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Lesser Known Classics Discussion Forum

long 445 hydraulics

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Rivers

05-16-2006 10:29:58




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I changed the hydraulic fluid and cleaned the filter yesterday in my newly acquired long u-445 , it looked milky so I figured it was contaminated . The lift, power steering and 3 point will not work now. I used (carquest) universal 303 tractor hydraulic fluid. does the system need to be bled and if so where can I get this information . My service manual does not say anything about this. help please. thanks

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Jim in NC

05-17-2006 04:47:57




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 Re: long 445 hydraulics in reply to Rivers, 05-16-2006 10:29:58  
There are several things to check. Long hydraulics can be quirky. There is an oval shaped valve with 2 flat sides on the hyd. lift near where the hyd. line connects to the lift. With the tractor running, slightly open this valve until oil flows from it. This will remove air from this line. When you reinstalled the filter, did you notice the flat rubber washer glued to one end of the filter? Sometimes they fall off. I should have mentioned this first. It needs to be there to seal the filter housing. Sometimes, simply raising and lowering the lift control will allow oil to start flowing to the lift. Run the tractor above idle to 1000 to 1200 rpms to encourage the pump to begin pumping. You can also slightly loosen the ps hose at the steering cylinder at pressure side first to remove air. The last time I changed mine, it began working rather quickly without much persuasion. Good luck with your tractor.

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Rivers

05-17-2006 11:29:26




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 Re: long 445 hydraulics in reply to Jim in NC, 05-17-2006 04:47:57  
Jim, Thanks for the quick response. I bled the power steering and that fixed the problem . Now I am faced with the fact that after changing the fluid it is still milky looking & @ $6.00+ per gal it looks like a flushing is going to be an expensive ordeal. Do you know of an economical way to remove the water but retain the fluid? Is there a special procedure for bleeding the system? thanks again

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FN

05-18-2006 03:05:43




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 Re: long 445 hydraulics in reply to Rivers, 05-17-2006 11:29:26  
SeaFoam makes a product that should remove the water. It's used just before changing to hydraulic oil. Pour a can in and run until the oil is up to temp. It's suppose to trap the moisture in the oil so it can be drained out.



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Rivers

05-18-2006 08:16:47




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 Re: long 445 hydraulics in reply to FN, 05-18-2006 03:05:43  
FN Is Seafoam a brand name etc & Where is it available ? Thanks



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FN

05-18-2006 20:46:21




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 Re: long 445 hydraulics in reply to Rivers, 05-18-2006 08:16:47  
I was in a hurry when I made that last reply. So I'll try and makke a link to the product.


When a power steering system or power steering pump must be flushed before installing a new rack and pinion or power steering pump and to maintain the warranty on the new rack or pump – this is caused by a worn out rack and pinion system or power steering pump that must be replaced.

Your service technician can provide a SEA FOAM TRANS TUNE power steering flush that cleans the power steering pump, hoses and complete system before installing a new rack and pinion or power steering pump. This flush will insure the manufacturer’s warranty and extend the life of the power steering pump and new rack & pinion.

When hydraulic systems and hydrostatic transmissions have moisture problems – this is caused mostly by condensation.

Your service technician can provide a SEA FOAM TRANS TUNE treatment that will remove the moisture problem without changing or loosing the existing oil.

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Rivers

05-19-2006 09:24:43




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 Re: long 445 hydraulics in reply to FN, 05-18-2006 20:46:21  
Thanks for the info. We have a NAPA store here so I will try that route and see what happens and will be sure to let youll know the results.



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FN

05-18-2006 10:51:10




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 Re: long 445 hydraulics in reply to Rivers, 05-18-2006 08:16:47  
Yes that's the brand name. I buy it at a local NAPA store. They have one that's a fuel addative and another for transmissions. The one for transmissions will pull the moisture in to the fluid so it'll drain out when you pull the plug.



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Jim in NC

05-17-2006 18:31:46




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 Re: long 445 hydraulics in reply to Rivers, 05-17-2006 11:29:26  
I am faced with the same problem with moisture in the system. I changed mine a year and half ago and still had the milky oil shortly thereafter. I worked on mine today. I drained about half of the oil and put kero in its place. Here, kero is $2 to $2.50 per gallon. I will use it lightly for a few hours then change it again and clean the filter. I will use the old oil and kero mix to start fires in the stove next winter. There is a vent on top of the transmission cover. Check to see if yours is not plugged. I keep mine under a shed. To make it more perplexing, I have a 360 that has not been changed in several years and the oil looks great. I can't figure this one out.

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Rivers

05-17-2006 20:38:35




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 Re: long 445 hydraulics in reply to Jim in NC, 05-17-2006 18:31:46  
What Type of hydraulic fluid do you use. some one left a bolt out of the tranny cover. are you talking about Kerosene ? I am in Texas and Longs are scarce out here but should be what I need around here. thanks Jim



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Jim in NC

05-18-2006 03:46:59




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 Re: long 445 hydraulics in reply to Rivers, 05-17-2006 20:38:35  
Yep, kerosene. I happened to have some on hand. You could use diesel fuel as well. From the post above, we could use seafoam. I may look into that. Longs were assembled in Tarboro, NC. I have a dealer about 20 miles from me. One guy there is pretty knowledgeable on Longs. He used to work on them. I know its a long haul from Texas to NC, but I can send you his phone number if you would like. I know of one or two websites you can order Long parts from. You might find a dealer by going to Farmtrac.com. Farmtrac replaced the Long Agribusiness name.

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ffoushee

05-21-2006 02:31:26




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 Re: long 445 hydraulics in reply to Jim in NC, 05-18-2006 03:46:59  
I have a 445. My measure dip stick right behind the transmission bolts is not showing any fluid. Is this the hydraulics measure. Where is the fill cover?

I last used mine with a bush hog off the pto and could not start the engine and then get the lever to allow me to move the lever into the active position with the clutch in. Is this normal or is there something wrong? The engine did not seem to start easily with the pto active. Any ideas. Thanks

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Jim in NC

05-21-2006 04:20:20




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 Re: long 445 hydraulics in reply to ffoushee, 05-21-2006 02:31:26  
The dip stick on top of the transmission measures the hydraulic oil level. The fill plug is located on the transmission cover near the gear stick. Universal tractor hyd. oil or R&O oil or even 30 weight non-detergent motor oil can be used. Since it is as low as it is, I would drain what is left in the system and add all new stuff. The drain plugs, 2 of them, are on the underside of the transmission. It will take about 4 gallons to fill it. Also, clean the hyd. oil filter. It is located in oil line just below the starter. I use gas and a brush, let it drain, then blow off with compressed air. Watch the removal and replacement of oring and rubber washers. On the pto clutch, it may just need to be adjusted. It is not hard to do, but it is difficult for me to explain in the space here. There is an inspection plate on the right side of the transmission. The adjustment can be made from here. When you put pto in gear, slow tractor to idle speed and wait a few seconds for transmission to slow. Push clutch ALL THE WAY DOWN until it bottoms out. I have used several Longs over the years and most all of them grind or scrape some when engaging the pto. Longs have a personality of their own, and sometimes oone has to learn what works better for his own tractor. If you want to try the adjustment thing, send me a phone number and a good time for me to call you-preferably at night after 9PM-(haying season is here) and I'll get out my manual and go over it with you.

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