final drive breather caps

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   Howdy friends. 

A quick question regarding my HD16DC. I took the access plate off the back of the dozer where you can expose and clean the final drive and brake breather units. 

On my tractor there is a 1/4" copper line with brass not nuts and a ferrel on each end connecting the left side breather to a valve cluster next to it. guessing its a steering valve. One on each side. 

this line has a broken nut,.,,, I broke it, and wondering if this is just a passive breathing line or is it under any kind of pressure. Asking as I would rather replace with a flexible reinforced line of equal size. Will send pic later today. 

Thank you

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jerbob Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 07 Aug 2017 Location: Michigan Points: 961	Post Options Post Reply Quote jerbob Report Post Thanks(0) Quote Reply Topic: final drive breather caps Posted: 04 Dec 2017 at 10:31am
	Howdy friends. A quick question regarding my HD16DC. I took the access plate off the back of the dozer where you can expose and clean the final drive and brake breather units. On my tractor there is a 1/4" copper line with brass not nuts and a ferrel on each end connecting the left side breather to a valve cluster next to it. guessing its a steering valve. One on each side. this line has a broken nut,.,,, I broke it, and wondering if this is just a passive breathing line or is it under any kind of pressure. Asking as I would rather replace with a flexible reinforced line of equal size. Will send pic later today. Thank you

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DMiller Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 33842	Post Options Post Reply Quote DMiller Report Post Thanks(0) Quote Reply Posted: 04 Dec 2017 at 10:51am
	My 7G has them directly on the brake actuator housings, may want to scan through the parts book at Minnpar to see what they show. Thwas the rear of the donor, they sit one to either side off angle.

jerbob Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 07 Aug 2017 Location: Michigan Points: 961	Post Options Post Reply Quote jerbob Report Post Thanks(0) Quote Reply Posted: 04 Dec 2017 at 11:33am
	Yup,,, mine too. Are they under pressure when tractor is in use? Just curious. In the manual they do not refer to them.