582156110-EN-indC-Pump-20F50 pH.docx 20/11/2020
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Remove the seal (35).
Clean the parts.
Replace the seal (35), grease it (PTFE grease) and
reinstall it on the exhaust valve (34).
Place the ball (32) on the exhaust valve (34).
Apply adhesive (Loctite 5772) to the piston thread
(24).
Place the exhaust valve (34) and screw it on manually
at the contact.
Tools needed