YAMADA NDP-H40, Maintenance Manual, Page: 9 / 18

6
5. Diaphragm, Center rod and Center bushing
5.1 Removal
■
BA
□
, BS
□
, BF
□
types
▪
Remove the ball and valve seat etc.(see [4.1 Removal BA
□
,
BS
□
, BF
□
types] on P.2)
▪
Remove the 16 (24 on the NDP-H80) retainer bolts from the
out chamber, and remove the out chamber. [Fig.5.1]
▪
Remove the nut on one side of the center rod. Then, remove
the coned disk spring, center disk, diaphragm and center
bushing on the same side. [Fig.5.2]
▪
Pull out the other center disk, diaphragm and center bushing
together with the center rod from the main body.
▪
Remove the other nut using the double-nut method. Then,
remove the coned disk spring, center disk, diaphragm and
center bushing. [Fig.5.3]
<NOTE>
▪
Be careful not to damage the center rod and center bushing.
■
BP
□
type
▪
Remove the ball etc.(see [4.1 Removal BP
□
type] on P.3-4)
▪
Remove the 8 (4 on the NDP-H40) retainer bolts from the
stand body, and remove the stand body. [Fig.5.4]
▪
Remove the 16 (24 on the NDP-H80) retainer bolts from the
out chamber, and remove the out chamber. [Fig.5.5]