PREVENTIVE MAINTENANCE

Preventive maintenance inspection (PMI) is a system of routine inspections of equipment recorded for future reference on some type of inspection record. The purpose of PMI is to anticipate and prevent possible equipment failures by making periodic inspections and minor repairs in advance of major operating difficulties. Preventive maintenance directed specifically toward maintaining boiler efficiency is the exception, rather than the rule. Rising fuel costs have placed an increasing emphasis on conscientious maintenance because it results in higher boiler operating efficiency. Preventive maintenance practices are easily justified from an economical and safety standpoint. Tables 12-4 and 12-5 reflect NAVFACENGCOM recommendations for PMI.

Table 12-4.-PMI Checklist for Steam Boilers 350,000 Btuh or Less

Table 12-4(Continued).-Checklist for Steam Boilers 350,000 Btuh or Less

Table 12-5.-PMI Checklist for Hot-Water Boilers

Table 12-5(Continued).-PMI Checklist for Hot-Water Boilers

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