Samson 3321CT, Mounting And Operating Instructions

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9-8 EB 8115 EN
Servicing
13. Insert the packing parts into the packing
chamber. Make sure to observe the prop-
er order (see Fig. 9-3 or Fig. 9-5).
14. Place the retaining ring (12) on the pack-
ing parts.
15. Use a suitable tool to press the packing
together until the retaining ring (12) is
seated in the groove of the valve bonnet
(7).
16. Place the retaining washer (11) from
above onto the new plug stem (3). Ob-
serve the proper alignment (see
Fig. 9-4).
17. Carefully slide the new plug stem with
plug (3) into the valve bonnet (7).
18. Apply a suitable thread-locking fluid to
the female thread of the actuator stem.
19. Screw the plug stem (3) into the actuator
stem. Observe tightening torques.
20. Apply a suitable lubricant to the thread
of the valve bonnet (7).
21. Screw the valve bonnet (7) into the actu-
ator base until it reaches the metal stop.
Observe tightening torques.
22. Carefully place the actuator, valve bon-
net (7), flange (14) and plug with plug
stem (3) onto the body (1).
Make sure that the marking on the valve
bonnet are aligned with the front of the
valve (see Fig. 9-2).
Make sure that the gasket (13) is proper-
ly seated in the body.
23. Apply a suitable lubricant to the screws
(10).
24. Firmly press the plug (3) into the seat (2),
while fastening down the valve bonnet
(7) with the screws (10). Gradually tight-
en the screws in a crisscross pattern. Ob-
serve tightening torques.
25. For further instructions concerning
Type 3379 Actuator (pneumatic connec-
tions, alignment of the actuator etc.)
u EB 8315.