Appendix B
Additional Troubleshooting Information
The troubleshooting procedure presented on the following pages has been excerpted from a troubleshooting 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
TWO CYLINDER.
COMPRESSOR
GOVERNOR | STANDARD SINGLE CHECK VALVE | LOW PRESSURE | |
| (USED W/INTEGRAL PURGE AIR | INDICATOR | |
| DRYERS) |
| DASH |
|
|
| |
|
|
| GAUGE |
| SAFETY | REAR |
|
| VALVE |
|
|
| SUPPLY |
|
|
AIR DRYER |
| FRONT |
|
|
|
| |
STANDARD SINGLE |
|
| |
| CHECK VALVE |
|
|
GOVERNOR
SAFETY
VALVE
DASH
GAUGE
HOLSET TYPE "E & QE"
COMPRESSOR WITH ECON VALVE
HOLSET
“E OR QE”
COMPRESSOR
HOLSET
AIR |
DRYER |
REAR
SUPPLY 
FRONT
LOW
PRESSURE INDICATOR
ECON VALVE
SPECIAL
SINGLE CHECK
("CHOKE" IN INLET)
STANDARD SINGLE | DRAIN COCK | |
CHECK VALVE | ||
|
HOLSET TYPE "E & QE"
COMPRESSOR W/O ECON VALVE
GOVERNOR | SAFETY | LOW PRESSURE |
| |
VALVE | INDICATOR |
| ||
|
| |||
| AIR DRYER |
| DASH | |
| REAR | GAUGE | ||
HOLSET | SUPPLY |
|
| |
“E OR QE” |
|
|
| |
COMPRESSOR |
| FRONT |
| |
SPECIAL | SINGLE CHECK - |
| ||
|
| |||
PROTECTION VALVE |
|
| ||
SINGLE CHECK |
|
| ||
(USED W/SYSTEM | SINGLE CHECK VALVE (USED | |||
("CHOKE" IN INLET) | ||||
| PURGE AIR DRYERS) | W/INTEGRAL PURGE AIR DRYERS) | ||
28 | BW1627 © 2011 Bendix Commercial Vehicle Systems LLC • All Rights Reserved • 4/2011 |