engineman2
New User
I have a 2N that is hard to start no matter the weather. The tractor is a work tractor that has been used for years until recently when it has become hard to start.
When attempting to start the tractor, the most that can be gotten out of it is a "put" after cranking while holding the choke fully closed for about 3-5 seconds and then opening it while continuing cranking.
Occasionally the starter will not disengage on that first "put" and this is when the tractor can finally be brought to life. Once running it runs quite well under load but full throttle with no load results in frequent backfires.
The carburetor was taken apart and cleaned and the distributor rebuilt and timing set. I have drained the gas (which was clean, I put it in another vehicle) and put in fresh fuel along with cleaning the lines and all three fuel screens (which were already clean as far as I could see). The coil tests good along with the condenser and ignition switch. When the spark plugs are pulled and checked for spark bright sparks erupt between the electrodes. Compression is also good, around 100 PSI for all cylinders. I have also adjusted the valve clearances.
My only thought rests with the distributor. When installed, the rotor has quite a lot of play before the teeth engage with the slots in the camshaft. After nearly a decade as a mechanic, the amount of play present here seems extreme. My concern is that this play may be the cause of my poor operation and hard start as it may throw off the timing. I would like to get some opinions as to other causes for the problem and the exact amount of play I should expect from the distributor rotor as this is the only 2N I've ever worked with.
When attempting to start the tractor, the most that can be gotten out of it is a "put" after cranking while holding the choke fully closed for about 3-5 seconds and then opening it while continuing cranking.
Occasionally the starter will not disengage on that first "put" and this is when the tractor can finally be brought to life. Once running it runs quite well under load but full throttle with no load results in frequent backfires.
The carburetor was taken apart and cleaned and the distributor rebuilt and timing set. I have drained the gas (which was clean, I put it in another vehicle) and put in fresh fuel along with cleaning the lines and all three fuel screens (which were already clean as far as I could see). The coil tests good along with the condenser and ignition switch. When the spark plugs are pulled and checked for spark bright sparks erupt between the electrodes. Compression is also good, around 100 PSI for all cylinders. I have also adjusted the valve clearances.
My only thought rests with the distributor. When installed, the rotor has quite a lot of play before the teeth engage with the slots in the camshaft. After nearly a decade as a mechanic, the amount of play present here seems extreme. My concern is that this play may be the cause of my poor operation and hard start as it may throw off the timing. I would like to get some opinions as to other causes for the problem and the exact amount of play I should expect from the distributor rotor as this is the only 2N I've ever worked with.
