JUN-AIR JAir Dental Compressed Air System - Manual (Page 16)

16
CI-101A (Rev B) JUN-AIR Dental Compressed Air System User Guide
© 2011, JUN-AIR
We reserve the right to make any alterations which may be due to any technical improvements
Printed in the USA
MAINTENANCE, continued
Replace After Filter Element
1 . Turn off compressor system .
2 . Disconnect compressor system from electrical
power .
3 . Bleed air from system .
4 . Push up and rotate after filter bowl slightly and
remove .
5 . Remove filter element by turning completely out
and discard .
6 . Install a new 1 .0 micron filter element (verify
correct part is installed) .
7 . Position filter bowl by pushing up slightly and
rotating into place .
8 . Reconnect electrical power to system .
Testing Safety Relief Valve
1 . Run compressor until 45 psi shows on pressure
gauge .
2 . While compressor is still running, pull ring on
safety valve . Valve will reseat .
NOTE: A loud burst of air will be heard
when the air is released from safety valve.
3 . If no air comes out of the safety valve or it does
not reseat, it is defective and must be replaced
immediately .
Testing Compressor System for Leaks
1 . Close valve to facility plumbing .
2 . Run compressor until it shuts off at approximately
100 psi .
3 . Turn off compressor system .
4. Let compressor system set for 5 minutes.
5 . If the pressure drop is more than 5 psi within 30
minutes, leaks must be repaired .
6 . Repair if needed, using soapy water to determine
where leaks are occurring .
7 . Open valve to facility plumbing .
CAUTION: Bleed air from system be-
fore replacing safety valve or servicing.
WARNING: Disposal of system or com-
ponents (once deemed non-usable by
the authorized dealer and end user)
should be done in accordance with all
local codes. Contact your local waste
management authorities to determine
proper disposal methods.
Replacing Desiccant Towers
1 . Turn off compressor system .
2 . Disconnect compressor system from electrical
power .
3 . Bleed air from system .
4 . With both hands, grasp the tower and rotate
CCW to remove .
5 . Install new desiccant tower by rotating CW into
dryer manifold block .
6 . Repeat steps 4 and 5 for second tower, if
necessary .
7 . Reconnect electrical power to system .