. Bulletin of the Department of Agriculture. Agriculture; Agriculture. APPLICATION OF REFRIGERATION TO HANDLING OF MILK. 35 scale. In double-pipe condensers and coolers it is not such an easy- matter to clean them as it is necessary to take off a return bend from the end of the condenser or cooler in order to ex- amine or clean them. This should be done frequently, and if the inner pipe is found to be coated with a soft substance it can be re- moved by the aid of an or din ary flu e brush. If, however, the coating is in the form of scale, it will be necessary to bore it out on a lathe or
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. APPLICATION OF REFRIGERATION TO HANDLING OF MILK. 35 scale. In double-pipe condensers and coolers it is not such an easy- matter to clean them as it is necessary to take off a return bend from the end of the condenser or cooler in order to ex- amine or clean them. This should be done frequently, and if the inner pipe is found to be coated with a soft substance it can be re- moved by the aid of an or din ary flu e brush. If, however, the coating is in the form of scale, it will be necessary to bore it out on a lathe or tube- boring machine. The life and satisfac- tory operation of all me- chanical apparatus are dependent on proper care as well as on the original design. It is therefore necessary that such apparatus should receive frequent and careful inspection and prompt correction of all defects found. As clean- liness is essential for the satisfactory operation of machinery of all kinds, the wearing parts of the machine should be kept free from dirt and grit and the oilways open, well lubricated, and ad- justed. The clearance of the pistons should be adjusted to a minimum, both in the steam and compressor In operating an ammonia plant the gages should be carefully watched, as they are the indicators of the work being done. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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