Operators
manual
4.9.1 Upper seal rings
The two upper seal rings are situated in the grooves, on the cartridge's largest diameter (Illustration
4.3).
Illustration 4.3 'Upper seal rings'
To replace the upper seal rings, proceed as follows:
-
Remove both seal rings from the grooves.
-
Clean both grooves with a solvent, which does not affect the cartridge's material.
Remark:
Make sure that the seal rings are sufficiently greased with a low
viscosity, gas resistant gel.
-
Slide both rings from the bottom of the cartridge upwards, until just under both grooves.
-
Press the upper ring in the groove.
-
Press the lower ring in the groove.
4.9.2 Lower seal ring
s
The two lower sealrings are situated in the grooves directly above the dust filter.
The replace the lower seal rings as follows:
-
Remove both seal rings from the grooves.
-
Clean both grooves with a solvent, which does not effect the cartridge's material.
Remark:
Make sure that the seal rings are sufficient greased with a low viscosity, gas
resistant
gel.
Gorter-Controls B.V. – Schoonhoven- The Netherlands
Operators manual underground gas pressure reducing station
Type: COCON 26 N-LP
Page 21
