No oil getting to the valve train

Anonymous-0 · Apr 4, 2013

Just picked up a 52 TO30. Been sitting for a long time. Got it up and running. Ran it for about 5 min at all rpm ranges. Had a bit of a tick to it so I adjusted the valves. The tick is gone now but one thing worries me. The valve cover and valve train area were dry. Put the gas tank back on and fired it up without the valve cover on. Maybe got one drop to come off the rocker shaft assembly in about a minute of running it. Am I getting worried over nothing? Anyone happen to run their engine without the valve cover on and see how much oil was suppose to be getti g up there? Also I pulled the plug out of the end of the rocker shaft assembly and ran it for a couple minutes and still not seeing any oil up there. Thanks in advance for any help with this.

Anonymous-0 · Apr 4, 2013

Forgot to mention it has 40lbs of oil pressure so it's not an o pressure problem. Thinking more along the lines of a blocked passageway.

Eric in IL · Apr 4, 2013

I am not familiar with the TO30, however on a M.F. 65 (continental gas engine) the rocker shaft can be installed so no oil gets to the rockers. Rotate the shaft one half turn and you will get oil, but not what I would call a gusher.

The I.T. service manual instructs readers to install the shaft so no oil is delivered.

The Massey service manual gives directions that yield flow to the rockers.

Dan S (NY) · Apr 4, 2013

Remove the rocker arm assembly from the head and remove the pushrods, keeping track of where they came from so you can put them back in the same place. Don't knock any of the valve caps down into the engine! The oil comes up through a hole in the rocker assembly rear bolt post so, remove the spark plugs so the engine can rotate quicker and then crank the engine with the starter. Oil should come out of the hole next to the rear rocker assembly bolt hole. If you get oil, then the problem is in the rocker assembly itself. If no oil, there is a blockage somewhere down below.

Dan

Anonymous-0 · Apr 4, 2013

Got it figured out. Pulled the rocker shaft off and blew air through the oil passage and everything was ok. Blew air down the oil passage in the head and nothing. Pulled the head off and found someone has put the wrong head gasket on it at some point in its life. There was no hole for the oil passage. Happened to have a gasket kit for one I got with another tractor and its got the hole in it.

No oil getting to the valve train

Anonymous-0

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Eric in IL

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Dan S (NY)

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Anonymous-0

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