Section III - PRINCIPLES OF OPERATION

Tabulated Data for Air Compressor - continued

Figure 14. Air Compressor Pump Schematic

TM-9-4310-396-13 Air Compressor Portable 5 CFM Model PD32T5 Manual
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TM9-4310-396-13 Section III - PRINCIPLES OF OPERATION 1-11 COMPRESSOR OPERATING PRINCIPLES. 1-11.1 Compressor (1. Figure 1-3). The compressor compresses air to put out a minimum of 15 cfm at 175 psi. It is driven by the diesel engine through two belts from the pulley contained on the engine. The belt guard protects the operator from injury and the engine pulley and compressor flywheel from damage. 1-11.2 Engine (2). The compressor is driven by a diesel engine. The engine drives the compressor by two V-belts attached to a clutch/pulley connected to the shaft of the engine. The engine is equipped with both an electrical starter and a manual recoil starter to allow engine start. The operating speed is factory set for a constant operating speed while compressing air and a throttling device to slow the engine while operating not loaded. The electric starter is powered by a 12 VDC battery. 1-11.3 Air Receiver (3). The air receiver stores the compressed air delivered from the compressor. It is equipped with a check valve, high pressure relief valve, and a line pressure gage. The receiver is also equipped with a tank drain to drain moisture or compressed air. The discharge line leads to the exterior of the trailer and is fitted with a quick air line disconnect where the air hose is attached. The air hose then transports the compressed air to the point of use by the operator. 1-11.4 Compressor Trailer (4). The compressor trailer provides a means to transport the compressor as well as a support base for the equipment. It is provided with two wheels with brakes and a spare tire. The enclosure of the trailer provides protection of the compressor, engine, and components. Figure 1-3. Operating Principles. 1-6

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