Samson 3321 - For Mounting on Rods (Form C)

EB 8111/8112 EN 41
Servicing
8 Threaded bushing
11 Spring
12 Washer
16 V-ring packing
96 Flange bonnet
8
16
12
11
96
15
Fig.11: Packing
7.2.2 For mounting on rods
(FormC)
1. Remove the actuator from the valve. See
associated actuator documentation.
2. Undo the body nuts (14) gradually in a
criss-cross pattern.
3. Lift the valve bonnet(2) and plug with
plug stem (5) off the body (1).
4. Unscrew the threaded bushing (8).
5. Pull the plug with plug stem (5) out of the
valve bonnet (2).
6. Pull all the packing parts out of the pack-
ing chamber using a suitable tool.
7. Renew the damaged parts and carefully
clean the packing chamber.
8. Apply a suitable lubricant to all the pack-
ing parts and to the plug stem (5).
9. Slide the plug with plug stem (5) into the
valve body (1).
10. Carefully place the valve bonnet (2) over
the plug stem onto the body.
11. 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.11).
12. Press the plug (5) rmly into the seat (4),
while fastening down the valve bonnet
(2) with the body nuts (14). Tighten the
nuts gradually in a criss-cross pattern.
Observe tightening torques.
13. Screw in the threaded bushing (8) and
tighten it. Observe tightening torques.
14. Mount actuator. See associated actuator
documentation.