Samson 3271 - Page 53

EB 8026 EN 9-9
Servicing
5. Lift the ange (2) over the plug stem ex-
tension (25) off the insulating section
(21).
6. Remove the gasket (39). Carefully clean
the sealing faces in the insulating section
(21) and on the ange (2).
7. Unthread the plug stem extension (25)
from the plug stem (5). Make sure the
two retaining washers (30) between the
plug stem and plug stem extension are
not lost.
8. Lift the insulating section (21) over the
plug stem (5) off the body (1).
9. Remove the gasket (17). Carefully clean
the sealing faces in the valve body (1)
and on the insulating section (21).
10. Insert a new gasket (17) into the body.
11. Place the insulating section (21) over the
plug stem (5) onto the body (1).
12. Push the two retaining washers (30) onto
the plug stem (5).
13. Screw the plug stem extension (25) to the
plug stem (5), making sure that the two
retaining washers (30) are positioned
correctly. Observe tightening torques.
14. Place the ange (2) over the plug stem
extension (25) onto the insulating section
(21).
V-port plug: align the V-port plug, mak-
ing sure that the largest V-shaped port
faces toward the side valve outlet (AB).
See information under 'Mounting the ac-
tuator onto the valve' in the 'Installation'
section.
15. Firmly press the plug (5) into the bottom
seat (141).
Fasten down the insulating section (21)
with the body nuts (14). Tighten the nuts
gradually in a crisscross pattern. Ob-
serve tightening torques.
16. Tighten the threaded bushing (8). Ob-
serve tightening torques.
17. Loosely thread the lock nut (10) and stem
connector nut (9) onto the plug stem ex-
tension (25).
Valves with bellows seal for diverting
valves ≤DN25 and mixing valves
4. Unscrew the stem connector nut (9) and
lock nut (10) from the plug stem with bel-
lows (37).
5. Lift the ange (2) over the plug stem with
bellows (37) off the bellows seal (22).
6. Remove the gasket (39). Carefully clean
the sealing faces in the bellows seal (22)
and on the ange (2).
7. Unscrew the bellows nut (41).
8. Unthread the plug stem with bellows (37)
from the plug stem (5). Make sure the
two retaining washers (30) between the
plug stem and plug stem with bellows
are not lost.
9. Lift the bellows seal (22) over the plug
stem (5) off the body (1).
10. Remove the gasket (17). Carefully clean
the sealing faces in the valve body (1)
and on the bellows seal (22).
11. Insert a new gasket (17) into the body.
12. Place the bellows seal (22) over the plug
stem (5) onto the body (1).