AIR COMPRESSOR - MIDLAND BRAKE MODELS EL.1300, EL-.1600DESCRIPTIONThe EL-1300 compressor (Figure 1) has a rated dis-placement of .36 cubic meters per minute (12.9 cubicfeet per minute) at 1250 rpm. The EL-1600 compressorhas a rated displacement of .46 cubic meters per minute(16.1 cubic feet per m inute) at 1250 rpm. The EL-1600is basically the same as the EL-1300 except the EL-1600has a longer stroke. Both units are two cylinder re-ciprocating type compressors.The crankshaft main bearings of the base mount com-pressors are ball bearing type, front and rear (Figure 2).Some flange-mounted compressors may have sleevetype main bearings either front or rear. Connecting rodbearings are replaceable insert type. Each piston hastwo compression rings in each of the two ring groovesabove the piston pin, with two oil rails and one expanderring below the piston pin. Snap rings are used to retainthe pin in the piston.Figure 1 - EL-1300 Model Air CompressorFigure 2 - Cutaway View of Air CompressorCTS-4077YPage 3
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