885 hydraulics

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sail-william
Posts: 29
Joined: Wed Jul 03, 2013 5:56 pm
Location: Cheshire

885 hydraulics

Post by sail-william » Tue Oct 08, 2019 2:42 pm

Hi
I have a problem with the 3 point linkage on my 885. The linkage works perfectly when the selector dial is in the TCU position I.e.the lift,hold and lower work as they should.However when selector dial is moved to the height position the linkage lifts to its full extent without any control. i have adjusted the shimming adutent plate and the control link which has made no difference.I have checked the hold and by-pass plungers which seem to be in good condition and not sticking.I have checked the spool valve with a dial indicator the spool valve lifts as the control lever is pushed forward,but this does not stop the linkage from lifting.I have disconnected the depth control parts for simplicity as I no longer do any field work.
Any help with this problem will be greatly appreciated. Thank you
Cheers S-W

ALANJ
Posts: 50
Joined: Wed Oct 11, 2017 9:13 pm
Location: Co. Durham

Re: 885 hydraulics

Post by ALANJ » Tue Oct 08, 2019 3:27 pm

Suggest you click on " The Selectamatic Hydraulic System" which will give the current address for the system operating principle and a fault finding sequence.This should help in the first instance.AJK.

User avatar
sail-william
Posts: 29
Joined: Wed Jul 03, 2013 5:56 pm
Location: Cheshire

Re: 885 hydraulics

Post by sail-william » Fri Oct 11, 2019 10:26 pm

Thank you for replying Alan. I have discovered that the problem was a mis setting of shimming the adutent plate
Cheers sail-william

ALANJ
Posts: 50
Joined: Wed Oct 11, 2017 9:13 pm
Location: Co. Durham

Re: 885 hydraulics

Post by ALANJ » Sat Oct 12, 2019 9:07 am

Pleased you have solved the problem and thank you for the acknowledgement. It is very rare and greatly appreciated. Thank you, AJK.

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