tilt blank spot.

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ErikBW

New member
Joined
Feb 6, 2024
Messages
3
I have an old 753 that has been working well, and then boom and bucket operations got progressively slower. Entire control valve has been replaced with a used one, all working well now with the exception that when back tilting the bucket there is a blank spot where the bucket falls annoyingly before tilting backwards.
I suspect a check valve malfunction, I note there are two, a primitive one between the inlet and outlet connections central in the body, and then another more sophisticated one parallel and just above the spool connector clevis.
I will greatly appreciate some assistance and comments if maybe I should look elsewhere.
Thanks,
Erik in South Africa.
 

laurencen

Well-known member
Joined
Oct 3, 2016
Messages
234
are you sure the rod is not bent or seals bad, had a 743 with a bent rod, at a certain point in its travel it would deflect seal just enough to allow fluid past it
 
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ErikBW

New member
Joined
Feb 6, 2024
Messages
3
are you sure the rod is not bent or seals bad, had a 743 with a bent rod, at a certain point in its travel it would deflect seal just enough to allow fluid past it
thanks but I cannot detect any tightness or damage to the spool/rod
 

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