Assembly instructions (en)
723 731 / 2007-12NH
†‡
Lever deactivating mechanism
DADP-TF-F3-…
Festo AG & Co. KG
Postfach
D-73726 Esslingen
++49/(0)711/347-0
www.festo.com
The lever deactivating mechanism 1 is intended for snapping the toggle
lever on stopper cylinder DFST-… tipped into place.
1. Parts list
11549d_1
1 Lever deactivating
mechanism (1x)
DADP-TF-F3-…
2 Spring washer (1x)
(A) with DFST-50
(B) with DFST-63/-80
Warning
Danger of fingers being squashed by the extending piston rod!
Before assembly or disassembly:
• Exhaust the device and the system.
During operation:
• Make sure that nobody can reach into the area of movement of the
piston rod of stopper cylinder DFST-… .
• Do not activate/deactivate the toggle lever by hand, use instead an
object (e.g. a screwdriver).
2. Assembly
2a. Assembly with the stopper cylinder DFST-50
11549d_2
• Remove the retaining ring (C)
from the stopper cylinder
with suitable pliers (D).
11549d_3
• Position the lever deactivat-
ing mechanism 1 with the
spring washer 2 and the re-
taining ring (C) as shown.
11549d_4
• Fasten the lever deactivating
mechanism 1 and the
spring washer 2 with the
retaining ring (C) on the
stopper cylinder with the
pliers (D).
2b. Assembly with the stopper cylinder DFST-63/-80
11549d_7
• Remove the retaining ring (C)
from the stopper cylinder
with suitable pliers (D).
11549d_8
• Position the lever deactivat-
ing mechanism 1 with the
spring washer 2 and the re-
taining ring (C) as shown.
11549d_9
• Fasten the lever deactivating
mechanism 1 and the
spring washer 2 with the
retaining ring (C) on the
stopper cylinder with the
pliers (D).
3. Activate / deactivate the toggle lever (E)
In order to deactivate the toggle lever:
11549d_10
• Use an object (e.g. a
screwdriver).
• Press the toggle lever (E)
down until it snaps into
place on the lever
deactivating mechanism 1.
In order to activate the toggle lever again:
• Use an object (e.g. a screwdriver).
• Press the toggle lever (E) down until it snaps into place on the lever
deactivating mechanism 1.
4. Set the lever deactivating mechanism 1 out of operation
With DFST-50
11549d_6
• Use an object (e.g. a
screwdriver).
• Turn the lever deactivating
mechanism 1 in a clockwise
direction until it
– snaps out of the fastening on
the DFST-50.
– snaps out of the first
fastening and into the
second on the DFST-63/80.
The toggle lever (E) can now no
longer snap into position and
therefore no longer be
unintentionally deactivated.
With DFST-63/80
11549d_11
B
C
D
C
C
D
C
D
E
C
D
C
E
E
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