GE AKTA avant - Page 313

ActionStep
Unscrew the purge valve by turning it counter-clockwise, and lift off the
metal ring.
4
Unscrew the plastic nut of the upper check valve using an adjustable wrench,
and gently lift off the upper check valve.
5
Unscrew the two white plastic screws located below each pump head. Pull
the plastic connectors to the sides to release the inlet manifold.
6
ÄKTA avant User Manual 29035184 AE 313
7 Maintenance
7.6 Maintenance when required
7.6.9 Clean pump head check valves