Festo DFST Serie Instrucciones De Utilizacion página 22

DFST
Start a test run as follows:
S
DFST is inserted
double−acting
Pressurise stroke air
connection 1
Approach DFST with medium stream
Pressurise stroke air connection 2
Pressurise stroke air
connection 1
Fig. 20
To unlock the toggle lever locking mechanism at DFST−...−L (è Accessory):
Pressurise stroke air connection 2.
S
When the piston rod is retracted, the
toggle lever locking mechanism pushes
the top side of the flange (and/or the
screw head on DFST−63/80) and releases
the toggle lever.
To set the shock absorber:
Slacken the counterscrew (A)
S
(with counternut on DFST−50).
Turn the knurled nut 7 until the required
S
cushioning has been reached.
If the setting is correct, the medium
stream will gradually push through and
come to a standstill.
22
single−acting
Pressurise stroke air
connection 2
Pressurise stroke air
connection 2
Reaction
The piston rod extends.
The approaching medium stream is slowed and
pushes the toggle lever into its rear end position
(toggle lever engages at DFST−...−L).
The piston rod retracts. The toggle lever locking
mechanism is unlocked (at DFST−...−L). The
medium stream is transported onwards.
The piston rod extends. The DFST can slow the
next medium stream.
Fig. 21
DFST−50
(A)
Fig. 22
DFST−63/80
7 7
(A)
Festo DFST 0710NH