PURAGUARD QC

OIL COALESCING FILTER TROUBLESHOOTING CHART

 

 

 

SYMPTOMS

CAUSE

REMEDY

1. More often than normal

A. PuraGuard QCoil

A. See figure 3.

(monthly) sump draining

coalescing filter installed

 

required.

in incorrect position in

 

 

system.

 

 

B. Alcohol injector in

B. The PuraGuard QCfilter is not recommended

 

system.

to be used in conjunction with an alcohol

 

 

evaporator or injector. [The PuraGuard QC

 

 

filter will remove the liquid or aerosol alcohol

 

 

introduced, defeat the purpose of the evaporator/

 

 

injector and require the sump to be drained more

 

 

often than usual.]

 

 

 

 

C. Air dryer malfunction.

C. Check the air dryer.

 

 

 

 

D. Compressor malfunction.

D. Check the compressor.

 

 

 

2. Bypass feature not

A. Supply and delivery air

A. Reverse hose connections.

connections reversed.

 

working.

 

 

 

 

 

 

3. Oil in the system.

A. Supply and delivery air

A. Reverse hose connections.

connections reversed.

 

 

 

 

 

 

 

B. Sump not drained

B. Drain the sump every 300 operating hours, 8,000

 

regularly.

miles or one (1) month. (Draining can be done

 

 

more frequently if desired.)

 

 

 

 

C. Cartridge maintenance

C. Use a maintenance kit to replace the cartridge

 

interval exceeded.

every 3600 operating hours, 100,000 miles or

 

 

one (1) year whichever is less.

 

 

 

 

D. Air dryer malfunction.

D. Check the air dryer.

 

 

 

 

E. Compressor malfunction.

E. Check Compressor.

 

 

 

BW2396 © 2004 Bendix Commercial Vehicle Systems LLC All rights reserved. 1/2004 Printed in U.S.A.

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BENDIX BW2396 manual Puraguard QC