GE AxiChrom 50 Operating Instructions Manual page 140

6 Maintenance and service
6.2 Performing maintenance and service
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],
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-
5 Fit in a new O-ring [117b] on top of the check valve.
6 Screw the check valve housing into the top bayonet.
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and second O-ring [117 a].
NOTICE
Do not use a metal implement that can scratch the valve
housing.
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.
AxiChrom 50, 70 and 100 columns Operating instructions 28-9331-08 AG