0014
TM 1-4920-924-13&P
AVIATION SHOP EQUIPMENT CONTACT MAINTENANCE (AV SECM) SYSTEM MAINTENANCE
INSTRUCTIONS FOR STRAP FASTENER LOOPS - (CONTINUED)
4.
On left side of third shelf, on top of rear aluminum rail (Figure 15, Item 6) measure from right end of aluminum
rail (Figure 15, Item 6) towards left 23.06 inches and from front of aluminum rail (Figure 15, Item 6) towards
back 0.62 inches and mark measurement (Figure 15, Item 8).
5.
At marked measurement (Figure 15, Item 8) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 8).
6.
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 6).
7.
On left side of third shelf, on top of rear aluminum rail (Figure 15, Item 6) measure from right end of aluminum
rail (Figure 15, Item 6) towards left 43.56 inches and from front of aluminum rail (Figure 15, Item 6) towards
back 0.62 inches and mark measurement (Figure 15, Item 5).
8.
At marked measurement (Figure 15, Item 5) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 5).
9.
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 6).
10.
Remove strap fastener loops (Figure 15, Item 3) and drill one 3/16 inch hole at six center punched marks
(Figure 15, Item 4, 5, 7, 8, 9 and 10).
11.
Install three strap fastener loops (Figure 15, Item 3) to aluminum rail (Figure 15, Item 6) 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).
12.
On left side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 29) measure from
right end of aluminum rail (Figure 15, Item 29) towards left 8.06 inches and from top of aluminium rail towards
bottom 0.75 inches and mark measurement (Figure 15, Item 25).
13.
At marked measurement (Figure 15, Item 25) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 25).
14.
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 29).
15.
On left side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 29) measure from
right end of aluminum rail (Figure 15, Item 29) towards left 23.06 inches and from top of aluminum rail
(Figure 15, Item 29) towards bottom 0.75 inches and mark measurement (Figure 15, Item 27).
16.
At marked measurement (Figure 15, Item 27) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 27).
17.
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 29).
18.
On left side of third shelf, on forward facing area of front aluminum rail (Figure 15, Item 29) measure from
right end of aluminum rail (Figure 15, Item 29) towards left 43.56 inches and from top of aluminum rail
(Figure 15, Item 29) towards bottom 0.75 inches and mark measurement (Figure 15, Item 30).
19.
At marked measurement (Figure 15, Item 30) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 30).
20.
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 29).
21.
Remove strap fastener loops (Figure 15, Item 3) and drill one 3/16 inch hole at six center punched marks
(Figure 15, Item 25, 26, 27, 27, 28, 30 and 31).
22.
Install three strap fastener loops (Figure 15, Item 3) to aluminum rail (Figure 15, Item 29) 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).
23.
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 7.06 inches and from front of aluminum rail (Figure 15, Item
13) towards back 0.62 inches and mark measurement (Figure 15, Item 17).
24.
At marked measurement (Figure 15, Item 17) position right side mounting hole (Figure 15, Item 2) of strap
fastener loop (Figure 15, Item 3) center on marked measurement (Figure 15, Item 17).
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