Posted by Janicholson on November 05, 2012 at 19:19:24 from (220.127.116.11):
In Reply to: Air cleaner posted by Farmall 450 lp on November 05, 2012 at 18:59:40:
There is not supposed to be suction at that venting system. If blown in dust is getting in I would purchase one of the preclaener systems with jar. There may have been dirt in a connector that you were not aware of, but it is just a guess. Crank case pressure is intended to be relieved through that system, not drawn through it toward the engine. There is a small orifice that is intended to be a restrictor on the flow (usually as a end in a fitting with a 1/8" hole or so). There is also a road draft vent tube with wire mesh screen on the lifter cover. It is vented into air and is also responsible for pressure relief. Were it mine, I would run it with the hose off and feel for suction on the connection. If none, I would put the precleaner on it and go to work. Jim
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