Festo VTSA-FB - Page 78

3. Installation
3−20
Festo P.BE−VTSA−44−EN en 0509NH
3.3.7 Setting the pressure regulator
Proceed as follows:
1. Pull the adjusting knob 1 as far as possible out of the
locking level 4 into the setting level 2 (see Fig.3/4).
2. Set the desired regulating variable at this level by turning
the adjusting knob (see diagram in appen di x A, Fi g.A/3).
3. Press the adjusting knob into the free− running level
3. In
this position you can turn the setting wheel without mod
ifying the regulating variable. Turn the adjusting knob at
right angles to the pressure regulatig plate.
4. Press the adjusting knob in this position into the snap−in
locking of the locking level 4.
1
2
3
4
1 Adjusting knob
2 Setting level (adjusting knob pulled
out up to stop)
3 Locking level (adjusting knob pressed
down to stop)
4 Free−running level
Fig.3/4: Setting levels of the pressure regulator plates