154 1290 Infinity Quaternary Pump User Manual
9 Maintenance
Replacing the Pump Head
4
Remove the capillary connection from the outlet filter on
the secondary pump head to the pressure sensor.
5 Open the black plastic screw of the inlet valve at the
bottom of the left primary pump head (1) and remove the
inlet weaver by first pushing it downwards (2) and then
pulling it out to the left (3).
6 Open the four screws holding the pump heads.
Open all screws step by step, not screw by screw.
7 Remove the complete pump head assembly by holding
both heads and pulling it to the front.
Do not further disassemble the pump head.
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