Air dryer rapid cycling
(I tried to search for relevant topics, but didn't find any that were helpful) My air dryer purges about once in two minutes, which does not seem normal. I have done the following: 1. Listened...
Forum Discussion
Thanks JD
Cummins engine - C8.3-300
The purge valve was replaced with the air dryer rebuild, though that alone is no guarantee that is is not at fault. I would think the purge valve would be leaking (hissing like crazy) if it were causing such a leak. Am I correct?
My previous coach had the same symptom, and a rebuild of the air dryer fixed it.
Maybe the unloader valve? I cannot reckon the function of the valve to the symptom.
Matt B
Cummins engine - C8.3-300
The purge valve was replaced with the air dryer rebuild, though that alone is no guarantee that is is not at fault. I would think the purge valve would be leaking (hissing like crazy) if it were causing such a leak. Am I correct?
My previous coach had the same symptom, and a rebuild of the air dryer fixed it.
Maybe the unloader valve? I cannot reckon the function of the valve to the symptom.
Matt B
