Regeneration Mode

[lightguy]

I have 100 hrs. on my Kubota 3350. At 85hrs it went back to the dealer for a recall on the regeneration system. I also had the first service done on it. I still do not understand how this thing works and how long regeneration takes wine the lights come on flashing, it seems like it takes way too long and I give up waiting. today it when into park regeneration mode and the beeper started going off. I parked it and ran it wide open for 15 minutes. Like I said I gave up and put it back int he garage. Can Anyone explain what I should be doing when the lights come on in plain english? The manual is confusing.
Also if you have an enclosed cab model as I do, when you use the cruise control, the noise level is deafening, is this normal?

 

[C4Ranch]

Can't help on regen.

Does your cruise work like mine with a lever next to the range selector?

I can engage mine pretty much at idle so not sure how it deafening.

 

[truckdiagnostics]

Not allowing a regen to run or complete is not a good idea. Here is the reader digest version. The muffler that is as big as a house now, well that is not really a muffler anymore. It is your Diesel particulate filter(dpf). Like any filter over time it plugs up and when it plugs up you loose horse power because you have an exhaust restriction. The engine ecu measures the drop a crossed the filter, when it gets to a predetermined number the ecu calls for a filter regeneration.

Now here is the part that is messed up. They filter out the exhaust soot catching it in the filter, hence lowering exhaust emissions, or at least when they are running the test. When the filter starts to plug up it must be cleaned, that is call filter regeneration. Basically, they burn the soot off the catalyst in the filter and blow it out the exhaust. In order to do this they have to bring the engine rpms up, spool up the turbo, so the catalysis gets red hot they inject diesel fuel and off the soot goes into the atmosphere. I have not run a regen on your engine, but it can take up to 45 min.

It sounds to me like you are not giving yours enough time. Typically the ecu takes over and runs the regen, you just leave it alone the ecu will bring up rps and signal when it is done. On some engines your touching of the throttle cancels the regen. Don't know the particulars on your engine, but you need to get it to complete the regen or you are going to run into problems. On some vehicles you can manually start a regen, look at you ops manual and see if this is possible. Make sure out side and keep in mind that exhaust is going to get real hot.

 

[fishman]

I just gained a whole new appreciation for my 2001 model 2910.

 

[robstaples]

I have only been able to do parked regens. Brake has to be on and transmission in neutral. Throttle at minimum. Then ecu takes over and runs it up to 2500 rpm for about 20 minutes. Then cool down. Hopefully it works. Last time , I had to do two in a row to clear alarm. I'm at 40 hours.

 

[stoyan79]

This is messed up???

Am I not understanding how it works, or basically, instead of blowing the soot in the atmosphere over time, it collects it, and blows it off every so many hours by revving the engine and injecting diesel fuel in the exhaust system???

That makes no sense, how is that any greener???

Not to mention the machine is less efficient until regen.

Not allowing a regen to run or complete is not a good idea. Here is the reader digest version. The muffler that is as big as a house now, well that is not really a muffler anymore. It is your Diesel particulate filter(dpf). Like any filter over time it plugs up and when it plugs up you loose horse power because you have an exhaust restriction. The engine ecu measures the drop a crossed the filter, when it gets to a predetermined number the ecu calls for a filter regeneration.

Now here is the part that is messed up. They filter out the exhaust soot catching it in the filter, hence lowering exhaust emissions, or at least when they are running the test. When the filter starts to plug up it must be cleaned, that is call filter regeneration. Basically, they burn the soot off the catalyst in the filter and blow it out the exhaust. In order to do this they have to bring the engine rpms up, spool up the turbo, so the catalysis gets red hot they inject diesel fuel and off the soot goes into the atmosphere. I have not run a regen on your engine, but it can take up to 45 min.

It sounds to me like you are not giving yours enough time. Typically the ecu takes over and runs the regen, you just leave it alone the ecu will bring up rps and signal when it is done. On some engines your touching of the throttle cancels the regen. Don't know the particulars on your engine, but you need to get it to complete the regen or you are going to run into problems. On some vehicles you can manually start a regen, look at you ops manual and see if this is possible. Make sure out side and keep in mind that exhaust is going to get real hot.

 

[dpb800]

When they inject fuel it is used to create a hot fire and burn up the soot. Soot is from incomplete combustion and is made up of partially burned fuel.

 

[oosik]

Man, OH, Man - - I, also, am so glad to have a 2009 M6040. It is more than obvious that nobody completely understands the new regenerative systems and they are not adequately explained in the Op Manual.

 

[lostcreekranch]

On our LS XR4046HC, if regen mode starts just keep on working. LS indicates that if you are working hard regen cycle completes faster. The thing you have to be careful about is if, for instance, you are in very dry grass you might want to cancel regen if you have the low exhaust since exhaust temperature is elevated significantly. I was about to move a round bale on front bale spear today when regen started. Removed bale spear, installed pallet forks and went onto next task. No problem.

Tier IV Regen mode has never got in the way here.

Sent from my iPad using TractorByNet

 

[truckdiagnostics]

Man, OH, Man - - I, also, am so glad to have a 2009 M6040. It is more than obvious that nobody completely understands the new regenerative systems and they are not adequately explained in the Op Manual.

It gets even better on some engines to meet emissions they inject a DPF fluid. So, you have a diesel fuel tank and a DPF fluid tank, the fluid is urea, which is basically manufactured piss. Now guess what in the winter piss freezes. So, you have to heat the DPF fluid tank to keep it from freezing. The system has been a night mare for the trucking industry, and it is coming to a tractor near you soon!