Samson 3254, Mounting And Operating Instructions

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9-16 EB 8060 EN
Servicing
12. Screw in the seat (4). Observe tightening
torques.
13. 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 9.4.3.
14. Slide the new plug with plug stem (5) in-
to the insulating section (21).
15. Place the insulating section (21) together
with the plug stem and plug (5) onto the
body (1).
Version with V-port plug: place the insu-
lating section (21) onto the valve body,
making sure that the largest V-shaped
port of the V-port plug faces towards the
valve outlet.
Version with perforated plug: place the
insulating section (21) onto the insulating
section, making sure that the hole of the
plug that releases the flow first faces to-
ward the valve outlet.
See relevant information under 'Mount-
ing the actuator onto the valve' in the 'In-
stallation' section.
16. Carefully slide the packing parts over the
plug stem extension into the packing
chamber using a suitable tool. Observe
the proper sequence (see Fig. 9-2).
17. Firmly press the plug (5) into the seat (4).
Fasten down the insulating section (21)
with the top body nuts (14). Tighten the
nuts gradually in a crisscross pattern.
Observe tightening torques.
18. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
19. Place yoke (3) onto the insulating section
(21) and fasten using the castellated nut
(92).
20. Loosely screw the lock nut (10) and stem
connector nut (9) onto the plug stem.
9.5 Ordering spare parts and
operating supplies
Contact your nearest SAMSON subsidiary
or SAMSON's After-sales Service for infor-
mation on spare parts, lubricants and tools.
Spare parts
See Annex for details on spare parts.
Lubricant
See document
u
AB 0100 for details on
suitable lubricants.
Tools
See document
u
AB 0100 for details on
suitable tools.