Section IV. OPERATOR MAINTENANCE PROCEDURES

TM-5-4310-393-14 Air Compressor Diesel Engine Driven 20 CFM 3200 PSI Model KA7-DA Manual
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TM 5-4310-393-14 Section IV. OPERATOR MAINTENANCE PROCEDURES Paragraph Page 3-14 Reciprocating Compressor ..................................................................................... 3-14 3-15 Diesel Engine ........................................................................................................ 3-21 3-16 Purification System ................................................................................................ 3-27 3-17 Instruments ........................................................................................................... 3-28 3-18 Tubing and Fittings ................................................................................................ 3-30 3-19 Replace Fill Hose Assembly ................................................................................... 3-31 3-14. RECIPROCATING COMPRESSOR A. INTRODUCTION. This section covers maintenance procedures at the operator level for the compressor module. B. COMPRESSOR DATA. The reciprocating compressor block used with the model CAPITANO-PD is designated by the manufacturer as KC-FH US GOV'T. Table 3-2 lists important features of the Reciprocating Compressor. Figure 3-7 illustrates the general arrangement of the Reciprocating Compressor components. Table 3-2. Reciprocating Compressor Item Data Block designation KC-FH US GOV'T No. of stages 3 No. of cylinders 3 Cylinder bore, first stage 2.76 in (70 mm) Cylinder bore, second stage 1.42 in (36 mm) Cylinder bore, third stage 0.58 in (14 mm) Piston stroke 1.57 in (40 mm) Direction of rotation, facing flywheel CCW Oil capacity 1.5 quarts (1.42 I) Pressure range per stage: First stage 50-65 psi (3.45-4.48 bar) Second stage 450-610 psi (31-42.1 bar) Third stage 5000 psi max. (345 bar) * Safety relief valve settings (non adjustable): First stage 115 psi (8 bar) Second stage 725 psi (50 bar) Third stage According to operating pressure ** Pressure maintaining valve setting 2000 psi. * Factory set at 3200 psi for model CAPITANO-PD. ** 3450 psi for model CAPITANO-PD. 3-14

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