stoup and balance weight , but the eccentric lever should be made a separate casting for adjustment . As the strain is light a cast - iron shaft and levers may be adopted , when the weigh shaft is placed under the floor of the engine house out of sight ; but a preference ought to be given to… … Fig . 158 . — Eccentric and Rod . A , Eccentric sheave . b , Eccentric rod and strap . c , Gab end . eccentric sheave is so arranged that it can be put on and taken off the main crank shaft without disturbing any other detail , and is secured on the shaft with a key , as these engines only require…
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