PUREGAS, LLC
P4200W2 Series Air Dryer User’s Guide
Page 76 of 113
P012308 - Rev. E
9.10 Testing Precooler Fan
9.10.1
Place your hand in front of
the Precooler Fan to feel for
air being blown outward.
If the fan is not blowing air outward as described:
•
Check for loose wiring. Refer to the Wiring Diagram (section 14.1 )
•
Replace defective fan (see sections 11.3 for part detail and 11.7 for
ordering information).
9.11 Testing Safety Relief Valve
9.11.1
Remove the Front Panel (section 8.10 ).
9.11.2
Pull the ring handle on the
Safety Relief Valve to verify
air pressure is released.
9.11.3
Release ring handle and
verify that no air is leaking
from the valve.
9.11.4
Reinstall the Front Panel (section 8.10 ).
If the Safety Relief Valve fails either test described, it must be replaced. See
sections 11.3 for part detail and 11.7 for ordering information.
Summary of Contents for P4200W2
Page 2: ......
