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Ford 9N, 2N & 8N Discussion Forum

hydraulics knocking

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Bare

08-22-2005 20:02:00

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With an implement on my tractor and the lift up (off the ground) my tractor makes a knocking sound from the rear of the tractor, possibly the pump. any help would be appreciated. Oh yeah Fluid level is fine.

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souNdguy

08-23-2005 05:37:53

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Re: hydraulics knocking in reply to Bare, 08-22-2005 20:02:00

Under a real heavy load my 8n pump will knock a bit too. I had everything down for a rebuild a couple? years ago and pump looked fine.. rebuilt top cover.. etc and put back together. I imagine it will still be knocking when I'm gone..

Soundguy

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Rick H. Ga.

08-23-2005 04:40:59

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Re: hydraulics knocking in reply to Bare, 08-22-2005 20:02:00

Mine knocked pretty loud when I used the universal Ford hydraulic oil (134?). It quieted down quite a bit when I changed to the 90 wt hydraulic oil. Lift worked better too. HTH. Rick

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Paul K in IL

08-22-2005 22:27:58

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Re: hydraulics knocking in reply to Bare, 08-22-2005 20:02:00

I saw a thread on this and I think it was Zane (our hydraulics expert) that gave the reason for it and said not to worry about it. Mine does it too under heavy load and Zane's word is good enough for me.

Paul K.

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Castorriver

08-22-2005 20:32:22

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Re: hydraulics knocking in reply to Bare, 08-22-2005 20:02:00

I have the same problem with my "49 8N and the experts here told me that was normal, and that it should run like that for years. I don"t worry about it anymore. Mine only happens when I am using a finish or bush hog and I rase the implement two or more feet off the ground. Castor.

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