Samson EB 8111 EN, Монтаж и эксплуатация

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EB 8111/8112 EN 9-9
Servicing
8 Threaded bushing
11 Spring
12 Washer
16 V-ring packing
96 Flange bonnet
8
16
12
11
96
15
Fig. 9-3: Packing
9.4.3 Replacing the seat and
plug
Risk of damage to the facing of the seat
and plug due to incorrect service or repair.
Î
Always replace both the seat and plug.
When replacing the seat and plug, we also
recommend replacing the gasket and pack-
ing. See sections 9.4.1 and 9.4.2.
a) For mounting using cross-
beam and central nut
(form B)
1. Undo the body nuts (14) gradually in a
crisscross pattern.
2. Lift the flange (97), flange bonnet (96)
and plug with plug stem (5) off the body
(1).
3. Unscrew the threaded bushing (8).
4. Pull the plug with plug stem (5) out of the
flange bonnet (96).
5. Pull the entire packing out of the packing
chamber using a suitable tool.
6. Unscrew the seat (4) using a suitable
tool.
7. Apply a suitable lubricant to the thread
and the sealing cone of the new seat.
8. Screw in the seat (4). Observe tightening
torques.
9. Apply a suitable lubricant to all the pack-
ing parts and to the new plug stem (5).
We recommend replacing the packing as
well. See section 9.4.2.
10. Slide the new plug with plug stem (5) in-
to the valve body (1).
NOTICE ! NOTICE !
Tip