Operators
manual
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Slide both rings from the bottom of the cartridge upwards, until just under both grooves.
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Press the upper ring in the groove.
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Press the lower ring in the groove.
4.9.3 Dust filter
Remark:
Use breathing protection when replacing the dust filters.
Remove the cartridge carefully from the station. The dust on the filter is bad
for the environment. The fastening plate, under the cartridge, has a raised
edge which catches as much dust as possible.
If the dust filter is excessively polluted, then the filter must be replaced. Replace the dust filter as
follows:
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Support the cartridge on the part of the cartridge with largest diameter.
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Loosen the nut M10, which attaches the dust filter to the cartridge.
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Remove the fastening plate from the threaded shaft.
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Remove the dust filter.
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Put a new dust filter over the threaded shaft and against the casing.
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Put the fastening plate against the dust filter. Ensure that, the curved edge of the fastening
plate is around the dust filter.
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Attach the fastening plate to the cartridge with a nut M10.
4.10 Capacity: increase of
For capacities larger than the maximum capacity of the COCON 26, you can link several stations
parallel to each other. This greatly enlarges the capacity. Inlet- and outletheaders, which are needed
to link the stations, are available.
Illustration 4.4 shows how you can link several stations parallel to each other.
llustration 4.4 'Two parallel linked stations'
4.11 Storage
Spare units (when being stored for long periods) should be stored in clean, dry and vibration free
storerooms. Ensure that seal rings are well greased or talced with talcum powder, this prevents the
Gorter-Controls B.V. – Schoonhoven- The Netherlands
Operators manual underground gas pressure reducing station
Type: COCON 26 N-LP
Page 22
