Trany or clutch noise: Chinese Tractors -- Jinma Farmpro Agracat  -- Chinese Tractors Discussion Forum and Review Trany or clutch noise: Chinese Tractors -- Jinma Farmpro Agracat -- Chinese Tractors Discussion Forum

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Discussion Boards > Active Subjects > Messages as Posted > Chinese Tractors -- Jinma Farmpro Agracat Forum

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 03-04-2011, 07:43 Post: 177173
jebass



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 Trany or clutch noise

I recently have change all the fluids in my 284 drove it around and recheck the fluids.I have work the FEL and 4x4 pretty hard for about an hour.When I was about done for the day,When I push the clutch in it was making a noise but it ran fine.Its a standard transmission. Noise is only when I push clutch in or out.And I have no schematics for this tractor.Any Ideas thxs ..farmboss 284 2004 {jinma}






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 03-04-2011, 10:21 Post: 177175
greg_g



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 Trany or clutch noise

Normally I'd say throwout bearing. But since you just changed fluids, I'd recheck the gear oil level. There is a bushing in the PTO gear train that historically makes noise when it gets dry. That usually happens on new tractors, and is typically fixed by temporarily overfilling with gear oil. When the noise quits, the excess can then be drained back out.

Yours is not new, but the fluid change may be relative here. Your mid-connect housing/transmission/rear diff all share the same gear oil. But the passages between housings are pretty narrow. As such, it takes a while for gear oil to level out between/among the three compartments. And the colder it is, the longer it takes.

That's a long way around to suggest you double-check your gear oil levels, and top up if necessary. Depending upon how many fill plugs you have, it might be necessary to remove the cover plates for a visual inspection. If that's not the problem, we can revisit the throwout bearing idea.

//greg//






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 03-04-2011, 10:32 Post: 177176
jebass



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 Trany or clutch noise

Ok I'll try that refil idea.But since I have no manual on this tractor could u send me a schematic for the clutch area.I assume I'll have to seperate the tractor to change throwout bearing? And I'll add that I have just read some where else about greasing the throwout bearing and I'll try that to.thxs






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 03-04-2011, 13:32 Post: 177179
greg_g



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 Trany or clutch noise

Jinma typically uses sealed throwout bearings, so I'm thinking lack of grease is probably not your problem. That said, it's still premature to talk throwout bearing until such time as you rule out gear oil level not getting to that PTO bushing.

If that turns out NOT to be the problem, the next step is to open one or both clutch inspection windows. Simple if you don't have a loader frame mounted, aggravating if you do. Once you can see inside, check to see if the throwout bearing case shows any blue coloration. If not, you still reach in and rotate the bearing by hand to see if there's any wobble/resistance/noise.

//greg//






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 03-06-2011, 07:29 Post: 177212
jebass



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 Trany or clutch noise

Thanks man the refill worked well.Every thing sounds good.Greg You Rock






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 03-06-2011, 09:12 Post: 177216
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 Trany or clutch noise

Given that you've resolved the issue, it won't be necessary to go into clutch troubleshooting. But here are a couple of links to related diagrams. As you probably know, the clutchpack bolts onto the flywheel face. So I don't think a diagram is necessary for that. The clutch housing is here:

http://johnstractor.homestead.com/files/ClutchHouse.jpg (copy and paste address into your browser).

The rectangular plates (one on each side) are the clutch inspection windows. If you have a loader, the loader support brackets bolt in place of those covers. The flared area on the right is the bellhousing. That's where you break the tractor into halves for clutch work. Then the clutch system itself is depicted here:

http://johnstractor.homestead.com/files/DualClutch.jpg (copy and paste into your browser).

The throwout bearing is #21

//greg//






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Discussion Boards > Active Subjects > Messages as Posted > Chinese Tractors -- Jinma Farmpro Agracat Forum

Thread 177173 Filter by Poster:
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