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Do shims make it easier to get the shaft through. I had a bugger of a time lining up the washers and spring to get the shaft all the way home. Finally got it using a dental pick to push the last washer into alignment.
I use a tapered punch that someone cut down to align things, put it through, wiggle it around til everything lines up, insert shaft. I know it sounds riske but it gets the job done. Tool has been in my box for as long as I can remember, don't know where it came from or who made it, or what they made it for, gets used for little else.Brian