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Old 05-28-2006, 08:53 PM   post #1 of 29
NapalmDeath
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Default L111 problem

Hi, first time poster here. I have a L111 automatic that's less than a year old that has developed a noise problem. What happens is that when the left pedal is held down everything is normal. However, when I lift off of the pedal a loud rattling/grinding type of noise occurs when the blades are either engaged or not. I suspect maybe it is the upper belt banging around? I really don't know. I fiddled with it for a while but cannot determine what is wrong. I would like to avoid having to either pay to have it picked up and serviced or having to buy ramps and bring it to the dealer if possible.
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Old 05-29-2006, 05:52 PM   post #2 of 29
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Default Re: L111 problem

Sounds like the drive belt has come off the idler pulley, or spring on the idler pulley may have let go. Time to get the manual out and do a little reading try the trouble shooting section...

Good luck

Last edited by Mower_Man42; 05-29-2006 at 05:56 PM.
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Old 05-29-2006, 08:19 PM   post #3 of 29
NapalmDeath
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Default Re: L111 problem

Quote:
Originally Posted by Mower_Man42
Sounds like the drive belt has come off the idler pulley, or spring on the idler pulley may have let go. Time to get the manual out and do a little reading try the trouble shooting section...

Good luck
It will operate in forward/reverse but it's real noisy. Also, I looked through the manual but the only thing mentioned about belts is the mower belt.
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Old 05-30-2006, 10:39 AM   post #4 of 29
pefer
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Default Re: L111 problem

With the seat switch activated, someone on it.
Blades off - off course!
Parking brake off, lay on ground have a look at the drive belt, specially at the tensioner assembly, you'll likely see that thing rattling away. Watch your hands/fingers, don't poke anything while it's running!!!
Also make sure the person on the tractor does not press the drive pedals!

I adjusted my L118 TRACTOR by placing a few nylon washers between the rods and the assembly, greased up the link points >>> good results, eliminated moist of the racket that was going on down there.
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Old 05-30-2006, 10:58 AM   post #5 of 29
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Default Re: L111 problem

Quote:
Originally Posted by NapalmDeath
Hi, first time poster here. I have a L111 automatic that's less than a year old that has developed a noise problem. What happens is that when the left pedal is held down everything is normal. However, when I lift off of the pedal a loud rattling/grinding type of noise occurs when the blades are either engaged or not. I suspect maybe it is the upper belt banging around? I really don't know. I fiddled with it for a while but cannot determine what is wrong. I would like to avoid having to either pay to have it picked up and serviced or having to buy ramps and bring it to the dealer if possible.
This is interesting...there's a fella posting over in the Craftsman forum with similar problems. Hmmmmm..wonder if the hydro's are made at the same manufacturer.

Hydro rattle noise
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Old 05-30-2006, 01:48 PM   post #6 of 29
NapalmDeath
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Default Re: L111 problem

Quote:
Originally Posted by Argee
This is interesting...there's a fella posting over in the Craftsman forum with similar problems. Hmmmmm..wonder if the hydro's are made at the same manufacturer.

Hydro rattle noise
??? No offense intended, but the problem isn't similar at all. Mine makes a noise as soon as the pedal is released with the tractor moving or not. The noise is the same weather it's stationary, moving across flat ground, or traveling uphill. It' somehow related to the drive belt, but it sounds like it's coming from the front of the tractor. I'm guessing maybe a bad pulley up front???
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Old 05-30-2006, 01:51 PM   post #7 of 29
NapalmDeath
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Default Re: L111 problem

Quote:
Originally Posted by pefer
With the seat switch activated, someone on it.
Blades off - off course!
Parking brake off, lay on ground have a look at the drive belt, specially at the tensioner assembly, you'll likely see that thing rattling away. Watch your hands/fingers, don't poke anything while it's running!!!
Also make sure the person on the tractor does not press the drive pedals!

