted by
the manufacturer. The blow-off valve must be adjusted if there is a change of
operating pressure or if the blow-off valve has been replaced.
Procedure:
1. Loosen check nut (2).
Adjust exhaust pressure 0,4 bar higher than the operating pressure of the
pressure regulation valve stage 2.
2. Adjustment is done by turning the adjustment screw (3).
Exhaust pressure INCREASES
Turning COUNTER-CLOCKWISE
Exhaust pressure DECREASES
3. Fix check nut.
Illustration 42: Adjustment of blow off valve
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