Bio-rad ChromLab™ Software Uživatelský manuál stáhnout pdf (Strana 172)

A | Maintaining the Instrument

170 | NGC Chromatography Systems and ChromLab Software

Removing the Piston

Caution: Use extreme caution when removing the piston. The sapphire piston

can easily break if dropped or bent.

To remove the piston

1. Complete the steps in the sections Removing the Pump Heads on page 159

and Removing the Wash Housing on page 169.

2. Remove the wash housing seal from the piston if it did not detach with the

wash housing.

Store the wash housing seal in a safe place such as a petri dish or other small

container if you plan to reuse it.

3. Remove the large washer from the piston.

a. Locate the small flathead screwdriver provided in the fittings kit.

b. Insert the screwdriver into the flat area behind the large washer.

c. Gently slide the large washer away from the front panel with the

screwdriver until you can reach it with your fingers.

4. Gently pull the large washer off the piston. Store the washer in the same

container as the wash housing seal.

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Bio-rad ChromLab™ Software Uživatelský manuál Strana 172