YAMADA Global Series, Maintenance Manual

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6
Fig.5.5
Fig.5.6
Fig.5.7
■ P_ Type
▪ Remove the ball, valve seat A, valve seat B, O ring. (see [4.1
Removal]).
▪ Remove the 16 retainer bolts from the out chamber, and
remove the out chamber. [Fig.5.5]
▪ Remove the center disk on both sides of the center rod.
[Fig.5.6]
▪ After the center disk on one side have been removed using
the spanner 22 mm etc., remove the center disk, diaphragm
and backup diaphragm (only PT Type).
Remove the diaphragm, backup diaphragm (only PT Type),
center disk and center rod from the opposite side of the main
body.
▪ Put the cloth between the vise and the center rod to prevent
the part get scratched.
▪ Fix the center rod, and remove the center disk. [Fig.5.7]
▪ Remove the diaphragm, backup diaphragm (only PT Type)
and center disk.