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3 Pump Head Maintenance (Quaternary and Flexible Pumps)
Assembling the Pump Head
5
Insert the alignment piston of the pump head alignment
tool. Lubricate the alignment piston with isopropanol or
another suitable solvent before insertion.
Damage to the pump head.
➔ Using the alignment tool is mandatory.
➔ Not using will break the pump head.
6 Insert the pump head to the pump head alignment tool,
which is included to the 1290 Infinity Service Kit p/n
5067-4699. There are openings for the seal wash support
ring and heat exchanger of the secondary pump head.
Observe the correct orientation of all parts.