B7800 After market auxiliary hydraulic control

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rcd2acs

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Mar 11, 2017
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Good day all,
I have a question with regards to the auxiliary hydraulic control that is on my tractor (was there when I bought the tractor). This control lever is used to turn the discharge chute on my rear mounted snow blower. Here is the issue...When travelling forward with rpm over 2000 I get a shake/ shimmy in the control assembly once on every full rotation of the rear tire. Is this normal?

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North Idaho Wolfman

North Idaho Wolfman

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The only reason I can logically think of that the hydraulic control valve would shake / shimmy every wheel rotation is that the wheel is physically hitting the hoses off of the valve or hitting the lower three point arms and then those are hitting the lines or the valve.
Check all of the clearances.
maybe get a video of it doing it, post it on you tube then link the video on here.
 
R

rcd2acs

New member
Mar 11, 2017
5
0
0
57
Canada
North Idaho Wolfman said:
The only reason I can logically think of that the hydraulic control valve would shake / shimmy every wheel rotation is that the wheel is physically hitting the hoses off of the valve or hitting the lower three point arms and then those are hitting the lines or the valve.
Check all of the clearances.
maybe get a video of it doing it, post it on you tube then link the video on here.
Click to expand...
Feel like an idiot. There was a build up of frozen mud and ice all around the inside of the tire with one spot being just slightly thicker. As well, there was a small piece of frozen mud on the inside of the fender, soooooo, when the two met, they would rub and transfer the movement to the hydraulic manifold. Cannot believe I didn't think to check before posting. Thanks for your help.

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