Laboratories5 to 50 psigYou will probably be called upon to fix someShops60 to 125 psigproblem on one of these stations. The three mostLaundries and dry cleaning plants70 to 100 psigcommon problems are wet air, not enough air, or no airat all. First you must trace the system to the station andHospitalsOrdinary service(tools, painting, and so forth)20 to 50 psig60 to 80 psigisolate the problem. It could be just an air valve that ishalfway open, a piping leak, a malfunctioning airreducer, an empty air receiver, or an overfilled moistureseparator. Figures 6-2, 6-3, and 6-4 are maintenanceSoot blowing for boilers80 to 125 psigrequirements for LP air compressor systems.Figure 6-2.—A maintenance index page for low-pressure air compressor systems (page 1 of 3).6-2
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