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Also sorry I miss read the suction screen info. I do not see one on this unit. I haven’t removed the suction hose yet to see if I can come up with something for it. This machine is a 2002 found on the engine tag.
Several improvements have been made since your tractor was built, but I haven’t seen an oil cooler yet. I don’t think it would be too difficult to install an oil cooler and suction filter in between the radiator and front screen guard low down.
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I cannot find anywhere that Traveler UTF oil is rated by the American Gear Manufacturers Association (AGMA), however, ISO AW 46 and 68 hydraulic oil is. Another curiosity about the traveler oil is the Cat TO-2 rating – which one? For me there are too many unanswered questions and curiosities about the Traveler oil. Use at your own risk. I would use your ISO AW 46 hydraulic oil if you can’t find any ISO AW 150 or 220 Machine Oil.
There should be a sight glass in the left side reservoir, as well as a return filter.
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In hind site… I wish I videoed the tear down and re assembly to post on You Tube. There is just nothing out there for assistance. Might have been able to help someone else too.
I’m set up with a GoPro to produce a maintenance video soon.
Looking forward to your videos. You took some very good pics.
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I had to heat the nut with a torch then pry gear backwards to remove it. I pulled shuttle clutch out and rinsed it in my parts cleaner then again with break cleaner and a blow gun just in case there was any metal there. The screen you mentioned is not on the top plate and the suction hose on the bottom of the case is a single bolt through the center of the line to the case. Should there be a screen there some where?? All bearings roll smooth and I filed the rough edges of the gears due to the nut bouncing around in there. I think due to the large size of the nut, it only nicked up the outside of the shuttle clutch. Is the hydraulic pump difficult to open and clean? Also, why isn’t there a cooler for the shuttle clutch. It gets pretty hot. Can I add one between the suction line and the pump somehow?
It’s good that nut didn’t find it’s way into the gear mesh. Geez! Good work.
Ok, about the suction screen; I didn’t find where I said it was in a top plate. I said a three bolt flange on the bottom right side of the shuttle clutch housing. Apparently yours is different. In the picture I posted you can clearly see the screen laying horizontally inside across the bottom. If you don’t have a suction screen or filter before the pump, I strongly suggest installing one.
Oil cooler; Does your shuttle clutch have a hydraulic accumulator in the left saddlebag, and does it utilize the left saddlebag reservoir? These would be found on most later models, 2004 and up. Also, using the correct oil will make a difference in the operating temperature.
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The sediment bowls are a time proven method of allowing fuel to decant, allowing water and moisture to separate, and do some primary filtering through the screen. You won’t always see sediment unless it’s heavy and sinks, but since water is much heavier than fuel you will always see it in the bottom of the glass if it’s present.
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Found the problem. Engines out found square nut stuck in the idler gear against side wall. Took pry bar and rolled it back to free it up. shuttle clutch is fine. nicked up from the nut floating around until if found its way home. Nut had to be purpose left in there. Absolutely no bolts or nuts in the entire assembly. I will post pics later… cant make them small enough on my lap top.
Excellent! How do the input shaft splines look for full engagement?
Yeah, you got lucky. Some yokel has been in there before, you can tell by the lack of gaskets, the overabundant use of RTV, and the use of automatic transmission fluid (ATF).
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Also Bob… there wasn’t a screen on the top of the shuttle clutch cover fill hose plate. Doesn’t look like it was ever there.
The screen is in the sump, right side bottom of housing.
The one manual seem very detailed about removal of the shuttle clutch, but the illustrations are missing that each step refers to. Is this how it shows for you?
As I originally stated, I have never been into one of these so I don’t have any personal knowledge of them, but according to the parts manual that does appear to be the “Forward” clutch pack, which has the #1 input shaft.
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Yep. “Diesel Bugs” are very real, and diesel engines aren’t their only target. Ultra large fuel tank farms and storage/holding facilities, oil fired boilers, gas turbines as found in ships and airplanes. Virtually anything that uses sulfured fuel oil.
https://en.wikipedia.org/wiki/Microbial_contamination_of_diesel_fuel
http://www.biobor.com/fuel-additives/diesel-fuel-additives/
And I hope you didn’t throw that screen very far (that was a very ignorant statement the Nortrac tech made) because that is there for a reason – it traps the “elephants”. Consider it the primary fuel filter, even though it isn’t. There is also a small plastic screen within the banjo fitting on the suction side of the lift pump. The spin-on filter you see is actually the secondary fuel filter, and it catches contaminants only down to about 15-20µ, but it does not trap water and the smaller bugs will go right through it. If you live in a high humidity area and have a storage tank I strongly advise installing a coalescing filter on your storage tank such as a Goldenrod Water-Block Filter.
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if the transmission gear shifters are in neutral, shouldn’t the shuttle clutch spin free? This Is why im torn on where to look. I started working on pulling engine this afternoon. Can I see this input shaft under the shifter cover? I had it off but did not see anything obvious.
I believe it should, but if there are damaged clutch packs I doubt it would. It could be locked up in forward and reverse. It also requires about 30-60 psig from the forward hydraulic pump to operate. The input shaft will be present when you pull the engine. In the lower picture you can see the suction screen at the bottom of the case.
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