5
5. Diaphragm and Center rod
5.1 Removal
■
FAT, FST, BA
□
, BS
□
, BPS types
▪
Remove the ball or flat valve and valve seat (see [4.1
Removal FAT, FST, BA
□
, BS
□
, BPS types]).
▪
Remove the 8 (12 on the NDP-15) retainer bolts from the out
chamber, and remove the out chamber. [Fig.5.1]
▪
Remove the nuts on both sides of the center rod. [Fig.5.2]
▪
After the nuts on one side have been removed, remove the
center disk and diaphragm. Remove the diaphragm, center
disk and center rod from the opposite side of the main body.
<NOTE>
▪
When the diaphragms are removed, the main body is
separated 2 pieces. For easy work, leave the tie rods or bolts
fastened temporarily before remove the diaphragms.
▪
Remove the nuts on the opposite side using the double nuts.
[Fig.5.3]
▪
Remove the coned disk spring, center disk and diaphragm.
