ED. 2010/11
7.Assembly and disassembly
15
7.3.
DISASSEMBLY / ASSEMBLY OF THE OVERFLOWVALVE WITH PTFE SEAT.
Disassembly
1.
Loosen the lock nut (26F).
2.
Mark the position in the shaft (08) and then unscrew
and release the valve nut (26C).
3.
Remove the clamp (34).
4.
Remove the spring cover (12A). The shaft stop
washer (25) and the spring (06) will be pulled out.
5.
Pull the shaft (08) upwards together with the body
cap (12), shaft seal (05) and the O-ring (20B).
6.
Remove the shaft seal (05) from the body cap (12).
7.
Remove the O-ring (20B) from the body cap (12).
8.
Remove the elastic ring (45) and the shaft seel
(08A).
9.
Remove the O-ring (20C) to the shaft seel (08A).
10.
Remove the seat seel (19).
Assembly
1.
Place the seat seal (19) on the shaft (08) and the O-
ring (20C) in the shaft seel (08A).
2.
Place the shaft seal (08A) and attach the assembly with
the elastic ring (45).
3.
Place the O-ring (20B) on the body cap (12).
4.
Place the shaft seal (05) in the body cap (12).
5.
Place the shaft assembly through the shaft seal (05)
and onto the body (01).
6.
Mount the spring cover (12A) on the valve body (01).
7.
Assemble the spring cover (12A) to the valve housing
(01) with the clamp (34). Tighten the nut of the clamp.
8.
Place the stop washer (25) and the springs (06) on the
spring cover (12A).
9.
Screw the lock nut on (26F) passing the mark made
before disassembly.
10.
Screw the nut on (26C) until reaching the mark.
11.
Screw the lock nut (26F) against the nut (26C) to fix it
in place.
A spanner is required to disassemble the valve.
