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John Deere Tractors Discussion Forum
:

Maintenance questions on my JD 3020 diesel

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CRracer712

09-10-2019 18:12:12




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I noticed towards the front left hand side of oil pan I'm getting some drips. It looks like the oil pan would be easy enough to remove to replace gaskets, is it?

The rubber boots below my brake pedals, one has a nice knick in it at the top. Is this something that's imperative to repair, if so is it relatively easy to replace those rubber boots?

Looks like I've got a bit of a leak around my rear PTO output shaft. There appears to me a seal in direct contact with it. Is this something that can be replaced with much tear down?

Front cylinder injector appears to be leaking a little diesel on the outside. It's got the pencil injectors. I replaced the rubber hoses to return line a few years ago, they still look new. While running, I could see a all pulse of full. Any ideas?

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CRracer712

09-14-2019 14:54:20




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Changed hydraulic fluid and filter(first time since I bought it in 1999). I've only put ~350 hours on it, old filter was dated February 23, 1999. Checking hydraulic fluid at the stick appeared clean, wiped clean, but wasn't so clean looking in the tub I drained it in. Also pulled out the screen filter, no crib at all in it.

When done, not sure why, but loader and power steering worked smoother than it did, or had since I'd bought it. Occasionally the loader would chatter when moving as if it had air in it.

Also cleaned the oil bath first time. Didn't recall manual showing the 6 screen mesh cones. They were progressively dirtier the further down I went. Not too much gunk in the bottom.

Disassembled the draft link, pins securing telescopic ends were sezed and lots of crud on the telescopic ends, took quite a pull to get them apart.

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CRracer712

09-14-2019 13:18:06




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Quoting Removed, click Modern View to see

IDK, that's why I asked.

Pulled off both 3 point lift arms and the lift links/yokes.

It appears the right lower yoke and the right lift link were replaced by dealer getting tractor ready to sale. Wish they'd done the same with the left side. Looks like I need to replace both the left lower yoke and lift link arm. I could probably get by with left link arm only, but the yoke itself is quite a bit looser on the right side link arm(new one), when compared with the yoke that was on the right side(also new).

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buickanddeere

09-14-2019 12:05:56




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
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Why waste you time and money on an IT manual ? 1-800-522-7448



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Jim.ME

09-14-2019 07:10:46




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
There is a toll free number at the upper left on that site. You can call that and with the info from your tractor they will help you get the proper manual.



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Jim.ME

09-13-2019 17:30:36




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
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I expect the manual at TSC is an I&T manual from the manuals I've seen at TSCs. They help as a back up but I would get OEM John Deere manuals or good reprints first. You should have the Operator's Manual for the best info on normal service and adjustments. The Service/Technical manual will have more repair and specification info. JD has the parts catalogs on line to use for free. You can find the right publication numbers of the manuals for your model and serial number at https://techpubs.deere.com/Products/ProductSearch.aspx. Use those publication numbers in your search, if you don't want to purchase them there, so you get the right ones.

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CRracer712

09-13-2019 16:47:25




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Since no one endorsed the injectors sold here, I picked up a new stanadyne from Iola turbo and diesel. Also a new head seal for my IP, think I nicked mine when I when through it last time.

Ordered a pan gasket from prarie land. Picked up oil/filter and hydraulic fluid/filter.



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CRracer712

09-12-2019 10:16:30




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Anyone know if changing the oil pan gasket is as simple as draining oil, unbolting pan and replacing with new gasket?

How about injector? Any injector better than another(I see them sold on here)? Is this a remove and replace item or is it something that has to have a pressure adjustment?



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CRracer712

09-10-2019 20:38:03




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Tractor supply has a manual for the 3020 <122,999, plus cover others similar. Would that be a very good manual to get?



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SVcummins

09-10-2019 20:24:44




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
Pto shaft seals are easy if you need I can post pictures of the book



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Dieseltech

09-10-2019 19:55:28




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 Re: Maintenance questions on my JD 3020 diesel in reply to CRracer712, 09-10-2019 18:12:12  
If the front leaking injector is after market, good chance the leak is at the braze weld area. Stanadyne #20494 is original equipment part number..



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