Samson 3349, Mounting And Operating Instructions

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9-8 EB 8048-2 EN
Servicing
9.6 Service work for version
with Type 3379 Actuator
See Fig. 9-5
Î
Before performing any service work,
preparations must be made to the control
valve (see section 9.3).
Î
After all service work is completed, check
the control valve before putting it back
into operation (see 'Testing the installed
valve' in the 'Installation' section).
Legend for Fig. 9-3 to Fig. 9-7
1 Body
2 Plug
3 Plug stem
5.1 Stem seal
5.2 Threaded bushing
6.1 Threaded pin
6.2 Retaining washer
15 Spring
19 Washer
20.3 Valve bonnet for micro-flow valve
version with Type 3379 Actuator
21 Standard valve bonnet with Type 3379
Actuator
23 Packing
24 Diaphragm
34 Screw
36 Screw plug or nipple
39 Gasket
40 Pipe
41 Bearing
42 Spacer of stem seal (micro-flow valve
version only)
43 Snap ring