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Clean the retainer or replace it with a new one. Apply the grease (Dow Corning Toray
MOLYKOTE
®
HP-500) on its surface and the screw burning protective agent to the shaft
of a new diaphragm.
Fit a new diaphragm and the retainer into the pump shaft.
Slide the retainer, dome end first, onto the diaphragm shaft. And then screw the shaft into the pump
shaft and tighten it until bottoms out and will not turn further.
NOTE
If it is fitted loose, failure may result.
Retract the pump shaft by keypad operation.
Push the Enter key.
Select "Diaphragm Pos." and push the Enter key.
Select "MAX IN Pos." by the right and left keys.
Push the Enter key.
The diaphragm contracts and "MAX IN Pos." flashes.
Mount the pump head.
Tighten the bolts evenly to 12N•m in diagonal order.
NOTE
Check the pump shaft has contracted to the full
before mounting the pump head, or a leak or damage
may result.
Wear part replacement
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