Go BottomCold Starting NH 1320
 | K. Lang
Join Date: Feb 2002 Posts: 5 Davison, MI 
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2002-07-24 40641
I have a New Holland 1320 with 300 hours on it. I am the original owner, the tractor is meticulously maintained and it has been a fantastic machine with no problems. I have to heat the glow plugs to start this tractor when the engine is cold no matter what the outside temperature is. Is this normal? It typically starts fine without the glow plugs once the engine is warm unless the tractor has been sitting for some length of time and the engine cools off to that 'critical' temp. I have two friends with 'Deeres and they do not have to hit the glow plugs to cold-start thier tractors unless it is quite cold outside. I'm probably concerned over nothing but can anyone share thier experiences in this area?
-KEN-
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 | Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York 
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2002-07-24 40646
Ken don't worry about it as it is just like the 1920 and the 1710 I have in the yard now. It is just a characteristic of that engine and design. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley
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2002-07-25 40660
Yes, the description is the way my 1710 has always worked. Some JD compact engines have direct injection rather than the indirect injection on Ford '10-series compacts. My impression is that direct injection engines start easier than indirect ones when it's warm and harder when it's really cold. ....
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 | Peters
Join Date: Feb 2002 Posts: 3034 Northern AL
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2002-07-25 40664
We talked about this problem in a different way a few weeks a go.
The diesel is using the compressive heating of the air with in the cylinder to ignite the fuel air mix.
A direct injection system has the fuel injector within the wall of the cylinder head. The indirect system has the injector before the value in the air inlet.
The air and diesel must be at the right ratio and temperature for them to ignite. A indirect system has the disadvantage of allowing the diesel to condense on the cold inlet and valve before entering the cylinder chamber. This causes the the harder start when cold.
The advantage is when you run out of fuel. It is very difficult to prime an injection system with the high back pressure created by the cylinder pressure. ....
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 | BillMullens
Join Date: Jun 2000 Posts: 649 Central West Virginia 
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2002-07-25 40665
Ken, my 2000 model TC29 acts exactly the way you describe.
Bill ....
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