0014
TM 1-4920-924-13&P
AVIATION SHOP EQUIPMENT CONTACT MAINTENANCE (AV SECM) SYSTEM MAINTENANCE
INSTRUCTIONS FOR STRAP FASTENER LOOPS - (CONTINUED)
47. At marked measurement (Figure 13, Item 19) position left side mounting hole (Figure 13, Item 2) of strap
fastener loop (Figure 13, Item 3) center on marked measurement (Figure 13, Item 19).
48. Center punch left and right side mounting hole (Figure 13, Item 2) of strap fastener loop (Figure 13, Item 3)
onto aluminum rail (Figure 13, Item 20).
49. On top of rear aluminum rail (Figure 13, Item 20) measure from outside edge of corner casting
(Figure 13, Item 23) from right towards left 39.75 inches and from front of aluminum rail (Figure 13, Item 20)
towards back 0.75 inches and mark measurement (Figure 13, Item 17).
50. At marked measurement (Figure 13, Item 17) position left side mounting hole (Figure 13, Item 2) of strap
fastener loop (Figure 13, Item 3) center on marked measurement (Figure 13, Item 17).
51. Center punch left and right side mounting hole (Figure 13, Item 2) of strap fastener loop (Figure 13, Item 3)
onto aluminum rail (Figure 13, Item 20).
52. On top of rear aluminum rail (Figure 13, Item 20) measure from outside edge of corner casting
(Figure 13, Item 23) from right towards left 53.00 inches and from front of aluminum rail (Figure 13, Item 20)
towards back 0.75 inches and mark measurement (Figure 13, Item 15).
53. At marked measurement (Figure 13, Item 15) position left side mounting hole (Figure 13, Item 2) of strap
fastener loop (Figure 13, Item 3) center on marked measurement (Figure 13, Item 15).
54. Center punch left and right side mounting hole (Figure 13, Item 2) of strap fastener loop (Figure 13, Item 3)
onto aluminum rail (Figure 13, Item 20).
55. Remove strap fastener loops (Figure 13, Item 3) and drill one 3/16 inch hole at eight center punched marks
(Figure 13, Item 14, 15, 16, 17, 18, 19, 21 and 22).
56. Install four strap fastener loops (Figure 13, Item 3) to aluminum rail (Figure 13, Item 20) by installing eight
11/64 inch blind rivets (Figure 13, Item 1) into mounting holes (Figure 13, Item 2) of four strap fastener
loops (Figure 13, Item 3).
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