BENDIX AD-IS AIR DRYER - Troubleshooting Chart: Rapid Purge Piston Cycling

15
A. Compressor fails to
“unload”.
10. The air dryer purge
piston cycles rapidly in
the compressor
unloaded (non-
compressing) mode.
A. Check air hose from governor to compressor for a
missing, kinked or restricted line. Install or repair
air hose.
Repair or replace compressor unloader.
TROUBLESHOOTING CHART (Continued)
SYMPTOM CAUSE
REMEDY