Servicing the check valve in the
hydraulic chamber inlet (50 and
70 columns)
1
Unscrew the check valve housing [116] from the top bayonet [804].
2
Use a thin plastic implement to remove the first O-ring [117 b], check valve [118],
and second O-ring [117 a].
NOTICE
Do not use a metal implement that can scratch the valve
housing.
3
Fit in a new O-ring [117a].
4
Fit in a new check valve [118]. The arrow on the check valve represents the flow di-
rection and shall be fitted so that it points inwards to the column.
Figure 6.27: Positioning of the check valve on AxiChrom 50 or 70 column.
CAUTION
To avoid risks caused by over-pressure the check valve shall
be fitted into the valve housing such that the direction of the
printed arrow on the valve points inwards to the column.
5
Fit in a new O-ring [117b] on top of the check valve.
6
Screw the check valve housing into the top bayonet.
140
AxiChrom 50, 70 and 100 columns Operating instructions 28-9331-08 AG
6 Maintenance and service
6.2 Performing maintenance and service
