Sullair SD-220 - 4.1 REPLACEMENT OF THE DESICCANT; 4.2 DISPOSAL OF THE DESICCANT

INSTALLATION, START-UP & MAINTENANCE MANUAL
MODEL NO.: SD-220 TO SD-600- DDS OPTION
REV 0 – May 24,,.2001
21
SECTION 4
Annually or after every 2500 hours of operation
•
Check the desiccant for impurities and change it if necessary. A brownish
/ yellowish tone indicates that it has been soiled with oil. The desiccant
has a normal lifetime of about 8000 operating hours.
•
Check the screens installed in the unit for impurities and if necessary,
clean them.
•
Check the function of the inlet/exhaust valve combination by sending
electrical control signals.
•
Replace pilot air filter element.
4.1 REPLACEMENT OF THE DESICCANT
•
Close dryer inlet/outlet isolation valves.
•
Depressurize and switch off the adsorption dryer.
•
Remove the drain plug and empty the old desiccant into a container.
•
Screw the plug back in and fill new desiccant from above into the vessels.
•
Pressurize the adsorption dryer and restore power to the dryer.
NOTE: In order to ensure trouble-free operation, we recommend replacing the
desiccant every 8000 Hours, or every 2 years on latest.
4.2 DISPOSAL OF THE DESICCANT
DANGER!
The desiccant can be disposed of at a suitable disposal site in
accordance with local or official regulations.
Don't forget: The desiccant may contain pollutants!