4 Commissioning
90 Festo – P.BE-MPA-EN – 1309f – English
The detenting actuation of the manual override is only possible if a manual override cap is
not fitted.
Detenting ac t uation of the manual override (manual reset)
Operation Valve response
• Use a screwdriver ( max. blade
width 3 mm) to press down the
plunger of the manual override
until the valve switches.
• Then turn the plunger in a
clockwise direction one fourth of
aturn.
The pilot valve switches and controls
the power valve in the activated posi-
tion.
• Remove t he sc rewdriver. The valve maintains the switching po-
sition.
• With the screwdriver, turn the
plunger one fourth of a turn
anti-clockwise.
• Remove t he sc rewdriver.
The spring force presses the plunger
of the manual override into the initial
position.
The pilot valve returns to its neutral
position and thus also the power
valve (not for impulse valve, ident.
code J).
Tab. 4.5 Turning with detent actuation of the manual override
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