THE DUCT SYSTEM of an air-conditioning installation must be kept free from dust and lint which not only prevents the proper ... Couplings and Unions When fan, compressor, or pumps are not belt-driven, nor the fan mounted on the motor shaft, ... Fans, like all moving parts, require periodic attention to keep the maintenance low and to insure long life of the fan. To care ... If the fuses are oversize, they will not protect the motor; if undersize, they may blow and stop the motor needlessly.
|Title||:||The ... Theatre Catalog|