Festo VIFB-02 Series Manual page 52

VIFB8 – 02
Operating the manual override
Fig. 4/10: Manual override with stop
9706
4. Installation
•
Manual override with stop:
Insert screwdriver
in groove of
plunger.
Press plunger as far
as it will go
and turn it
to the right.
Remove screwdriver
Insert screwdriver in
the groove of the
plunger.
Press and turn
plunger to the left
and remove the
screwdriver.
3. Switch off the compressed air supply when
the valves have been tested.
Reaction of valve
or of processor
The valve or
processor
• switches
• remains switched
• returns to basic
setting
4-17