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Discussion Starter · #1 ·
I bought a new 2377 in june of 05, first year no problems, that winter dealer did seasonal check. Beginning of the fall harvest in 06 the first day of doing soybeans a fan blade broke wiping out the radiator and aftercooler, (300 hrs)my dealer replaced all three plus put on a new bearing assembly. I ran the rest of the season and all of 07 with no problems. last winter I had my dealer do the seasonal check and it all looked good, today I started to harvest corn, I did about 400 bushels and it does it all over again (800 hrs). We even checked after the first time to see if the fans hits the shroud and it showed no signs of being hit, a blade did hit it today but it won't need replacing. Has anyone shared the same problems or have any idea what could be doing this. I traded a good 1680 with 3000 hrs that ran awsome, I traded for new hoping to eliminate many breakdowns but this machine seems to have its share of them.......
 

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Discussion Starter · #2 ·
I should have also stated that the first time the fan blade broke the bearings felt tight and tight this time on the preseason check but when I saw the damage today I was close enough to the house to hose it off, after that I really haven't wanted to look at it much, yet check to see how the bearings feel this time, the dealer hopes to be here by Tuesday afternoon to fix it..........
 

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Discussion Starter · #4 ·
Jeff thank you for the info, this is what I needed to find out, I will be going with the plastic one, I wonder why case didn't do like a "recall" on the metal ones and switch them to plastic after seeing what they do often with low hours...
 

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Discussion Starter · #5 ·
Jeff, it would be helpful if you could get me that service bulletin #, I would think my dealer should know about it but incase they don't I can give it to them. this will be the combine's 3rd rad in 800 hrs, I hope we can get it rite this time and continue on with harvest......
Thanks,Joe
 

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The metal fan is known to crack and break usually at low hours. When the 2377/2388 got the common rail engine they went to a plastic fan. You need to install a plastic fan which comes off of the cotton picker along with the updated drive belt. There is a service bulletin out that shows what all is needed to install it. The plastic fan on current production machines is 4 inches smaller in diameter than what your metal fan is. That is why the cotton picker fan is used, it bolts right on and is the same diameter. If I remember correctly there is a plate that bolts to the fan to keep dirt from building up, and the fan drive belt was changed for the added force on the cotton picker fan, I think it has more blades.

Ask your dealer about it, and if not I can get you the service bulletin number to give to them. It just came out this spring or early summer.

Jeff
 

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Discussion Starter · #10 ·
No it doesn't engage hard, I only engage it at about 1/3 throttle. If you were thinking the engine twist on it mounts and hits the fan shroud, I checked for that but through 2 fans blowing apart don't ask me how but the fan never touched the shroud, I guess I was lucky as far as that goes.........
 

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In this case it is the fan itself. It only affects MY03 through MY 05 2377/2388 machines. The prior years had a metal fan, but they were different as the radial air screens were on the back. The newer models went to a plastic fan. You do bring up a good point though, if you keep going through fan shrouds take a look at the motor mounts, along with fan shroud problems you can encounter seperator belt failures as the engine/PTO gear box is moving around and the belt tracking gets off.
 

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FYI, the 2002 models also had an issue with the cooling fan. Seems the mount was under sized and would eventually break. The replacement part is stronger and has larger bolts.

We had this mount break on us a couple years ago. In our case, the fan moved, got hooked on the shroud, and then the belt got hot. Had some flames, but fortunately we caught it in time.

-Lance
 

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Anybody have a part # for the plastic fan from the cotton pickers? We have a 2005 2377 with marks on the fan.
I wondered what caused that, looks like somebody tried to stop it with a screwdriver.
Did Case cover the replacement fan? We are definitely out of warranty, but only 700 hrs. on machine
 

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If I remember right Case had a service letter in which the 2005 2377s had an issue with overtightning the engine mounts, buckling the spacer and causing the engine to shift under a load causing the fan to hit the shroud. Just take the bolt out of each mount one at a time and see if it is damaged.
 

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Discussion Starter · #15 ·
We did get the new radiator and after cooler put in and the fan for the cotton picker never showed up on time so my dealer took a new plastic fan from a 2588 to get me running again, the fan was 4" smaller in dia but it worked fine, I watched the temp guage all day and it stayed rite where it should have, if they get done a job in time today they will be back with the rite fan now that it came in. So far I have no idea if case will cover this or not, they did the first time and I feel they should this time as well since they recognized there is a problem with the metal fans....

And red9390 I would not run the machine until you replace the fan at this point, I don't know what the part # is but call your dealer and get it done ASAP!
 

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34 inch plastic fan part number is 87304885.
87573769 is the part number for the shield used to help reduce the amount of build up on the plastic fan hub.
87755884 is the part number for the beefed up fan drive belt.

Hope this helps you out.

Jeff
 

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Discussion Starter · #17 ·
The first time the fan broke the altenator went shortly afterwards and its happened again! I wonder if there is something in the antifreeze that is very corrosive to the internals of the altenator. I can't remember the brand of antifreeze but it is the blue colored type.......
 

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Got the fan and the shields, looked like a simple change.

The shields did not fit in the fan, left them out. The fan hit the shroud on the 6-8 o'clock position on the shroud.

Called dealer, said " Yeah, the mount bushing might be crushed from overtightening at factory. No, it is not a warranty repair according to the service bulletin, no we did not inform you of this when the combine was under warranty. We have replaced lots of fans (and radiators) on those combines, but always put steel fans back in."

Shroud would not adjust to get centered with fan. Shroud replacement is major work, as it is one piece. Motor mount fix requires lifting the engine about 8" to get the damaged bushing out to replace with new one (lots of work and overhead lift required).

So... I got the angle grinder and widened the shroud. I hated to do that to shiny paint, however, the new plastic fan was marked on the first run in the yard with separator engaged.

Very frustrating. This is a dealer with 10 locations in Illinois and this is the first plastic fan replacement they have ordered.

Hope this stops the potential breakdown.
 
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