Page 393 - Reciprocating Compressors Operation Maintenance
P. 393

378    Reciprocating  Compressors:  Operation and Maintenance






















                              Cylinder Bora  SUCtlonValve




                               DIAMETRICAL POLARIZATION








                      VALVE CORRECTLY             VALVE WILL  NOT
                       SEATED IN WOT               FIT  IN PORT
                        FIGURE 7-1. Noninterchangeable valves.




         Look  at  the  other  nuts  to  see  what  size  they are.  Stud  bolts  should  be
         replaced when their threads  become worn, corroded, or split because the
         holding  ability of the  nut-bolt  connection  is reduced.  Be certain  that  the
         new stud is long enough to engage all of the nut  threads.

                             FIRES AND EXPLOSIONS

         AFTERCOOLER AND COMPRESSOR      FIRES

           Compressor fires are always difficult  to analyze when the compressor
         is  in  proper  operating  condition  and  cylinder jackets  and  coolers  are
         clean, particularly on the water side.
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