. American engineer and railroad journal . who made reply, nine advise it is more difficult to inspect thejournal bearings on account of the journal bearing keys used with that, in most cases, the cause of hot boxes is the bad conditionof the packing at the side and rear of the box, and that the onlyremedy is a systematic and efficient treatment of the packing toovercome the glazed or hardened condition resulting from too longcontact with the journal, rather than by applying more oil. In view of the foregoing facts your committee is of the opinion,based upon past experience, that the M. C. B.,
. American engineer and railroad journal . who made reply, nine advise it is more difficult to inspect thejournal bearings on account of the journal bearing keys used with that, in most cases, the cause of hot boxes is the bad conditionof the packing at the side and rear of the box, and that the onlyremedy is a systematic and efficient treatment of the packing toovercome the glazed or hardened condition resulting from too longcontact with the journal, rather than by applying more oil. In view of the foregoing facts your committee is of the opinion,based upon past experience, that the M. C. B., or collar type ofjournal, is almost a necessity to insure intelligent inspection andproper care of the packing in the journal boxes. _ We also wish to call attention to the excessive end play withthe collarless journal, allowing the brass to swing out over the endof the journal, thereby bringing the load farther from the tul^Tumand causing a greater strain on the axle than is the case with thecollar journal where the end play is PROPOSED STANDARD PEDESTAL FOB 5 BY 9-IN. JOURNALS. the collarless journal, and five that there was no difficulty cx- ^N^ue*^members reply that trucks keep square as well with thecollarless journals as with the collar journal, and fave membersadvise that they do not. , , ^ ^1 ^ n „j Your committee desires to call attention to the fact that the endof the journal bearings keys used with the collarless journal notonly prevents proper inspection of the journal bearing and pacK-ing but certainly interferes with the oilers giving to the packing,an important termini, the attention necessary to maintain tneefficiency of the packing. This is more particularly true of thepacking at the side and rear of the box, which can be readilyappreciated by all who are familiar with the conditions surround-ing this type of journal, due to the lack of space between the sideof the journal box and the journal. This feature of maintainingthe elasticity of the packin
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
