User manual

128 Bio-inert Quaternary Pump User Manual
9 Maintenance
Maintenance of the Pump Head
5
Place a seal wash gasket in the recess of the support ring.
Put the seal holder on top of the gasket.
6 Place the support rings on the piston housing (pistons not
installed) and snap the pump head and piston housing
together. Note the correct position of the pin on the
support ring.
7 Insert the pistons and carefully press them into the seals. 8 Tighten the lock screw.
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