Testing - Festo VIFB-02- Series Manual

VIFB1 – 02
Operating the manual override
Fig. 4/9: Manual override with automatic reset
> IFB1-02_BES_V_018474g1_1996-04N - Restored Document - 2011-12-15 <
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4. Installation

Testing

1. Switch on the compressed air supply.
2. Check the function and effect of each indivi-
dual valve as follows. If the valve does not
function correctly see Fig. 4/11.
• Manual override with automatic reset:
Press the plunger
of manual override
as far as it will go.
Hold plunger of
manual override
pressed down.
Remove the
screwdriver.
A spring returns the
plunger of manual
override to start
position.
Reaction of valve
or of processor
The valve or
the processor
• switches
• remains switched
• returns to basic
setting
4-15