EB 8026 EN 9-13
Servicing
8. Carefully place the ange (2) over the
plug stem extension (25) onto the insulat-
ing 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.
9. Carefully slide the packing parts over the
plug stem extension into the packing
chamber using a suitable tool. Observe
the proper sequence (see Fig.9-3).
10. Fasten the ange with nuts (33) and bolts
(32). Observe tightening torques.
11. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
12. Loosely screw the lock nut (10) and stem
connector nut (9) onto the plug stem.
ADSEAL packing
1. Proceed as described in „Standard pack-
ing (PTFE)“, steps1 to 8.
2. Slide the parts of the packing over the
plug stem extension in the specied or-
der:
− Spring (11)
− Washer (12)
− Packing rings (16)
3. Slide the seals (15.2) over the plug stem
extension.
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 extension.
4. Insert the red spacer ring (15.1) between
the threaded bushing (8) and retaining
ring. See Fig.9-3.
5. Proceed as described in „Standard pack-
ing (PTFE)“, steps10 to 12.
9.4.3 Replacing the seat and
plug
Risk of control valve damage due to incor-
rect servicing.
Î To replace seat and plug in the three-way
valve, contact our after-sales service.
NOTICE
!