O&M Manual v2
Page 28
13.
Wash the bowls in soapy water and rinse thoroughly as needed. Use of light air gun to remove
debris is also acceptable. Make sure to always clean and dry with a clean and dry cloth.
14.
Install new filter element and replace O-rings as needed.
15.
Put the filter bowl back on the system opposite of how it was removed making sure the bowl is
seated in place correctly.
16.
Reconnect the drain tubes.
17.
Slowly open the air inlet valve to pressurize the bowls and examine for any leaks.
9.3
Rebuild process valve
It is recommended that every 5 years or 15,000 hours, that all the process valves be rebuilt. Contact South-
Tek System for the specific rebuild kit parts and instructions.
9.4
Nitrogen Generator
The nitrogen generator is a rugged unit and requires only minimal maintenance. Failure to follow the
maintenance schedule may result in damage to the unit and voiding the warranty.
Every day:
1.
Check for air and product leaks.
2.
Check instrument air pressure.
3.
Visually check control panel.
4.
Record nitrogen concentration and flow rate; operating or ambient temperature, feed air pressure, product
tank pressure, and sieve bed pressures throughout one cycle.
5.
Verify that the automatic filter drain is working properly.
6.
Manually operate air receiver drains.
Every Three months:
1.
Operate safety valves.
2.
Operate manual valves.
Annually:
1.
Test all air pilot valves
2.
Check for air and product leaks.
3.
Change all 3 filter elements.
4.
Check O
2
analyzer sensor for proper operation as per manufacturer’s instructions and order replacement.
Three years:
1.
Install repair kits in all pneumatically operated valves.
2.
Disassemble and inspect all air-operated valves; install repair kits if required.
