72
Maintenance
Eppendorf Xplorer
®
/Eppendorf Xplorer
®
plus
English (EN)
7.5.1.4 Opening and assembling the lower part (≤1000 μL)
Prerequisites
The piston is in the basic position.
Opening the lower part
Assembling the lower part
1. Carefully guide the piston and the piston spring into the cylinder. Make sure that the
piston is guided correctly in the piston spring and the cylinder. There must not be any
perceptible resistance. Stop pushing as soon as any resistance is felt This may
indicate that the piston is not positioned correctly in the cylinder. There is a risk of
bending the piston if too much force is applied. Carefully pull out the piston and repeat
the process correctly. In the case of piston springs with double windings (4), these
windings must point downwards.
2. Keep the piston and the piston spring pressed.
3. Keep the stop pins on the piston mount pressed with the other hand.
4. Mount the piston mount so that the two stop pins engage in their retainers.
5. Gently press a pipette tip against the inserted piston. The piston must move down in
the cylinder without any noticeable resistance.
To avoid confusing the parts, only disassemble and assemble one pipette at a
time.
1. Slightly push the stop pins together on
the piston mount (1).
2. Remove the piston mount.
3. Remove the piston (2) and the piston
spring (3). The piston is under spring
tension.
The appearance of pistons and piston springs varies according to the individual
volume versions.
1
2
3
4
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