AgraCat 2920 Jinma 254 : Chinese Tractors -- Jinma Farmpro Agracat  -- Chinese Tractors Discussion Forum and Review AgraCat 2920 Jinma 254 : 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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 12-10-2008, 13:03 Post: 158496
kalpia



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 AgraCat 2920 (Jinma 254)

First - Merry Christmas to all. I'm in W. Wisc., have a 2003 AgraCat 2920 (25hp/4wd). Great little CUT w/FEL, my issue is the 3-point is slow to raise if it'll raise at all. Qustion - where's the best place to check for hydraulic level and if low what type to add? If level is OK, what should I look for?

kalpia at hotmial.

Thanks






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 12-10-2008, 13:26 Post: 158500
kwschumm



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 AgraCat 2920 (Jinma 254)

Has it become slow to raise with the onset of colder weather?






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 12-10-2008, 13:34 Post: 158501
greg_g



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 AgraCat 2920 (Jinma 254)

Since you're asking this about a 5 year old tractor, I'm guessing you just bought it used. If so, the seller should have provided you with 4 manuals (2 tractor/2 engine). If not, I'd advise contacting a dealer and buy a set.

Briefly, the hydraulic fill/vent is beneath and to the rear of the operator seat. I have to slide mine forward to access it. For your part of the country, I'd recommend AW32 hydraulic fluid. And it's important to confirm that you're buying AW32 hydraulic fluid, not AW32 machine oil. Machine oil will likely foam on you.

But that in itself may not fix your problem. The most common reason for slow to warm up hydraulics is thick fluid. If there's 30 weight in there now, that's at least part of the problem. AW32 is 10 weight. You may need to drain/flush and completely refill with AW32

I'd have to check my book to make sure, but I think the basic capacity is about 6 quarts. Yours will take more because of the loader cylinders and hoses.

//greg//






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 12-10-2008, 13:49 Post: 158503
kalpia



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 AgraCat 2920 (Jinma 254)

I bought this new back in '03 and it was much quicker until about a year ago when I have it worked on. The PTO engage gear came off and I had it fixed. I have noticed that there is some leakage on the shed floor so I may have a bad seal also.

Any other hints? Thanks to both of you for the quick reply.






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 12-10-2008, 14:45 Post: 158505
greg_g



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 AgraCat 2920 (Jinma 254)

There is no relationship between the PTO linkage and the hydraulics. But if the hydraulic sump had to be removed to repair the PTO linkage, that might be the cause of the leak. Any time the sump is removed, a new gasket should be installed. But that should NOT be related to cold weather sluggishness of the hitch and steering.

My SWAG is that the suction screen inside the hydraulic sump coincidentally needs to be either cleaned or replaced. It's clogged when cold, a condition that is conditionally relieved once the fluid thins during warmup

But you've got no manuals at all? And you've managed to get by for 5 years without adding hydraulic fluid? Oh, one other thing - and this isn't really all that important - but you referred to your AgraCat as a 2920. I have a 2003 AgraCat pricelist, it reflects a 2940A, a 2940I, and a 2940T - but no 2920. So I was just curious about the model number. (

//greg//






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 12-17-2008, 08:51 Post: 158614
kalpia



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 AgraCat 2920 (Jinma 254)

Thanks Greg. I thought that the badge said 2920 but can't be sure now, I don't really look at that anymore. Yes, I have the manuals and I haven't had any serious problems with Aggie for a while. I did replace the injector about 4 years ago but that's it. I suspect that you're right about most of this; I think I'll need to flush the system and change the screen when it gets warmer (June). In the mean time I think I'll just add some AW32 to see if that helps.

Merry Christmas and Happy '09 to all






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 12-17-2008, 09:53 Post: 158615
greg_g



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 AgraCat 2920 (Jinma 254)

The lifter capacity is 9 liters. If you have a loader, the total capacity is even higher. So - unless your sump is nearly dry - topping up with a little AW32 isn't likely to make a noticeable difference. Won't hurt, but ain't likely to help.

If you don't use the tractor during the winter - or can afford to wait the necessary warmup time - you might get by till June. But understand that - if that suction screen is badly clogged - pump damage due is possible during the warmup period. For regular winter use I'd suggest draining out whatever's in there, and putting in a fresh fill of AW32. The thinner fluid will have less difficulty getting through a cold/dirty screen. Then come spring you can clean the suction screen and flush the system.

//greg//






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 12-17-2008, 10:10 Post: 158616
auerbach



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 AgraCat 2920 (Jinma 254)

There is a quite comprehensive site called, if I remember right, Chinese Tractor Owners Association.






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 12-17-2008, 10:18 Post: 158617
hardwood

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 AgraCat 2920 (Jinma 254)

As Greg said you my have a pickup screen that is clogged. If the fluid has appeared milky that is a good indication of water in the fluid. A pickup screen will ice over with water and starve a pump. If you can get the tractor in a warm building for several days till everything internally is warm then drain it and replace with new fluid and filters. I have no knowledge of your specific tractor, but check your owhers manual for the instructions on cleaning the pickup screen. Merry Christmas. Frank.






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 12-21-2008, 10:32 Post: 158763
kalpia



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 AgraCat 2920 (Jinma 254)

Well it's definitely a 2920, 25hpx4wd but we all know how casual these things were badged.

Quick questions, under the seat towards the rear is a bolt head that's painted RED and a tube that sticks up with a rubber end. I'm guessing the tube is the breather, is the bolt that's painted RED where I would add the AW32 or can it be added thru the breather?

We just had a little blizard and it's time to move some snow. The FEL seems to work fine as does the PS. The blade on the 3 point is the bugger. It would be much handier if it worked as it should; make that driveway so pretty.

Thanks to all






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

Thread 158496 Filter by Poster:
auerbach 2 | greg_g 5 | hardwood 1 | kalpia 6 | kwschumm 1 |




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