Festo IIFB9-02 Series, Manual

Page: 50 / 165

Testing
1. Switch on the compressed air supply.
2. Check the function and effectiveness of each
individual valve as follows. If the valve does
not function correctly see Fig. 4/11.
• Manual override with automatic reset
Operating the manual override Reaction of valve
or of processor
Press the plunger
of manual override
as far as it will go.
The valve or
the processor
●
switches
Hold the plunger of
manual override
pressed down.
●
remains switched
Remove the
screwdriver.
A spring returns the
plunger of manual
override to start
position.
●
returns to basic
setting
Fig. 4/9: Manual override with automatic reset
VIFB9 - 02 4. Installation
9609
4-13