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Airlocked Aft Ballast

Dornbox

Active Member
Messages
25
Reaction score
34
Points
32
Location
Freeport Maine
Boat Make
Yamaha
Year
2019
Boat Model
212X
Boat Length
21
Sorry if this has been posted several times but I couldn’t find the right search terms if so. My hard plastic Starboard Aft Factory Ballast (container?) has been blowing the fitting off in the engine compartment when I try to fill it over 80%+/-. I finally realized this weekend that it was air locked and blowing up like a balloon causing the fitting to pop off, so I loosened the hose clamp on the overflow bulk fitting which now allows air pressure to bleed off. It seems there’s a check valve in the bulkhead fitting that allows air in when emptying but not out when filling. Is the fitting bad or am I missing something? I don’t want to replace the fitting if it’s working properly and the air should be escaping elsewhere. Any advice would be super. Thanks!
 
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