I have the above and will not start. It was running fine doing some and I turned it off. Went to start it and I would call it loping and nothing but black smoke from the exhaust, never started. I am looking for advice to do a step by step trouble shooting. I'm sure it's getting too much fuel and the injectors open when they get enough compression. Not a diesel mechanic as you can tell. Appreciate any tips you may have. Thanks!
B2150 HST
- Thread starter smi889
- Start date
Russell King
Well-known member
Lifetime Member
Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
The black smoke indicates that it is fueling, possibly too much. Or possibly short of air.
Check that the air filter and air passages are clear of blockages. The air filter may be clogged by fine dust if that is a problem in your area, the passages may have a nest of some sort.
Are you using the glow plugs to start it cold? Or was it still warm from running when this occurred?
Not sure about what you described as loping but that might be a battery problem so if you mean it is struggling to crank the engine you can try cleaning all the ends of the cables (there are four ends to clean), have the battery load tested. It may be something in the starter circuit that is limiting the cranking speed so it struggles to get past the compression point and that is causing the loping.
If you have a decompression knob (which I doubt), use that to get it up to a good cranking speed then give it compression to start.
Check that the air filter and air passages are clear of blockages. The air filter may be clogged by fine dust if that is a problem in your area, the passages may have a nest of some sort.
Are you using the glow plugs to start it cold? Or was it still warm from running when this occurred?
Not sure about what you described as loping but that might be a battery problem so if you mean it is struggling to crank the engine you can try cleaning all the ends of the cables (there are four ends to clean), have the battery load tested. It may be something in the starter circuit that is limiting the cranking speed so it struggles to get past the compression point and that is causing the loping.
If you have a decompression knob (which I doubt), use that to get it up to a good cranking speed then give it compression to start.
North Idaho Wolfman
Moderator
Staff member
Lifetime Member
Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Same fuel as when it was running. It seems like an injector or two is stuck open. Just my thought.
I had been using it for a couple hours then shut it off. The battery seems to be okay. Didn't check the air filter but will do.
Russell King
Well-known member
Lifetime Member
Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
North Idaho Wolfman
Moderator
Staff member
Lifetime Member
Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
I didn't ask if it was the same fuel, I asked when was it fueled last and if there is any possibility if at any time gasoline was added to the tank.
Pull the filler cap and smell the fuel, diesel smells completely different than gasoline.
It would explain your symptoms.
Also check air filter and delivery and make sure that's not the issue.
It's rather odd that it did it out of the blue???
It's more likely that you have water or some other contaminate in the fuel and it got set into the system.
When was the last time you emptied the water out of the separator or changed the fuel filter?
You need to start with the simple things and work your way through it, as injectors don't just stick open for no reason.
Pull the filler cap and smell the fuel, diesel smells completely different than gasoline.
It would explain your symptoms.
Also check air filter and delivery and make sure that's not the issue.
It's rather odd that it did it out of the blue???
It's more likely that you have water or some other contaminate in the fuel and it got set into the system.
When was the last time you emptied the water out of the separator or changed the fuel filter?
You need to start with the simple things and work your way through it, as injectors don't just stick open for no reason.
Understand, but I wanted him to answer a question. Broken ring lands from using starting fluid will cause low compression and a smoking situation like he has.
North Idaho Wolfman
Moderator
Staff member
Lifetime Member
Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Did not use any starting fluid. Can see light through the filter. Will check the fuel filter for water. I'll try and start it again today and see what I get.
Went out this morning and tried starting it. Kept cranking it and it finally started? I'll see what tomorrow brings.
Russell King
Well-known member
Lifetime Member
Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
Not sure that is really a question so I will assume you are making a statement!
If you continue to crank the engine for long periods you will eventually burn out the starter.
So I suggest that you resolve the starting issue and save your starter.
Starter cranking speed- is it as fast as you remember it always being or is it slower than normal? Have you cleaned the battery cable ends or had the battery load tested? Has the starter been tested off of the tractor?
Glow plugs- do you know if they are working? I doubt it is that cold in Florida but I use glow plugs on my old tractor ever time that I cold start it here in central Texas. I think you said it was still warm when you could not get it started but try to get it up to operating temperature or better yet work it hard for 30 minutes then park it where you want it to be, turn it off and immediately try to start it again. If it starts hard then you know it is a struggle to start not just in the cold condition.
Fuel-Answer @North Idaho Wolfman question above in post #4 and 9. You may want to change the fuel out and the fuel filters out just to eliminate any issues with that. How is the tractor running after it starts? Does it have normal power or not? When it starts is it belching a lot of black smoke that clears up after a few seconds or minutes? What color is the smoke when it is running? Has it been run out of fuel recently?
Air-how was the air filter?
Compression- have you done anything to the engine that could have caused the compression to change? Adjusted the valve train, run it hot?
Do you understand what the diesel engine requires to start and run or are you more familiar with only gasoline engines?
You need to provide fairly clear answers and descriptions of the problems to get good answers.