EB 8140 EN
29
Servicing
1
9
5.1
7
8
11
12
13
2
3.1
3
4.5
4.3
4.4
3.2
5.2
4
4.2
S
6
5
8.1
8
4.1
8.3
8.2
8.1
10
7.1
FE/NO
FA/NC
5.3
1.1
1
Body
1.1
Body nut
2 Plug (with plug/
actuator stem)
3 Valve bonnet
3.1
Body gasket (seal)
3.2
Borehole
4 Threaded bushing
4.1 Radial shaft seal
4.2 Retaining screw
4.3 Washer
4.4 Packing rings
4.5 Spring
5 Actuator base
5.1 O-ring
5.2 Washer
5.3 O-ring
6 Screw
7 Actuator housing
7.1 Dome
8 Piston
8.1 Piston ring
8.2 O-ring
8.3 Washer
9 Spring
9.1 Washer
10 Travel indicator
11 Nut
12 Washer
13 Vent plug
S
Signal pressure
connection
Fig. 7:
Replacing the packing · DN 65 and 80