3000 diesel valve adjustment

acaswell

Member
Had the 3 cyl diesel engine on my 3000 rebuilt over the winter and it's time for the 25 hr adjustment. Is there some type of lock on the valve adjustment bolts? I'm used to having a lock nut or some way of preventing the bolts from turning, but I couldn't find anything like that. The bolts are plenty tight, but I want to make sure I'm not missing something before I start turning and breaking things. Thanks!
 
Those rocker arms use what I'll call interference threads - it takes noticeable force to break them loose, but that's what you do. I actually
like them better than the lock nut style.
 

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