Posted by CNKS on February 13, 2011 at 16:35:16 from (216.144.104.128):
Thanks to all who responded. The link is my first posting if anyone else is interested. Those who said I left a plug out were absolutely correct. Thanks to Owen for mentioning that I could remove the governor and use compressed air into the main oil passage before disassembly to be sure the plug was missing. I could barely feel the air at 60 lbs, but I could easily hear it going into the cam gear area. I then removed the axle and steering mechanism as a unit and was able the rotate the front cover enough to find the end of the oil passage. So, I don't have to remove the pulley. Can't find the plug to go in it, should be able to find one without going through CaseIH. HOWEVER, there are two holes. The one causing the loss of oil pressure is obvious. There is another, smaller one in the upper left corner of the area the front cover hides, directly under where the governor goes. Is this the opening to lubricate the governor, etc? The service manual says:
"The timing gears and governor are lubricated from the front camshaft bearing. A drilled passage in the camshaft journal connects with the bearing oil hole each revolution of the shaft, allowing a metered flow of oil out to the camshaft thurst plate and gear. Oil thrown from the gear lubricates governor and governor pinion bushing".
The hole is threaded, I have identified the plugs in the diagram in the parts manual and there is no plug for that listed. I have not tried fitting anything into it yet, and won't unless someone tells me it should be plugged -- air does not come out this hole so I don't think there is any effect on oil pressure. Does anyone know if this is the opening for oil to the governor, etc. If so, I wonder why it is threaded. Tom Fleming, would you look at your empty block again and see if that hole is there? You mentioned 3 holes, 2 to hold the cam in place and one for the plug. The one I see is not behind the cam gear -- thanks.
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