ngsurface of the journal, an ordinary overload will notcreate a hot box. It is plain, therefore, that car brasswedges should be gaged before being applied, and im-perfect ones sent to the reclamation plant. Excessive Friction—Excessive friction is caused by 155 THE CARMANS HELPER defective… … Tho Tips of the Wedge Are Broken and the Wedge has WorkedPartially Out of the Box. This Causes Excessive Bearing Pres-sure at the Front of the Journal. The Result is a Hot Box. be insufficient lubrication if the packing is not up againstthe journal or if the waste has insufficient capillary…
Railroad cars · Railroads
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