17
MT 237 – EN ed.2015 (Rev.A)
10. Unscrew the nut and remove the obturator
11. Remove the upper cover of the slam-shut valve
12. Unscrew the valve seat from the body, paying utmost care not to damage the sealing edges;
To re-assemble the slam-shut valve follow the procedure described for disassembly in reverse order.
Before reassembling the tightness elements (O-rings, membranes, etc.), it is necessary to check their integrity and, if necessary, replace
them.
