Festo MPA-L Series, Description

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4. Commissioning
4−10
Festo P.BE−MPAL−EN en 1008NH
Note
The detenting operation of the manual override is only
possible if a manual override cover cap is not fitted.
Detenting operation of the manual override (return: manual)
Operation Valve response
·
Use a screwdriver (max. blade
width 3mm) to press down the
plunger of the manual override
until the valve switches.
·
Then turn the plunger a quarter
turn in a clockwise direction.
The pilot valve switches and sets
the power valve to the switch posi
tion.
·
Put down the screwdriver. The valve maintains its switching
position.
·
Using the screwdriver rotate
the stem anti−clockwise a quarter
turn backwards.
·
Put down the screwdriver.
The spring force presses the stem of
the manual override back to the neu
tral position.
Pilot valve returns to the neutral posi
tion and so too does the monostable
power valve (not for bistable valves
codeJ).
Tab.4/4: Detenting operation of the manual override