Samson 3246 Mounting And Operating Instructions page 67

6. Carefully pull all the individual parts of
the circulation inhibitor out of the pack-
ing chamber using a suitable tool.
7. Renew the damaged parts and carefully
clean the packing chamber.
8. Carefully slide the individual parts of the
circulation inhibitor into the packing
chamber using a suitable tool. Observe
the proper sequence (see Fig. 9-1).
NOTICE
!
Damage to the packing by applying lubri-
cant.
Î Do not apply any lubricant to the pack-
ing rings of the circulation inhibitor.
9. Lightly screw in the threaded bushing
(87), but do not tighten it yet.
10. Slide the plug with plug stem (5) into the
insulating section (21) and screw it onto
the plug stem extension (25). Make sure
that the two washers (30) are still in the
plug stem extension. Renew the washers,
if necessary.
11. Tighten the threaded bushing (87). Ob-
serve tightening torques.
12. Tighten the grub screw (88) using a hex
socket screw.
13. Place the insulating section (21) together
with the intermediate piece (2), plug (5)
and plug stem extension (25) on the
body (1).
The following points must be observed:
Version with V-port plug: align the plug
(5), making sure that the largest
EB 8046 EN
V-shaped port of the V-port plug faces
toward the valve outlet.
Versions with perforated plug: align the
plug (5), making sure that the hole clos-
est to the seal facing of the plug faces to-
ward the valve outlet.
See relevant information under 'Mount-
ing the actuator onto the valve' in the 'In-
stallation' section.
14. Firmly press the plug (5) into the seat (4).
Fasten down the insulating section (21)
with the body nuts (14). Tighten the nuts
gradually in a crisscross pattern. Ob-
serve tightening torques.
b) Globe valve, Class 600 and
900/PN 100 and 160
NOTICE
!
Risk of control valve damage due to incor-
rect servicing.
Î The circulation inhibitor must only be
replaced in valves ≤NPS 4/≤DN 100.
Î To replace the circulation inhibitor in
other valve versions, contact our after-
sales service.
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Unscrew the castellated nut (92) and lift
the yoke (3) off the insulating section
(21).
3. Undo the body nuts (14) gradually in a
crisscross pattern.
Servicing
9-9