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SERVICE BULLETIN FOR 421GC41CM


wilbur
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There was a service bulletin a while back about the actuator pin adjusting screw for the valve yoke on a Jake brake engine . It gave a measurement and said to replace if below that measurement. I had it some where but cant find it.  0.980" comes to mind but not sure. Any body?

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It came to my dealer as a service bulletin, and I wrote the dimension in the mack service book but someone borrowed the book and i dont remember who. If anyone remembers the bulletin or where I could find it let me know. Thanks

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