. Railway master mechanic . hich is regulated at the will of the is a very important pMnt in preventing the in-convenience and loss incurred by a stoppage duringheat when blowers are used for cupola purposes. Adecided saving by the use of the bed is gained in thewear and tear of bolts, for a simple turn or two ofthe nut on the end of the adjusting screw and re-tightening of the holding down bolts takes but amoment or two and accomplishes the same end asrelacing of the belts, which is usually put off untilthe belt will run no longer on account of too muchslack. Special attention s
. Railway master mechanic . hich is regulated at the will of the is a very important pMnt in preventing the in-convenience and loss incurred by a stoppage duringheat when blowers are used for cupola purposes. Adecided saving by the use of the bed is gained in thewear and tear of bolts, for a simple turn or two ofthe nut on the end of the adjusting screw and re-tightening of the holding down bolts takes but amoment or two and accomplishes the same end asrelacing of the belts, which is usually put off untilthe belt will run no longer on account of too muchslack. Special attention should be directed to pressureblower belts on account of the high rate of speed atwhich they must necessarily run; and absolutelyperfect alignment of the countershaft with theblower is essential in order to secure smooth run-ning and even tracking, and to avoid undue wear ofbelts by slipping. A telescopic mouth piece is employed in orderthat the blast piping may not be disarranged in mov- Febsdaby, 1890. THE MASTER BUFFALO STEEL PREShUKK ing the blower on the bed, while sufficient length isafforded to the countershaft so that tight and loosepulleys can be sed for the main driving belt. Aself - oiling device fitted to the countershaftenables it to be run at high speeds forlong stretches with perfect immunity, it is claimed,from heating or cutting. A distinguishing feature of these blowers is thesolid case, the peripheral portion of the shell beingcast in one solid piece, dispensing entirely with theobjectionable putty joint. Being thus practicallyone piece, bearings are always, even under the hard-est service, in perfect alignment vertically and lat-erally with the rest of the machine, thus making itsuperior in items of durability, smooth running andeconomy of power. The journals are long and heavy,in the standard ratio of length to diameter of H to 1,and have cap bearings secured by bolts screwed inthe lower half of the bearing and held in place bylock nuts. With this
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Keywords: ., bookcentury1800, bookdecade1870, bookidr, booksubjectrailroadcars
