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DB 885 Hydraulics


 
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TischeWi
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Joined: 24 Sep 2020
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PostPosted: Sun Jun 13, 2021 10:24 am    Post subject: DB 885 Hydraulics Reply to specific post Reply with quote

When tying to remove the control value assembly I followed all the steps in the manual but the right hand rockershaft bracket will only move about a 1/2 inch. With rockershaft pulled back that 1/2 and the small plate over the top of the control valve I can see what appears to be the non-return valve protruding out of the assembly, this I assume is part of my problem. Anyone have a thought what is stopping the removal? There is a loader on the tractor but I would not think that would be the problem.
 
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RGMartin
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PostPosted: Tue Jun 15, 2021 3:27 am    Post subject: Re: DB 885 Hydraulics Reply to specific post Reply with quote

That is the spool valve.

Without knowing what you have done, or might have missed, it could be a dozen different things hanging you up.

if you are sure you have everything disconnected, don't be afraid to wiggle the assembly around.
 
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TischeWi
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PostPosted: Tue Jun 15, 2021 11:33 am    Post subject: Re: DB 885 Hydraulics Reply to specific post Reply with quote

Here is the steps I did.
First I removed the right fender to give more access.
Removed cover from the control lever housing, disconnected the
connecting rod. removed hand brake housing. unbolted and removed control lever housing. removed the two bolts holding the pressure pipes. Unlock and back the the retaining bolt 9 turns (may have gone to far on this)
Disconnected the flex cable from the sensing unit, unbolted and removed the sensing unit. disconnected lift arms. Removed cover from the right side rockshaft bracket. Unbolt and removed left side rockshaft bracket. Unbolt right rockshaft bracket.

The valve I see sticking out is on the left side of the control valve assembly just slightly forward and down from the by-pass and hold valves
 
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