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Old 09-22-2019
Kb1jkn Kb1jkn is offline
Junior Member
Join Date: Dec 2018
Location: Harwinton
Posts: 17

This weekend I replaced my air governor, upgraded from an ad-4 to an ad-9 air dryer, and found out what an expello valve is and where to locate it. Long story short, a failed expello valve can prevent an air dryer from purging and cause an air compressor to over charge. Lesson learned. Glad to have serviced the air system however, I am almost positive all parts were original. Now to get my expello valves pulled and replaced.
Mike and Marisa Mastrobattisto
Harwinton, CT
89 SP36
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