TM 5-4310-393-14Section II. EQUIPMENT DESCRIPTION AND DATAParagraph.................................................................................................................................................... Page1-8Equipment Characteristics, Capabilities and Features ....................................................................... 1-31-9Equipment Data .............................................................................................................................. 1-41-10Differences Between Models ........................................................................................................... 1-51-11Safety, Care, and Handling............................................................................................................... 1-81-8. EQUIPMENT CHARACTERISTICS, CAPABILITIES AND FEATURES.Equipment characteristics, capabilities and features of the model CAPITANO-PD reciprocating compressor unit consist ofa high pressure compressor driven by a one cylinder diesel engine through a V-belt (Figure 1-1 and 1-2). The unitincludes gauges, hourmeters, fuel tank, purification system and a two part portable frame. The model CAPITANO-PD iscapable of providing 5.0 cubic feet per minute of free air compressed to 3200 psi The unit can be operated intemperatures ranging from 0 F to 110 F (-17.8 C to 43 C).a.CompressorThe compressor will deliver 5.0 cfm of breathing air compressed to 3200 psi. The cylinders arearranged in a "W" configuration The first stage is in the center, with the second stage on the left and the Compressor.The compressor is a three cylinder, three stage reciprocating piston, air-cooled third stage on the right when facing theimpeller/pulley. Lubrication of the third stage IS provided by a high-pressure oil pump. The first and second stages aresplash lubricated. The cylinders of the compressor, the intercoolers and the aftercoolers are air-cooled. Cooling air Isdrawn across the compressor by an axial fan impeller/pulley driven by the diesel engine An intermediate filter is installedbetween the 2nd and 3rd stages It includes a centrifugal plate to remove entrained air and oil and a sintered metal filterelement to remove solid particles.b.Diesel Engine. The air-cooled, four-cycle, one cylinder diesel engine develops 6 hp at 3600 rpm. An axial fanimpeller cools the engine The engine is started by use of a hand crank.c.Fuel Tank. The fuel tank is mounted above the engine, and is attached to the engine unit frame (Figure 1-1). Ithas a 2.38 gal (9 I) capacity with no reserves.d.Purification System. The purification system consists of an oil/water separator and a dryer/purifier. Theoil/water separator after the third stage includes a coalescing element for removal of oil and water aerosols. Thedryer/purifier contains a replaceable cartridge for removal of oil and water vapors and conversion of CO to CO2. Thedesign of the dryer/purifier requires that a cartridge filter be properly installed in order to maintain pressure on the system.This ensures that only treated air will be available for filling delivery.e.Frame. The frame consists of two sections, one section provides mounting for the reciprocating compressor,while the other provides mounting for the diesel engine. Each section is a welded fabrication of square steel tubing andangles. The sections are separately portable as four man carries Alignment studs are provided on the compressor frame,located at the top and bottom corners. These studs fit snugly into the corresponding open receptacles incorporated intothe engine frame For assembly of the two sections, the alignment studs of the compressor frame are inserted into theengine frame until the frames are tight together. Adjustable draw latches are provided for securing the two sectionstogether in alignment for operation.f.Drive. After the frame sections are secured together, a V-belt is installed over the pulleys of the engine andcompressor and belt guards are bolted on, completing the assembly of the unit and providing drive capability for thecompressor by the diesel engine.g.Intercoolers and Aftercoolers. Intercoolers are provided between stages 1 and 2, and between stages 2 and 3An aftercooler is situated between stage 3 and the final oil/water separator. Compressed air is cooled as it advancesbetween stages and before final delivery.1-3
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