Attachment To Type 3510 Micro-Flow Valve; Attachment To Rotary Actuators - Samson 3730-4 Mounting And Operating Instructions

Mounting and start-up
5.7 Attachment to Type 3510
Micro-flow Valve
Î Refer to Fig. 19
Î Required mounting parts and accesso-
ries: Table 4 on page 23.
Î Observe travel tables on page 26.
The positioner is attached to the valve yoke
using a bracket.
1. Fasten the bracket (9.1) to the stem con-
nector.
2. Screw the two bolts (9.2) to the bracket
(9.1) of the stem connector (9), place the
follower plate (3) on top and use the
screws (9.3) for fastening.
3. Mount the travel indication scale (acces-
sories) to the outer side of the yoke using
the hex screws (12.1), ensuring that the
scale is aligned with the stem connector.
4. Fasten the hex bar (11) onto the outer
side of yoke by screwing the M8 screws
(11.1) directly into the holes on the yoke.
5. Fasten the bracket (10) to the hex bar us-
ing the hex screw (10.1), washer and
tooth lock washer.
6. Mount connecting plate (6) or pressure
gauge bracket (7) with pressure gauges
on the positioner, making sure the two
seals are seated properly.
7. Unscrew the standard M lever (1) includ-
ing follower pin (2) from the positioner
shaft.
8. Take the S lever (1) and screw the follow-
er pin (2) in the hole for pin position 17.
62
9. Place the S lever on the positioner shaft
and screw tight using the disk spring
(1.2) and nut (1.1).
Move lever once all the way as far as it
will go in both directions.
10. Place positioner on the bracket (10) in
such a manner that the follower pin
slides into the groove of the follower pin
(3). Adjust the lever (1) correspondingly.
Screw the positioner to the bracket (10)
using both its screws.
5.8 Attachment to rotary actu-
ators
Î Refer to Fig. 21
Î Required mounting parts and accesso-
ries: Table 7 on page 24.
Î Observe travel tables on page 26.
The positioner is mounted to the rotary actu-
ator using two pairs of brackets.
Prior to attaching the positioner to the
SAMSON Type 3278 Rotary Actuator,
mount the associated adapter (5) to the free
end of the rotary actuator shaft.
Note
On attaching the positioner as described be-
low, it is imperative that the actuator's direc-
tion of rotation is observed.
1. Place follower clamp (3) on the slotted
actuator shaft or adapter (5).
EB 8384-4 EN