Radio Frequency Systems
BD1500W Series Air Dryers User’s Guide
Page 61 of 98
100518834 – Rev. B
9.7 Testing Unloader Valve
With Compressor running
:
9.7.1
Open Front Panel (section
9.7.2
Locate the Unloader Valve
on the left side of the Dryer.
9.7.3
With a 9/16” wrench
disconnect hose from the
Unloader Valve.
9.7.4
Place your hand under the
Unloader Valve to verify for
air flow.
The Unloader Valve should
purge all the head pressure
when the Compressor turns
off, and for approximately 2
seconds when the Compressor starts up again.
If air flows from this valve continuously the Unloader Valve is defective and
should be replaced. See sections 11.2 for part detail and 11.7 for ordering
information.
9.7.5
With a 9/16” wrench
connect hose to the Unloader
Valve.
9.7.6
Close Front Panel.
Summary of Contents for BD1500W Series
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