15
servicing the Piston assembly
You may remove the piston assembly for cleaning
purposes only. If the piston assembly is changed, the
pipette must be adjusted and calibrated in a Gilson
authorized Service Center.
The piston assembly must not be
autoclaved.
Remove the tip-ejector (see above).
Unscrew the connecting nut by turning it counter-
clockwise.
Carefully separate the lower and upper parts.
Remove the piston assembly, o-ring and seal.
Clean and decontaminate the piston assembly.
Reassemble the pipette (refer to the figure, p 14).
Tighten the connecting nut (turn clockwise).
Refit the tip-ejector (see above).
changing the o-ring
The o-ring and seal are on the piston;
they must
not be autoclaved
, if worn or damaged in any way
(chemical or mechanical), they must be replaced.
The dimensions of the o-ring vary depending on
the model of pipette.
Remove the tip-ejector (see above).
Unscrew the connecting nut by turning it counter-
clockwise.
Carefully separate the lower and upper parts.
Remove the piston assembly, o-ring and seal.
Clean or replace the seal then the o-ring.
Reassemble the pipette (refer to the figure, p 14).
Tighten the connecting nut (turn clockwise).
Refit the tip-ejector (see above).
Summary of Contents for PIPETMAN P Series
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