14
7.Assembly and disassembly
ED. 2010/11
7.2.
DISASSEMBLY / ASSEMBLY OF THE OVERFLOWVALVE FIG: 74700M.
Disassembly
1.
Remove pin (50A) from the handle (04).
2.
Remove the handle (04) from the shaft
(08).
3.
Loosen the lock nut (26F).
10.
Mark the position in the shaft (08) and
then unscrew and release the valve nut
(26C).
11.
Remove the clamp (34).
12.
Remove the spring cover (12A). The
shaft stop washer (25) and the spring
(06) will be pulled out.
13.
Pull the shaft (08) upwards together
with the body cap (12), seat seal (05)
and the O-ring (20B).
14.
Remove the seat seal l (05) from the
body cap (12).
15.
Remove the O-ring (20B) from the body
cap (12).
16.
Remove the elastic ring (45) and the
shaft sleeve (08A).
17.
Remove the seat seal (19).
Assembly
1.
Mount
the seat seal (19) on the shaft (08).
2.
Mount the shaft sleeve (08A) and attach
the assembly with the elastic ring (45).
3.
Place the O-ring (20B) on the body cap
(12).
4.
Place the seat seal (05) in the body cap
(12).
5.
Mount the shaft assembly over the seat
seal (05) and place 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 spring washer (25) and the
springs (06) on the body cap (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.
12.
Place the handle (04) on the shaft (08) ensuring that the holes are lined up.
13.
Insert the pin (50A) into the hole of the handle (04) and the shaft (08).
A spanner is required to disassemble the valve.
