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Tractor Talk Discussion Board

Re: David Brown 990 almost done, valve adjustment?


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Posted by guido. on June 27, 2016 at 11:53:16 from (72.82.174.163):

In Reply to: David Brown 990 almost done, valve adjustment? posted by UP Oliver on June 27, 2016 at 10:24:39:

Hello Up Oliver,
Do not start the engine! You NEED to adjust the valves. I am not familiar with that engine, but usually there is a pipe plug in the bell housing facing the front of the engine, there would be were the flywheel TDC mark is. Some engine have a hole in the flywheel that a bolt would go into to stop the engine at TDC. Other have a pointer that you line up at the proper timing mark. You can also take #1 injector and feel the top of the piston travel. TO BE ON #1 you have to turn the engine until the intake valve goes first down and the up. When the valve is closed you then feel the piston come up to TDC. I do not have the valve lash for you, but if the firing order is 153624, I can give you a short cut to adjust the valves. Let me know if you want it and I'll post it for you. I usually hang out at ToolTalk,


Guido.


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