EB 8484-1 EN
5-7
Installation
5.6
Positioner attachment
5.6.1
Direct attachment
We recommend using a volume restriction
for a transit time <1 s (see section 5.5).
a) Type 3277-5 Actuator
Î
Actuator with 120 cm² (see Fig. 5-8)
Î
Required mounting parts and accesso
-
ries: Table 5-5 on page 5-40.
Î
Observe travel tables on page 5-4.
Î
Depending on the fail-safe action of the
actuator "actuator stem extends" or "ac-
tuator stem retracts", mount the switcho-
ver plate (9) on the actuator yoke. Align
the symbol for attachment to the left or
right side with the marking (see Fig. 5-8,
top).
1. Mount connecting plate (6) or pressure
gauge bracket (7) with pressure gauges
on the positioner. Make sure that the two
seals (6.1) are seated properly.
2.
Remove screw plug (4) on the back of
the positioner and seal the signal pres-
sure output (38) on the connecting plate
(6) or on the pressure gauge bracket (7)
with the stopper (5) included in the ac-
cessories.
3. Place follower clamp (3) on the actuator
stem, align it and screw tight so that the
9 11
Supply 9
Output 38
5
6
4
7
6
10
10.1
3
2
1
15
6.1
1.1
1.2
14
8
Symbols
Actuator stem
extends
Actuator stem
retracts
Left attachment
Right attachment
Switchover plate (9)
Marking
Signal pressure
input for left
attachment
Signal pressure
input for right
attachment
Cut-out of
cover plate
1
Lever
1.1 Nut
1.2 Disk spring
2
Follower pin
3
Follower clamp
4
Screw plug
5
Stopper
6
Connecting plate
6.1 Seals
7
Pressure gauge bracket
8
Pressure gauge
mounting kit
9
Switchover plate
(actuator)
10
Cover plate
10.1 Seal
11
Cover
14
Gasket
15
Molded seal
Fig. 5-8:
Direct attachment – Signal pressure connection for Type 3277-5 Actuator with 120 cm²
Note
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