New to the forum, need help from the experts.

[Toast]

Hello All. New to the forum here and have a need for some expert advice. I trust I'm in the right place.

I have an L3560 I bought here a few years ago. Had 88 hours when I bought it, and now has 149 approx. No issues until now.

So here is the deal. this has been happening for the last 4 times I have used it, which is much more lately given the recent lock-down and my time spent at home. It runs good for about 2 hours, doing loader and box work on level ground. Then out of now where it will "de-rate" the power, reduce RPM to about 1200, then back up to the 1700 I have the throttle control set at. This happens about every 8-10 seconds. It doesn't seem to miss fire, it just seems to de-rate the power, then back up. This repeats until shut down. As this progresses it can get worse by dropping further down in RPM. When under load it seems be more frequent.

Being that I have been using this on the weekends, it has the week to set and not run. So it does not do this right away, it takes 2 hours as mentioned. It also takes a long time to start now. Numerous attempts at cranking before it starts. I will tell you that it is tougher to start when it is warmed up.

At my dealers recommendation, I have done the following last week on Saturday:

- Checked the fuel/water separator. Been doing that all along, but removed screen, was clean like brand new.
- I removed a fuel line off of the fuel pump to ensure when ignition is on it delivers fuel, it does.
- Replaced the main fuel filter.
- bleed the fuel system, done.

I attempted to start it up, took a few attempts, but did start.

I let it run at 1700 RPM for 20 minutes, then throttled down and shut it down. It started right up. I though all was well with the world. It ran great for two hours and then same crap all over again.

- I cracked the fuel cap to see if it was a vacuum issue, but it didn't make a difference.
-- It was at 1/2 tank, so I fulled it up, made no difference.

Parked it and swore at it, walked away.

Tried to start it Sunday AM, took a bit but it ran. Bleed the fuel system again and it ran good for 2 hours, then the issue came back.

Called the dealer and they don't know what to say now and I'd really like to take care of this while its here instead of bringing it to them and all that hassle that goes along with it.

Any ideas, suggestions or insight is appreciated and thanks in advanced for that.

 

[i7win7]

Sounds new enough to use DEF and regens. Double check owners manual may need a parked regen cycle.

 

[BigG]

A lot of the time you can not look at the filter and see any type of problem. I would first add a "diesel fuel dryer" to the tank. You can get it at Wally world or an auto parts store. Get one for diesel fuel and not the gasoline type. Add it to the tank and let it run. If the tractor dies or slows down again change the filter. I have changed the filter 3 times in one day but it ran fine after the third one.

 

[budice81]

have read that there has been some issues with the egr being so close to exhaust it gets hot . seen it posted on here , gonna have to do a search l3560 egr here.

 

[sheepfarmer]

You should be seeing some kind of error code on the Intellipanel. What is it?

Take care with fiddling with the fuel supply. It is different from older tractors due to high pressure common rail, so procedure on an old tractor could cause additional problems. Do you have a work shop manual for it, or operators manual?

 

[Toast]

You should be seeing some kind of error code on the Intellipanel. What is it?

Take care with fiddling with the fuel supply. It is different from older tractors due to high pressure common rail, so procedure on an old tractor could cause additional problems. Do you have a work shop manual for it, or operators manual?

Thanks for the reply. I have the owners manual and followed the bleeding procedure to the T.

Ill look on the Intellipanel in the AM.

 

[Toast]

Well, after an attempt to see if there were any codes, (don't know why that's so difficult for me as I couldn't see them) then clearing what may have been there, and then some diesel fuel dry treatment, it ran fine both Saturday and Sunday. No issues what so ever, never thought it'd be that simple, or maybe there is something still wrong with it, but isn't showing any issues.

Thanks for the advice everybody.

 

[Tornado]

I would be curious, if before this all started, did you have diesel sitting in the fuel tank for an extended period of time? You mentioned you were at a half tank in the OP and so you topped it up, but how long had that fuel been in the tank? Do you treat your fuel with anything on every fill up? If the issue is gone, it would seem you likely touched on the issue- potential fuel contamination.

I might would run a shock level treatment of biocide in the fuel just as another measure, to make sure you have no sludge/algae in the fuel system. Its cheap and good insurance. It only takes a tiny bit, just an ounce or less per 10 gallons of diesel, and it will kill any algae and prevent any algae from forming.

 

[Toast]

I would be curious, if before this all started, did you have diesel sitting in the fuel tank for an extended period of time? You mentioned you were at a half tank in the OP and so you topped it up, but how long had that fuel been in the tank? Do you treat your fuel with anything on every fill up? If the issue is gone, it would seem you likely touched on the issue- potential fuel contamination.

I might would run a shock level treatment of biocide in the fuel just as another measure, to make sure you have no sludge/algae in the fuel system. Its cheap and good insurance. It only takes a tiny bit, just an ounce or less per 10 gallons of diesel, and it will kill any algae and prevent any algae from forming.

Thanks for this reply. Yes it sat for a while, few months and then a few months before that. I put some additive in it that I run in my Powerstroke. Its Lubrication Engineers winter mix, but this is not biocide.

Any brand you recommend?

 

[Tornado]

Thanks for this reply. Yes it sat for a while, few months and then a few months before that. I put some additive in it that I run in my Powerstroke. Its Lubrication Engineers winter mix, but this is not biocide.

Any brand you recommend?

so many months it sat with half a tank of diesel in the tank. This is the likely culprit, this combined with likely where it was sitting, temperature changes in the environment etc, likely caused condensation in the tank, and so you had water in the fuel it seems. This is also creates all the ingredients for diesel algae to start growing in the tank and can cause additional issues at it clogs fuel lines and can cause the engine to be starved of fuel. I would 100% put a biocide in the tank before I ran the tractor any more if it was me, just to make sure.

Im linking here what I have personally been using. There are a few good biocides out there, this is the one I decided on. I use it in every single tank fill up. It takes literally just a few drops...Its a very low dosage, so one bottle goes a long way.

https://www.amazon.com/Biobor-JF-Di...biocide+diesel+additive&qid=1588014836&sr=8-9