TM 5-5420-278-100013 000013 00-1OPERATING INSTRUCTIONSIMPROVED RIBBON BRIDGE (IRB)RAMP BAY M16NSN 5420-01-470-5825 P/N 12478918;INTERIOR BAY M17NSN 5420-01-470-5824 P/N 1247891.Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)GENERALOperator’s PMCS Table 1 is for the CBT, Table 2 is for the ramp bay, and Table 3 is for the interior bay. The tables list inspections and care required to keepthe equipment in good operating conditon. Operator PMCS are performed to ensurethat the equipment is ready for operation at all times. a. Before operation, perform PMCS intervals listed “Before.” Observe allcautions and warnings.b. During operation, perform PMCS intervals listed “During.” Observe allcautions and warnings.c. After operation, perform PMCS intervals listed “After.” Observe all cautionsand warnings.d. At any PMCS interval, if your equipment fails to operate, notify UnitMaintenance.PURPOSE OF PMCS TABLEThe purpose of the PMCS table is to provide a systematic method of inspectionand required service of equipment. In this way, small defects can be detected earlybefore they become a major problem, causing the equipment to fail to complete itsmission. The PMCS table is arranged with the individual PMCS procedures listedin sequence under assigned intervals. The most logical time (before, during, andafter operation) to perform each procedure determines the interval to which it isassigned. Make a habit of performing the checks in the same order each time. SeeExplanation of Columns for an explanation of columns in tables 1 and 2.EXPLANATION OF COLUMNSThe following is a list and description of the column headings in the PMCS table.a. Item Number. This column shows the sequence in which the checks andservices are to be performed, and is used to identify the equipment area on the Equip-ment Inspection and Maintenance Worksheet, DA Form 2404 or DA Form 5988-E.b. Interval. This column indicates when each check is to be performed.c. Item To Check/Service. This column identifies the item and location to beinspected by part, component, or assembly name.
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