Install the head ring (pos. , Fig. 150), the high pressure seal
(pos. , Fig. 151) and the restop ring (pos. , Fig. 152).
Place the O-ring for the gasket support in its seat (pos. ,
Fig. 153).
Fig. 150
Screw the gasket support to the liner (pos. , Fig. 154)
and tighten using a compass spanner with Ø5 round ends,
available on the market (pos. , Fig. 155) until the support
abuts the liner.
Fig. 151
Fig. 152
64
Fig. 153
Fig. 154
Fig. 155