Modern American Locomotive Engines; Their Design, Construction and Management. a Practical Work for Practical Men downloadPDF, EPUB, MOBI

Modern American Locomotive Engines; Their Design, Construction and Management. a Practical Work for Practical Men. Emory Edwards

This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883 edition. Excerpt: ...on the center, because the pin wears smaller across its horizontal diameter when it is on the top or bottom quarter, as the piston's pressure is most effective on the pins at this point; and if the boxes were reduced to this diameter they would evidently bind when on the pin's greater diameter; that is, when on the center. If the pins are much out of round they should be corrected with a file. Having calipered the pins as above, take this diameter in a pair of inside calipers. Lay the boxes "brass and brass" and by the inside calipers ascertain how much must came off to allow them to bear on the pin, remembering to take half the amount as indicated by the inside calipers from each brass. Having filed off what is necessary from the boxes, place them in the strap on the pin and drive the key till the boxes are "brass and brass." Then if they can be revolved easily by hand on the pin they are right. Smith. They should not, however, be filed so as to allow of their standing apart when keyed up, but should touch each other. The key may now be slacked back, the brasses shifted to the open end of the strap, and a piece of stiff putty placed on the inside crown of the strap, and the key driven till the joint of the brasses stands in line with the center of the oil hole in the strap. The key should be marked even with the strap, and the strap and boxes disconnected from the pin. The thickness of the putty will indicate the thickness of the liners necessary to be put in. When the joint of the brasses is in line with the center of oil hole the length of the rod should be right if the rod is made right. Perform the same operation on each end of the rod; put it up and drive the keys to the marks made on them, and then try the length of the rod by...

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