American School of Correspondence · Chicago, American school of correspondence · leaf 146
, it is customary to putin a quarter block of larger diameter, which is replaced by theoriginal when the link is removed. A great deal of trouble comes from having the flat chain tootight. All that is necessary is to keep the flats against the backblock. This point should not be overlooked. If the… … Fig. 72. Adjustable Cylinder Bearing. flats vrill give trouble in grinding by not resting freely on thegrinding former. Adjustable Cylinder Bearing. While a great deal dependsupon careful setting of the flats, ma^y evils arise, such as thewearing of the bearings, due to the weight of the cylinder,…
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