9.8.2 Maintaining the filling valves
A sintered filter in the filling valve body protects the filling valve from contamina-
tion.
Dismantle and clean the sintered filter of the filling valve as follows; in case of se-
vere contamination, replace it if necessary:
The compressor unit is switched off.
The compressor unit is secured against restarting.
WARNING
Danger of poisoning due to contaminated breathing air!
Ensure cleanliness and hygiene.
Only use cleaning agents and sealant that are suitable for breathing air.
Fig. 29 Maintaining the sintered filter
1 Filling valve 3 Pressure gauge
2 Sintered filter
1.
De-pressurise the compressor unit, see Chapter 9.6.3 De-pressurising the
unit, Page 99.
2.
Unscrew the pressure gauge from the filling valve body.
3.
Unscrew the sintered filter using an adequately wide screwdriver.
4.
Wash the sintered filter in a grease dissolving hot soap solution and blow out
with compressed air; replace it in case of severe contamination or damage.
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