Samson 3256, Монтаж и эксплуатация

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9-8 EB 8065 EN
Servicing
Î
To replace the packing in other valve ver-
sions, contact our after-sales service.
a) Standard version
Standard packing (PTFE)
1. Unscrew the castellated nut (92) and lift
the yoke (3) off the bonnet (2).
2. Undo the body nuts (14) gradually in a
crisscross pattern.
3. Lift the bonnet (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
bonnet (2).
7. Pull the entire packing out of the packing
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
bonnet (2).
11. Place the bonnet (2) together with the
plug stem and plug (5) onto the body.
Version with V-port plug: place the bon-
net (2) onto the valve body, making sure
that the largest V-shaped port of the
V-port plug faces toward the valve outlet.
See 'Mounting the actuator onto the
valve' in the 'Installation' section.
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3
Fig. 9-2: Type 3256 with insulating section