Probably, it only costs a couple of days to dismantle and measure and you get a very valuable source of confidence. Of course, if the machinist messed up and

Probably, it only costs a couple of days to dismantle and measure and you get a very valuable source of confidence. Of course, if the machinist messed up and made an angle outside of the allowed range that's probably a few years down the drain (but I expect he checked before putting it in, just not too closely)