. American engineer and railroad journal . tat the outer end of the spring , the movement of the front setof frames is resisted by the spring onthe side toward which it is moving. Anydesired amount of initial compressioncan be given the springs by means ofthe nuts on the inner end of the rod,access to which is provided in the saddlecasting. This spring centering device islocated between the first and second pairsof drivers of the front set. It also forms , . . .. , FRONT FRAME SPRING CENTERING DEVICE, MALLET COMPOUND LOCOMOTIVES. the only connection between the front end of the boi
. American engineer and railroad journal . tat the outer end of the spring , the movement of the front setof frames is resisted by the spring onthe side toward which it is moving. Anydesired amount of initial compressioncan be given the springs by means ofthe nuts on the inner end of the rod,access to which is provided in the saddlecasting. This spring centering device islocated between the first and second pairsof drivers of the front set. It also forms , . . .. , FRONT FRAME SPRING CENTERING DEVICE, MALLET COMPOUND LOCOMOTIVES. the only connection between the front end of the boiler and the front set of frames, which will prevent motives are as follows: them dropping away from the boiler. This connection is made by 40 x i in. plates, front and rear, fastened to the cross tie and lipping over the flange on the saddle, as shown. The weight of the front end of the boiler is carried by abearing between the second and third sets of drivers. This bear-ing does not restrict movement in any direction except
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
