Technical manual
MT 208-E
23
6)
Unscrew the fixing nut
7)
Remove the nut together with the disc and the diaphragm
8)
Loosen and remove the fixing bolts of the head cap to the flange
9)
Remove the head cap together with the spring
10)
Unscrew the diaphragm support
11)
Remove the obturator support together with the spring and
remove the o-ring
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