Page 18 - Oct24

Figure 3
The left wing flap track in Figure 3 (top) and the right wing flap track in Figure 4 (bottom). Check them during your preflight routine to make sure the washers are there, positioned correctly and in good condition.
Figure 3, top left, shows the flap track to the left of the center flap area, with the roller bearing on the right side of the flap track, closer to the center flap area. The single Teflon washer is sandwiched between the flap track and the roller- bearing shoulder.
Figure 4, bottom left, portrays the flap track to the right of the center flap area. The setup is a mirror image of the other side—the roller bearing positioned on the left of the flap track, adjacent to the center flap area, with the Teflon washer installed between the flap track and the roller bearing.
What You Are Looking For
You want to see that: A) the Teflon washers are there; B) the washers are correctly positioned next to the flap track, under the roller bearing shoulder; C) there is only one washer per roller bearing; and D) the washers are in good condition (not warped or deformed, worn or discolored).
These washers keep the roller- bearing shoulder from gouging into the flap track. Repair or replacement of flap tracks is something you want to avoid. It is very labor-intensive, and the parts are crazy expensive. By comparison, those Teflon washers at
Figure 4
16 • KING AIR MAGAZINE
OCTOBER 2024