Section II. EQUIPMENT DESCRIPTION AND DATA

CHAPTER 1 INTRODUCTION - TM-5-4310-386-14_15

Figure 1-2. Location of Major Components. - TM-5-4310-386-14_17

TM-5-4310-386-14 Compressor Reciprocating Air: Electric Motor Driven & CFM 175 PSI C & H Model 20-918 Manual
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TM 5-4310-386-14 1-6. List of Abbreviations. AC alternating current AH ampere/hour AMP ampere ASME American Society of Mechanical Engineers BTU British Thermal Unit CFM cubic feet per minute DC direct current GPH gallons per hour FSW feet of sea water kPa Kilo Pascales NEDU Navy Experimental Diving Unit NM newtons per square meter PSI pounds per square inch RPM revolutions per minute TSP trisodium phosphate V volt Section II. EQUIPMENT DESCRIPTION AND DATA Paragraph Page 1-7 Equipment Characteristics, Capabilities and Features ................................................................ 1-2 1-8 Location and Description of Major Components.......................................................................... 1-2 1-9 Equipment Data ......................................................................................................................... 1-4 1-10 Safety, Care and Handling ......................................................................................................... 1-5 1-7. Equipment Characteristics, Capabilities, and Features. The compressor unit is driven by a two cylinder, air cooled, diesel engine connected to a four stage, reciprocating, air cooled, compressor. It is designed for continuous operation at a rated capacity of 20 cfm at pressures up to 3200 psi (22,064 kPa). It is also designed to operate under extreme climatic conditions. The K-20-D Compressor Unit is a portable, self contained skid mounted unit. The frame is constructed of welded steel channel. The subframe is attached to the main frame by 10 anti-vibration mounts. Slinging/Tie-downs for hoisting or securing the compressor unit are welded to the skids and located at the four corners of the skids. 1-8. Location and Description of Major Components. (figure 1-2) DIESEL ENGINE (1). Two cylinder four cycle diesel engine capable of producing 23 Hp at 2200 RPM. AIR COMPRESSOR (2). Four-stage reciprocating air compressor cable of producing 20 cfm of diving air at 3200 psi. PURIFIERS (3). Consist of two purifying cylinders with two purifying filters. CONTROL PANEL (4). Contains controls and indicators needed to start, monitor, and terminate engine and compressor operations. BATTERIES (5). A 12-volt (V) battery for starting the diesel engine. 1-2

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