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broken rocker arms
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Posted by sven on April 04, 2007 at 18:16:26 from (216.193.143.21):
I bought a W-6 recently that had sat some time without running. Oddly, the rocker arms on the #4 cylinder were broken off. I put used ones on and got the tractor runing. When I went to reset the valves, these arms were bent so i put another set on and ran it some more. After running it a while the valves stopped working correctly and when i took the cover off the rocker arms were again almost broken off at that cylinder. I then pulled off the cam shaft cover and the belly pan. The push rod, cam shaft, and lifters all appear normal. What is going wrong here. P.S. I also had the valves reground so there sould be no problems there. Thanks for your help.
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