Samson 3244, Operating Instructions Manual

Page: 36 / 52

36 EB 8026 EN
Servicing
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. Unthread the stem connector nut (9) and
lock nut (10) from the plug stem.
5. Unscrew the threaded bushing (8).
6. Pull the plug with plug stem (5) out of the
flange (2).
7. Pull all the packing parts out of the pack-
ing chamber using a suitable tool.
8. Renew damaged parts. Clean the pack-
ing chamber thoroughly.
9. Apply a suitable lubricant to all the pack-
ing parts and to the plug stem (5).
10. Slide the plug with plug stem (5) into the
valve body (1).
11. Place the flange (2) onto the body.
Mixing valve with V-port plug: place the
flange (2) onto the body, making sure
that the largest V-shaped port of the
V-port plug faces toward the valve outlet
(
AB ) at the side. See section 5.1.
12. 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. 8).
13. Diverting valve: firmly press the plug (5)
into the top seat (4).
Mixing valve: firmly press the plug (5)
into the bottom seat (141).
Fasten down the flange (2) with the body
nuts (14). Tighten the nuts gradually in a
criss-cross pattern. Observe tightening
torques.
14. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
15. Loosely screw the lock nut (10) and stem
connector nut (9) onto the plug stem.
16. Mount actuator. See associated actuator
documentation.
17. Adjust lower or upper signal bench
range. See associated actuator docu-
mentation.
ADSEAL packing
1. Proceed as described in Standard pack-
ing (PTFE), steps 1 to 11.
2. Slide the parts of the packing over the
plug stem in the specified order:
−
Spring (11)
−
Washer (12)
−
Packing rings (16)
3. Slide the seals (15.2) over the plug stem.
Insert the wire of the red spacer ring
(15.1) into the groove of the retaining
ring.
Slide the retaining ring over the plug
stem.
4. Insert the red spacer ring (15.1) between
the threaded bushing (8) and retaining
ring. See Fig. 8.
5. Proceed as described in Standard pack-
ing (PTFE), steps 13 to 17.
7.2.2 Version with insulating
section
Standard packing (PTFE)
1. Remove the actuator from the valve. See
associated actuator documentation.