TM 9-2520-272-40
0056
8. Using f ngers, install 5/16-18 x 1-1/2 inch bolt (Figure 3, Item 11) two or three turns into one pitot tube (Figure
3, Item 13).
9. Pull pitot tube (Figure 3, Item 13) out of center housing (Figure 3, Item 1).
10.Remove O-rings (Figure 3, Item 10) and (Figure 3, Item 12) from pitot tube (Figure 3, Item 13). Discard
O-rings (Figure 3, Item 10) and (Figure 3, Item 12).
11. Repeat Steps 8, 9, and 10 for other pitot tube (Figure 3, Item 13), then go to Step 12.