Does anyone know what the clearance should be between the drum and case bushing? In the picture is the bushing i am talking about. I am pretty sure it needs replace as the drum is worn. 20170402_190258.jpg
factory clearance is .002-.004 inch. I was told they are ok up to .015 but I disagree. Don't throw away that drum you have. I have several I'm going to repair when I get some 4140 tubing to make sleeves with.
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