Do clean up purge air unit and filter motor of dust hunter and flowsic.-swivel window T/R also R-flange with tube of T/R from dirty of dust use instrument air supply also equipment cleaning tools & R unit alignment T/r also R unit result ok-transducer probe A also transducer B from dirty of dust use instrument air supply also equipment cleaning tools-CEMS room also filter cabinet MCS 100 E-gas CEMS room from dirty of dust use equipment cleaning tools and instrument air supply ( RIZAL & ANDRI )