. The launderer. A practical treatise on the management and the operation of a steam laundry . breaking of the spring, in whichcase the results are likely to be disastrous. An extractor is driven by. a countershaft, which isgenerally furnished with the machine. It is well tohave a friction pulley on the countershaft, which drivesthe machines, to take the slip or lost motion whenstarting. It takes quite an amount of power to startan extractor, but after it has reached its speed verylittle power is required to keep it .in motion. There-fore, it must be started slowly, and should there be nofrict
. The launderer. A practical treatise on the management and the operation of a steam laundry . breaking of the spring, in whichcase the results are likely to be disastrous. An extractor is driven by. a countershaft, which isgenerally furnished with the machine. It is well tohave a friction pulley on the countershaft, which drivesthe machines, to take the slip or lost motion whenstarting. It takes quite an amount of power to startan extractor, but after it has reached its speed verylittle power is required to keep it .in motion. There-fore, it must be started slowly, and should there be nofriction pulley, the belts will necessarily slip, in whichcase much damage is caused to the belt, as well as lossof power. The larger the extractor the less its drying is the quick travelling of goods around a small circlethat causes the greatest centrifugal force; the largerthe circle the less the centrifugal force at the samesurface speed. A thirty-inch basket is the most prac-tical machine for steam laundries. The usual speeds-of standard makes of extractorsare as follows: 13 —. »1 P4 s X — 14
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