2.2.5 Leakage Classification and Definitions

SECTION II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

Figure 2-10. Pumping Assembly Model 609-A PMCS routing Diagram. (Sheet 1 of 2)

TM-10-4320-344-10 Pump Assembly Water 600 GPM Model 609-A (NSN 4320-01-184-7494) Model 609-C (NSN 4320-01-261-6470) Model US636HCCD-1 Manual
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TM 10-4320-344-10 2.2.2.4 Procedure column. This column gives the procedure you must do to check or service the item listed in the Check/Service column to know if the equipment is ready or available for its intended mission or for operation. You must do the procedure at the time stated in the interval column. 2.2. Not Fully Mission Capable if: Column. Information in this column tells you what faults will keep your equipment from being capable of performing its primary mission. If you make checks or service procedures that show faults listed in this column, do not operate the equipment. Follow standard operating procedures for maintaining the equipment or reporting equipment failure. 2.2.3 Other Table Entries. Be sure to observe all special information and notes that appear in your table. 2.2.4 Special Instructions. When a check and service procedure is required for both weekly and before intervals, it is not necessary to do the procedure twice if the equipment is operated during the weekly period. 2.2.5 Leakage Classification and Definitions. Fluid leakage is classified and defined as indicated below. CLASSIFICATION Class I Class II Class III DEFINITION Seepage of fluid (indicated by wetness or discoloration) not great enough to form drops Leakage of fluid great enough to form drops but not enough to cause drops to drip from item being checked Leakage of fluid great enough to cause drops to drip from item being checked Fluid levels of items with Class I and Class II leaks must be checked often so proper levels can be kept. Class III leaks must be reported to supervisors or to Unit Level Maintenance for corrective action. 2.2.6 Order inWhich PMCS Will be Done. Figures 2-10, 2-11, and 2-12 show the order in which you are to perform your PMCS. Figure 2-10 is for model 609-A, Figure 2-11 is for model 609-C, and Figure 2-12 is for model US636HCCD-1. The number callouts on Figures 2-10, 2-11, and 2-12 correspond to the numbers in the Item No. column of Tables 2-10, 2-11, and 2-12. 2-16 NOTE

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