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Harry Ferguson Tractors Discussion Forum
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engine moisture and setting valves

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mike2

05-22-2005 19:15:28




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I recently began to replace the gooseneck on my to-30 and make some repairs to the radiator. In order to do this, I removed the gastank and since the tank was off, I noticed I needed a new valve cover gasket. Upon removing the cover, it looks like there is a little water on the rocker arms and on the inside of the cover. I do not think it is a leaking radiator, because my oil level never changes and when I change th oil, there is no sign of coolant. So, is it normal to see a little moisture like this due to cold evenings and warm days?

Also, since I have the cover off, could somebody wxplain to me on how to adjust the valves?

Thanks,
Mike

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Jerry/MT

05-22-2005 20:42:59




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 Re: engine moisture and setting valves in reply to mike2, 05-22-2005 19:15:28  
Make sure that the breather tube in the valve cover is clear of any crud. If you use your tractor infrequently, condensation will occur not only in the engine but in the transmission/rear axle case especially in cool, humid weather. But check the breather tube also.
The way I check the valves is to run the engine until it warms up with the valve cover in place. When it's at operating temperature, adjust the idle down to as low as it will go and still run.
remove the valve cover and using a wrench and a screw driver losen the adjustment screw on the valve rocker arm. Using a 0.013" feeler gauge, place the gauge between the top of the valve and the bottom of the rocker adjustment screw PARALLEL TO THE LENGTH OF THE ENGINE so as not to have the feeler pulled by the rotation of the rocker. Move the feeler back and forth and tightenen the screw down til you feel a very slight drag on the feeler. Tighten down the lock nut and recheck. If it's OK proceed to the next valve. There is some trial and error involved but you'll soon get the hang of it. Remember while too loose (but noisy) is better than too tight (burned valve).
Since you obviously do not have Ferguson shop manual, I strongly recommend you get one. Get the factory manual not the IT manual because it's better for novices. Good Luck!

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Gregg/Ohio

05-22-2005 20:34:08




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 Re: engine moisture and setting valves in reply to mike2, 05-22-2005 19:15:28  
A little moisture under valve cover can be considered normal,I see this alot when you only use the tractor lightly,(it does not fully warm up)It takes about 15-20 minutes to fully warm your engine enough to displace moisture from crankcase. Gregg/Oh.



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