I’m just guessing, but I’d say it was manufactured by Gray, maybe a phone call to there service department might lead to some answers. It’s just strictly Air isn’t it? I don’t see any signs of “air over hydraulic”.
I’m just guessing, but I’d say it was manufactured by Gray, maybe a phone call to there service department might lead to some answers. It’s just strictly Air isn’t it? I don’t see any signs of “air over hydraulic”.