BENDIX AD-IS AIR DRYER Manual page 15

SYMPTOM
10. The air dryer purge
piston cycles rapidly in
the compressor
unloaded (non-
compressing) mode.
TROUBLESHOOTING CHART (Continued)
CAUSE
A. Compressor fails to
"unload".
REMEDY
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.
15