. Official proceedings . iMi Xo. Figure No. 5. The 2-tam])er unit weighs pounds while the 4-tamperunit weighs pounds. (See Figures Nos. 4 and 5). Both 116 units are fitted with cross trucks which i)ermit of easy and quickremoval from or to the track by raising first one end and thenthe other and inserting cross rails which are supplied with the■plants for that purpose. Four men can remove the car fromthe track. The usual practice when the tampers are operated fromithe portable compressor is to operate each pair of tampers fromone hose line. In other w^ords, with the 2-unit outf
. Official proceedings . iMi Xo. Figure No. 5. The 2-tam])er unit weighs pounds while the 4-tamperunit weighs pounds. (See Figures Nos. 4 and 5). Both 116 units are fitted with cross trucks which i)ermit of easy and quickremoval from or to the track by raising first one end and thenthe other and inserting cross rails which are supplied with the■plants for that purpose. Four men can remove the car fromthe track. The usual practice when the tampers are operated fromithe portable compressor is to operate each pair of tampers fromone hose line. In other w^ords, with the 2-unit outfit i—300-footunit of hose is supplied with suitable tee connection and twoshort lengths of ^-inch hose. With the 4-unit outfit 2—300-foot units of hose are supplied with tee connection and shortlengths of 5^-inch hose. This permits the working of 600 feetof track, i. e., 300 feet each way from the compressor after itis once set off to the side of the track before another move is-necessary. The air tampers aside from working fa
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