Bio-rad ChromLab™ Software Manuel d'utilisateur télécharger pdf (Page 176)

A | Maintaining the Instrument

174 | NGC Chromatography Systems and ChromLab Software

To identify the left and right housings after you remove them from the pump,

remove a fitting on one of the wash housings. If the fitting is a check valve then

the housing is the left housing. If the fitting is hollow then the housing is the

right housing.

Tip: You might have labeled the wash housings Left and Right in the

section To remove the wash housing on page 169.

2. Locate one inlet and one outlet piston wash check valve for the left wash

housing.

Note: You do not need to clean or replace the fittings on the right wash

housing.

3. Remove the left wash housing check valves.

Caution: The inlet and outlet check valves must be oriented correctly

when installed or the pump can be damaged.

4. Identify the inlet and outlet check valves.

 The inlet check valve has an X on the male end.

 The outlet check valve has a round insert in the male end.

5. Insert the inlet check valve in the bottom of the wash housing (inlet port).

6. Insert the outlet check valve into the top of the wash housing (outlet port).

7. Remove the right wash housing fittings.

8. Insert a new fitting into the top and bottom ports on the right wash housing.

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Bio-rad ChromLab™ Software Manuel d'utilisateur Page 176