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IH 656 valve adjustment problems
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Posted by Deamer1 on August 08, 2007 at 06:21:47 from (12.213.112.37):
Hi, I used the tractor one day, pulled into the shed and shut it off. Next day I started it up and noticed a tick, tick, tick sound which turned out to be a valve lifter noise. (one valve lifter) I"ve went thru the adjustment procedure several times and it"s getting frustrating. I can"t get them to be quiet as I think they should be, or as they were before.
I set the #1 cyl to TDC and ensure the distributor is pointing to the #1 cyl. then I went thru the adjustment by the book, adjusting six valve clearances to .027 in. Then set #6 cyl to TDC and verify the distributor again, then set the other six valve clearances. I done this so many times I can do it blind folded now, but I"m not doing something correctly. Maybe you can help?
After adjusting the valves setting to .027 in. the tapping moves around from one valve to another. I get six set correctly and one of the other six is noisey. The tips on the rocker arms which come down on the valve are worn uneven and that makes it difficult to set it correctly. I"m wondering if there are any tricks to the trade I need to know about? Should I attempt to set the valves closer maybe like .025 rather than .027 in. or maybe slightly looser like .028 in? Any help is greatly appreciated.
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