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#18040 - 11/05/17 06:48 AM Random Questions
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
I find myself often having many questions and not so many answers....I believe for most of them a lot of you folks here could give me a lot of help and insight.
I kinda figure on using this thread for different questions as they come.
One I have at the moment is about testing/ diagnosing a diesel engine. This one in mind is an International D239, seems to lack power. Would a person first check compression? or do you do a leak down test? I presume one does this before checking/testing injectors or injector pump?
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#18042 - 11/05/17 12:22 PM Re: Random Questions [Re: Lincoln]
tom Online   content
MBN Old hand
Registered: 02/14/10
Posts: 1689
Loc: kodiak alaska *****
I would go with the leak down test.
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#18043 - 11/05/17 07:10 PM Re: Random Questions [Re: tom]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
Thanks Tom
Would that be so you could determine if there is a valve leak as opposed to ring leak via listening? Or anywhere else for that matter?
I've only read about doing one, never tried it.
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If you can't weld well.....weld lots...
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#18045 - 11/06/17 11:09 AM Re: Random Questions [Re: Lincoln]
tom Online   content
MBN Old hand
Registered: 02/14/10
Posts: 1689
Loc: kodiak alaska *****
a leak down test well tell were the problem is and how bad it is.I have a AC fork lift that has a bad cylinder but will show that it is working when I crack the injector line.
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Rocket science is common sense
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#18049 - 11/08/17 06:25 PM Re: Random Questions [Re: tom]
sonny Offline
MBN member
Registered: 02/17/10
Posts: 176
Loc: Illinois USA
If the injection pump has slotted timing gear,---might try advancing it a bit.---Had a td-9 that was a pooch and the advance did liven it up.----This is only a suggestion of a possible area of the problem .
Right now I have an IH 2504 that wont even try to start and I kinda think the pump went south.----Just had nother round of spinal surgery and not doing real great, so I struggle along,--but HEY--I am still alive!!!! thanks sonny
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#18050 - 11/09/17 04:44 AM Re: Random Questions [Re: sonny]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
Thanks sonny, I'll keep that in mind when I get around to checking it out, which at this time not sure when that'll be. It does seem to run alright just lacks power and if it has been shut off for any length of time you need to either it to start. Could be the nature of the beast I suppose but I can't imagine it should be like that.
Anyway, I think I have about 986 other things to do probably first.. crazy
I do hope you're in better shape soon sonny, it's good to hear from you.


Edited by Lincoln (11/09/17 04:46 AM)
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If you can't weld well.....weld lots...
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#18052 - 11/12/17 05:12 PM Re: Random Questions [Re: Lincoln]
sonny Offline
MBN member
Registered: 02/17/10
Posts: 176
Loc: Illinois USA
After some research,,---I ran into a multitude of low power complaints about the D239 engine!!!---another high on the list was hard starting!--- This may be a hard nut to crack, But I will keep my ears open for a solution! thanks; sonny
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#18053 - 11/12/17 08:13 PM Re: Random Questions [Re: sonny]
tom Online   content
MBN Old hand
Registered: 02/14/10
Posts: 1689
Loc: kodiak alaska *****
spray bottle with 50/50 gas,diesel starting fluid.
_________________________
Rocket science is common sense
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#18055 - 11/13/17 07:17 PM Re: Random Questions [Re: tom]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
Although I can't seem to find them now, I'm sure I've seen in the past rebuild kits that had an extra ring on the piston to increase compression.
I have also looked at an injector pump rebuilders page that offers an alternative pump for the engine... one that doesn't have the "choke" feature. It's the only diesel I've ever seen with it...and it'll never start unless you use it...even if you did just stall it a few seconds earlier. Strange I say.
I can't see why it couldn't function like a "normal" diesel.
I appreciate any input and Thanks guys cool


Edited by Lincoln (11/13/17 07:18 PM)
_________________________
If you can't weld well.....weld lots...
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#18056 - 11/14/17 05:27 PM Re: Random Questions [Re: Lincoln]
sonny Offline
MBN member
Registered: 02/17/10
Posts: 176
Loc: Illinois USA
On e-bay, I saw kits for 3 ring 239, --- AND 4 ring kits!! Dont know for sure, but talk is that this is a German made engine. Another name that follows the engine is NEUSS. is this German???
The engine was used in 574 diesel tractors and a few other models of that era.---I have a 574- gas tractor and the tractor tag shows it being a model made in England,or France,-- I think.
On my 2504 diesel tractor, it has glow plug start, (very poor design) and once it gets warm it will start right up anytime all day, as long as it dont get cooled down too much!
Not real sure what IH was thinking when they used these designs.
Is your d239 in a tractor?--or is it a power unit?? thanks; sonny
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#18057 - 11/15/17 05:38 PM Re: Random Questions [Re: sonny]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
Thanks sonny
Ours is in a loader backhoe
_________________________
If you can't weld well.....weld lots...
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#18059 - 11/19/17 07:53 AM Re: Random Questions [Re: Lincoln]
Murf Offline
New in town
Registered: 05/11/10
Posts: 7
Loc: Toronto area, Ontario
From your description it sure sounds to me like you have an injector issue.

If one, or more, injectors are bad, or even just dirty, they will bleed down into the engine instead of holding pressure, you then have lost the prime and you’re trying to start with air in the lines.

Does it make any smoke? Particularly white / light grey smoke on restart?

A leaky injector tip would also result in a noticeable power loss.
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#18060 - 11/19/17 07:53 AM Re: Random Questions [Re: Lincoln]
Murf Offline
New in town
Registered: 05/11/10
Posts: 7
Loc: Toronto area, Ontario
From your description it sure sounds to me like you have an injector issue.

If one, or more, injectors are bad, or even just dirty, they will bleed down into the engine instead of holding pressure, you then have lost the prime and you’re trying to start with air in the lines.

Does it make any smoke? Particularly white / light grey smoke on restart?

A leaky injector tip would also result in a noticeable power loss.
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#18061 - 11/20/17 04:22 AM Re: Random Questions [Re: Murf]
Lincoln Offline
MBN Enthusiast
Registered: 03/25/11
Posts: 642
Loc: Parry Sound Ontario Canada *****
Thanks for the input
I'll have to pay closer attention to the color of smoke on start up, I know it does smoke quite a bit, as I recall it's fairly black but it might be a greyish color.
Not sure when I'll be back out there, could even be a couple weeks (it's at my folks place)
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If you can't weld well.....weld lots...
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