I adjusted my L118 TRACTOR by placing a few nylon washers between the rods and the assembly, greased up the link points >>> good results, eliminated moist of the racket that was going on down there.
Did the problem with yours develop all of a sudden or did it get progressively worse over time?
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Old 05-31-2006, 10:49 AM   post #8 of 29
pefer
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Quote:
Originally Posted by NapalmDeath
Did the problem with yours develop all of a sudden or did it get progressively worse over time?
Since new it did make some noise, but it in fact it did get worse over time. I suppose things seating themselves and creating some slack. Or by the fact that I was aware of what was going on... I noticed it even more!

fyi: neighbors L120 also does the same noise, same spot.

I guess it can be considered normal, when the deck blades are engaged, that drowns out all other noises, perhaps that corrects the issue. :lb5:
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Old 05-31-2006, 10:58 AM   post #9 of 29
darimont
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Default Re: L111 problem

I also have a L111 that was making a rattle noise that was coming from one of the idler pulley's on the drive belt. The bearing in idler was bad causing the whole drive tension plate to rattle. Mine was less then a year old also. I just took it off and went to my dealer and they gave me a new one under warrenty. So you may want to check them.

Last edited by darimont; 05-31-2006 at 11:01 AM.
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Old 05-31-2006, 11:58 AM   post #10 of 29
NapalmDeath
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Default Re: L111 problem

After looking over a copy of the John Deere Technical Service Manual that Michael sent me I believe that my L111 also has a bad Idler Pulley. This weekend I hope to tackle the problem again.
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Old 05-31-2006, 03:21 PM   post #11 of 29
darimont
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Default Re: L111 problem

NapalmDeath,

I responded to your message.

There are two pulley's on the tension plate, one has a V groove and one is flat. The V groove one is the one that went bad on mine. I took the bearing seal cover off of mine and it was full on rust and chewed up.

Dan

Last edited by darimont; 05-31-2006 at 03:26 PM.
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Old 06-01-2006, 01:49 AM   post #12 of 29
NapalmDeath
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Default Re: L111 problem

Quote:
Originally Posted by darimont
NapalmDeath,

I responded to your message.

There are two pulley's on the tension plate, one has a V groove and one is flat. The V groove one is the one that went bad on mine. I took the bearing seal cover off of mine and it was full on rust and chewed up.

Dan
Thanks Darimont, that helps me alot. I'm going to try and look at it tomorrow or over the weekend. One more question though. Does the Dealer stock Idler Pulley's or was it a special order item?
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Old 06-01-2006, 08:36 AM   post #13 of 29
darimont
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Default Re: L111 problem

My dealer had them in stock. You can go to the J.D. web site and look up the part number, then see if its in stock at your dealer. The site will list dealers close to you and show you the ones that have it.

Dan
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Old 06-01-2006, 01:47 PM   post #14 of 29
NapalmDeath
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Default Re: L111 problem

Well I just finished working on the Tractor and it's as good as new! I couldn't be happier that I didn't have to bring it to the dealer and wait amonth to get it back. I started this morning working on on by driving it onto my ramps and went right to the two Idler pulleys that are mounted to the Idler plate. First I removed the V Idler inspected it and put it back on as it appeared to be in good condition. Then I got to the Flat Idler Pulley. After removing it I immediatly noticed that the drive belt had somehow burned/melted a hole partialy through the pulley. I imagine that because the Pulley was in such bad shape that it was causing the Idler plate and drive belt to vibrate excessively? I don't know what caused this to happen except maybe a foreign object had been stuck in there briefly?
I called the closest JD dealer and he said he had one in stock so off I went for a new Pulley. 5 minutes after returning home I had installed the new Pulley and finally she's good as new and running quiet. Thanks people for all your help, Darimont especially.

Last edited by NapalmDeath; 06-01-2006 at 01:50 PM.
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Old 06-01-2006, 02:14 PM   post #15 of 29
darimont
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Default Re: L111 problem

NapalmDeath,
I'm glad I could help.

Mine would stop spinning once and awhile and the belt melted a good chuck of plastic off of it.

I bet if you where to pry the seal cover off of the bearing that it would be rusted inside. I did notice that if water gets on top of these pulley's that it will sit there. There is no way for it to drain off execpt to run it and let the water fling off. If you wash or hose down your tractor try not to spray in these areas.

Dan

Last edited by darimont; 06-01-2006 at 02:19 PM.
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