Samson 3241, Монтаж и эксплуатация

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EB 8012 EN 45
Maintenance
Tip:
When replacing the seat and plug,
we also recommend replacing the
packing. See section 7.2.
7.3.1 Standard version
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Undo the body nuts (14) gradually in a
criss-cross pattern.
3. Lift the flange (2) and plug with plug
stem (5) off the body (1).
4. Replace gasket as described in sec-
tion 7.1.1.
5. Unthread the stem connector nut (9) and
lock nut (10) from the plug stem.
6. Unscrew the threaded bushing (8).
7. Pull the plug with plug stem (5) out of the
flange (2).
8. Pull all the packing parts out of the pack-
ing chamber using a suitable tool.
9. Unscrew the seat (4) using a suitable
tool.
10. Apply a suitable lubricant to the thread
and the sealing cone of the new seat.
11. Screw in the seat (4). Observe tightening
torques.
12. Apply a suitable lubricant to all the pack-
ing parts and to the new plug stem (5).
We recommend replacing the packing as
well. See section 7.2.1.
13. Slide the new plug with plug stem (5) in-
to the valve body (1).
14. Place the flange (2) onto the body.
Version with V-port plug: place the
flange (2) onto the valve body, making
sure that the largest V-shaped port of the
V-port plug faces toward the valve outlet.
See section 5.1.
15. Carefully slide the packing parts over the
plug stem into the packing chamber us-
ing a suitable tool. Make sure to observe
the proper sequence (see Fig. 9).
16. Press the plug (5) firmly into the seat (4),
while fastening down the flange (2) with
the body nuts (14). Tighten the nuts
gradually in a criss-cross pattern. Ob-
serve tightening torques.
17. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
18. Loosely screw the lock nut (10) and stem
connector nut (9) onto the plug stem.
19. Mount actuator. See associated actuator
documentation.
20. Adjust lower or upper signal bench
range. See associated actuator docu-
mentation.