Removal Of The Lower Piston Assembly; Reattach The Lower Piston Assembly - Labnet Excel P3600L-10 Instruction Manual

11.1 Removal of the Lower Piston Assembly

Always remember to press the Reset button before disassembling the lower part of the Labnet Excel electronic pipettor.
1. Press the Reset button. Wait until you hear two beeps.
2. Loosen the lower part of the Labnet Excel electronic pipettor by unscrewing the connecting nut in a counterclockwise
direction (Figure 10A).
3. Slowly pull the lower piston assembly downward until the metal cylinder lock appears (Figure 10B).
4. Lay the Labnet Excel electronic pipettor down on a flat surface. Push the metal cylinder lock downward until you hear
a click sound (Figure 10C).
5. The lower piston assembly will automatically come off easily (Figure 10D).
A. Loosen the connecting nut by unscrewing
counter-clockwise.
Cylinder
lock
C. Push the metal cylinder lock downward
until you hear a click sound.

11.2 Reattach the Lower Piston Assembly

NOTE: Always remember to press the Reset button after you reattach the lower piston assembly of the Labnet Excel™
electronic pipettor.
Follow these steps to reassemble the Labnet Excel electronic pipettor:
Press the Plunger button or any button on the keypad to make the step motor shaft retract about 1 cm back into the

handle. The step motor will automatically retract inside if the user does not touch any button for 10 minutes.
Connect the lower part with the connecting nut. Tighten up the connecting nut.

Press the Reset button. The step motor shaft will connect with the piston of the lower part automatically. After the

connection is completed, the Labnet Excel electronic pipettor will beep twice.
B. Slowly pull the lower piston assembly
downward until the cylinder lock appears.
D. The lower piston assembly will
automatically come off easily.
Figure 10. Removal of the lower system assembly.
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