Anest Iwata DDP 90 E Series, Manual

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8. Disassembly and Assembly
8-3. Diaphragm section
Job 1
Loosen hex. nuts which are on both sides
of diaphragm. You can remove either one
of them.
Job 2
Remove the following parts beginning
with the rod from the side where hex. nut
is removed:
①
Spring washer ×1 pc
②
Diaphragm holder-ou t ×1 pc
③
O ring
×
１
pc
④
Diaphragm set ×1 pc
Diaphragm (White)
Diaphragm (Black)
⑤ Diaphragm holder-in
×1 pc
Job 3
While pushing the rod from the side
where
hex.nut is removed, hold
diaphragm where hex. nut is not removed
and pull rod from main body.
Job 4 Hold center of rod, remove hex.nut and remove
following parts beginning with the rod.
① Spring washer
× 1 pc
②
Diaphragm holder-out × 1 pc
③
O ring
×
１
pc
④
Diaphragm set × 1 pc
Diaphragm (White)
Diaphragm (Black)
⑤
Diaphragm holder-in × 1 pc
During assembly, please observe the
following tightening torque
90E series
：
20 Ｎ・ m
120B series
：
25
Ｎ・
m
Rod
Diaphragm holder in
Diaphragm(Black)
Diaphragm(white)
O Ring
Diaphragm holder out
Spring washer
Hexagon nut
Diaphrag
Rod
Hex. nut
Pump Rod
Push