Samson 3730 Series Mounting And Operating Instructions page 52

Installation
a) Version for single-acting
actuator
Mounting onto a PFEIFFER Type 31a
(edition 2020+) SRP Rotary Actuator
Î See Fig. 5-13
1. Fasten the adapter block (1) to the actua-
tor's NAMUR interface using the four
fastening screws (2).
Î Make sure that the seals are correctly
seated.
2. Mount the follower wheel (3) onto the ac-
tuator shaft. Use the matching shaft
adapter (see Table 5-9).
3. Place the adapter bracket (4) onto the
adapter block (1) and fasten it using the
fastening screws (5).
Î Make sure that the seals are correctly
seated.
4. Insert and fasten the follower pin in the
90° position on the positioner's lever (see
Fig. 5-12).
Î Only use the longer follower pin in-
cluded in the mounting kit.
5. Align the positioner on the adapter
bracket (1) in such a way that the follow-
er pin engages into the actuator's follow-
er wheel (3).
6. Fasten the positioner onto the adapter
bracket (4) using the fastening screws
(6).
Î Make sure that the seals are correctly
seated.
5-18
1
Fig. 5-11: Adapter block for attachment accord-
ing to VDI/VDE 3847-2
Fig. 5-12: Follower pin in 90° position
1 2
1 Retaining
screw
2 Air blocker
2
EB 8384-4 EN