diesel issue....

Hello again. I"m still trying to get my international 364 diesel to run correctly. a quick reminder of my last post I stated that.... the last time I took it out to mow grass it smoked black coal excessively under load. It has only 1200 hours. It has a bd154 engine with a CAV pump. When it idles very little smoke. When you accelerate it blows black coal until it reaches the set rpm then minimal smoke. It feels like it stumbles and hesitates when speeding it up.. If its under a constant load it blows constant black smoke. I have checked the lot of things lately,the timing,the air intake it"s not obstructed exhaust not obstructed. Replaced fuel filter bled the entire system. Cracked the line on each injector to see if the engine lost power it did. Not sure where to go from here I"m afraid it might be the pump... any help is well appreciated......thank you on advance

Some help maybe. Modern diesels are very clean. They have been regulated to be clean by EPA, and the fact that a clean exhaust is an indication of complete combustion. Older tractors didn't comply with this regulation. If your tractor has a history with you of being clean, and it is now smoky, and if you are running appropriate fuel. #2 diesel thinking of going to #1 as it gets colder, then something is wrong. There is a chance that the diesel timing is off, the cam timing as well as injector timing may be off, or the injectors may have issues with spray pattern or pressure of spray. We have only our best guess as to which of these (or other issues are present to cause the problem. If it has no history, it might be OK. If someone put vegetable oil in the tank without processing it that could be an issue as well. Having a second set of qualified help on site, or haul it in for service. Jim

It had always been a clean burner. I am burning RED diesel in it. Can the timing get "off" without touching anything?

Yes. cam gear on shaft slippage, gear wear, pump rotation, and pump gear on shaft are possibilities, but i can give no advice on that particular engine, I just have no experience. Jim

That is interesting. I will open the gear cover and check that in the morning. I have a service manual...i will check it.

John since i can not see your tractor or doing any checking myself.i am thinking that something inside the pump changed . Now where in Pa. your at Don't know , But i have a friend in Pa in the New Castle area that does my pump work and Harry is and old I H mechanic also .

My service manual does not cover anything.....does anyone have any info on checking the timing?????

I am near Pittsburgh ..... would love to contact him....he is close to me

I would take the pump in and have it checked out before going much further. I do not know if the pump had advance built in and has possibly failed.

Progressive diesel 724-658-4690 ask for Harry Sr. Myself i am west of ya across the border .

Hi John,
This was posted some time ago:

I also just rebuilt a BD154. I might note that the timing gear marks can be a bit deceiving due to the idler between the crank gear and the injection pump drive gear. Mine runs really nice. Fires right up after using the glow plugs when cold, but after she is warm, it takes right off.

Been a while since I've timed a CAV/Lucas injection pump, bear with me. If you pull the rectangular cover off the side of the pump (held on with 2 small bolts) you will see the side of the cam ring. It will have a scribe mark on it the you can see move in the window as you turn the pump drive shaft. When that scribe mark lines up with the square end of the snap ring holding the cam ring in the pump body, the pump will be at start of injection. You need to know the static timing mark used for setting start of injection, usually either marked on the flywheel or front pulley, not sure on a 414, but on many engines it is right at TDC. Rotate the crankshaft in the direction of engine rotation, (to take up any lash in the timing gears) until the engine timing marks line up, with #1 cylinder on top of compression stroke. At that point match the marks in the pump and lock her down to the front plate. Turn the crankshaft back 45 degrees and bring it forward again and recheck both sets of marks. Readjust if needed, re-install window cover plate and bleed pump. Guessing on fuel pump timing and getting too much advance can be fatal to the engine if it is expected to work hard. I refuse to use the external scribe marks on the pump and front front cover, seen them out by over 1/8 inch on a regular basis.

Hope this helps.
JimB

Thank you for the name and number