0014
TM 1-4920-924-13&P
AVIATION SHOP EQUIPMENT CONTACT MAINTENANCE (AV SECM) SYSTEM MAINTENANCE
INSTRUCTIONS FOR STRAP FASTENER LOOPS - (CONTINUED)
25. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 13).
26. On right side of third shelf, on top of rear aluminum rail (Figure 15, Item 13) measure from right end of
aluminum rail (Figure 15, Item 13) towards left 28.06 inches and from front of aluminum rail (Figure 15, Item
13) towards back 0.62 inches and mark measurement (Figure 15, Item 15).
27. At marked measurement (Figure 15, Item 15) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 15).
28. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 13).
29. On right side of third shelf, on top of rear aluminum rail (Figure 15, Item 13) measure from right end of
aluminum rail (Figure 15, Item 13) towards left 52.56 inches and from front of aluminum rail (Figure 15, Item
13) towards back 0.62 inches and mark measurement (Figure 15, Item 12).
30. At marked measurement (Figure 15, Item 12) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 12).
31. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 13).
32. Remove strap fastener loops (Figure 15, Item 3) and drill one 3/16 inch hole at six center punched marks
(Figure 15, Item 11, 12, 14, 15, 16 and 17).
33. Install three strap fastener loops (Figure 15, Item 3) to aluminum rail (Figure 15, Item 13) by installing six
11/64 inch blind rivets (Figure 15, Item 1) into mounting holes (Figure 15, Item 2) of three strap fastener
loops (Figure 15, Item 3).
34. On right side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 22) measure
from right end of aluminum rail (Figure 15, Item 22) towards left 7.06 inches and from top of aluminum rail
(Figure 15, Item 22) towards bottom 0.75 inches and mark measurement (Figure 15, Item 18).
35. At marked measurement (Figure 15, Item 18) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 18).
36. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 22).
37. On right side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 22) measure from
right end of aluminum rail (Figure 15, Item 22) towards left 28.06 inches and from top of aluminum rail
(Figure 15, Item 22) towards bottom 0.75 inches and mark measurement (Figure 15, Item 20).
38. At marked measurement (Figure 15, Item 20) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 20).
39. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 22).
40. On right side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 22) measure from
right end of aluminum rail (Figure 15, Item 22) towards left 52.56 inches and from top of aluminum rail
(Figure 15, Item 22) towards bottom 0.75 inches and mark measurement (Figure 15, Item 23).
41. At marked measurement (Figure 15, Item 23) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 23).
42. Center punch right and left side mounting holes (Figure 15, Item 2) of strap fastener loop (Figure 15, Item 3)
onto aluminum rail (Figure 15, Item 22).
43. Remove strap fastener loops (Figure 15, Item 3) and drill one 3/16 inch hole at six center punched marks
(Figure 15, Item 18, 19, 20, 21, 23 and 24).
44. Install three strap fastener loops (Figure 15, Item 3) to aluminum rail (Figure 15, Item 22) by installing six
11/64 inch blind rivets (Figure 15, Item 1) into mounting holes (Figure 15, Item 2) of three strap fastener
loops (Figure 15, Item 3).
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