Additional Troubleshooting Information - BENDIX AD-4 AIR DRYER Manual

Additional Troubleshooting Information

The troubleshooting procedure presented on the following pages has been excerpted from a laminated card entitled:
Troubleshooting Charging and Air Supply Systems. The complete card can be obtained from authorized Bendix parts
outlets under literature number BW1779. It is presented here because of the air dryers connection to the supply air system
and for convenience. The procedure is not all inclusive but rather represents the most commonly encountered complaints.
CONVENTIONAL
SUPPLY SYSTEM
& INTEGRAL PURGE
AIR DRYER
HOLSET TYPE
"E & QE"
COMPRESSOR
WITH ECON
VALVE
COMPRESSOR
HOLSET TYPE
"E & QE"
COMPRESSOR
W/O ECON
VALVE
COMPRESSOR
Appendix B
GOVERNOR
TWO CYL.
COMPRESSOR
AIR DRYER
GOVERNOR
HOLSET
"E OR QE"
HOLSET
ECON VALVE
SINGLE CHECK
("CHOKE" IN INLET)
GOVERNOR
HOLSET
"E OR QE"
SPECIAL
SINGLE CHECK
("CHOKE" IN INLET)
STANDARD SINGLE CHECK VALVE
(USED W/INTEGRAL PURGE AIR
DRYERS)
SAFETY
VALVE
SUPPLY
STANDARD SINGLE
CHECK VALVE
SAFETY
VALVE
AIR
DRYER
SUPPLY
SPECIAL
STANDARD SINGLE
CHECK VALVE
SAFETY
VALVE
AIR DRYER
SUPPLY
SINGLE CHECK -
PROTECTION VALVE
(USED W/SYSTEM
PURGE AIR DRYERS)
LOW PRESSURE
INDICATOR
DASH
GAUGE
REAR
FRONT
DASH
GAUGE
PRESSURE
REAR
INDICATOR
FRONT
DRAIN COCK
LOW PRESSURE
INDICATOR
GAUGE
REAR
FRONT
SINGLE CHECK VALVE (USED
W/INTEGRAL PURGE AIR DRYERS)
LOW
DASH
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