TM 5-5420-278-24&P0018 000018 00-14Table 1. Unit Preventive Maintenance Checks and Services for Ramp Bay (Contd).ITEM TOITEMCHECK/EQUIPMENT NOTNO.INTERVALSERVICEPROCEDUREREADY/AVAILABLE IF:24Semi-Left ramp annuallyplate (2) and strap (3)a. Inspect ramp plate for cracks, brokenwelds, and condition of non-skid coating.Refer to WP 0076 00 for application ofnon-skid coating.b. Inspect pins and hinges for cracks,broken welds, or deformation of pinmounting holes.c. Inspect strap for tears or missing hook.d. Inspect ratchet for proper operation.a. Cracked orbroken welds noted. b. Pins and hingesare cracked, brokenwelds are noted, orhole deformationgreater than 50%hole diameter noted.c. Missing hook ortorn strap.d. Damaged ratchet.23Semi-Left outerannuallyponton side skin surface (1)a. Inspect surface area for punctures,holes, tears, seam ruptures, cracks, andbroken welds.b. Inspect seams for cracked or brokenwelds.a. Damage whichcumulatively addsup to a holeapproximately .26 in. (.66 cm) indiameter (the size ofa typical pen orpencil).b. Cracked orbroken welds noted.123
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