Bio-Rad ChromLab™ Software - Manual (Page 183)

System and Sample Pumps
Instrument Guide | 181
Replacing the Priming Manifold Check Valve
The priming manifold check valve has one check valve capsule. This procedure
explains how to replace both the priming manifold check valve and its capsule.
To replace the priming manifold check valve
1. Unscrew the priming manifold outlet port check valve housing (labeled OUT).