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Figure 1: A close-up of the washer and roller bearing installed on the flap track assem- blies. The Teflon washer is thin and white, and it’s positioned under the thicker sliver roller bearing.
installed on each of the aft flap track roller bearings. Figure 1 (right) shows the thin, white Teflon washer positioned under the roller- bearing shoulder, which is thicker and appears more silver.
On King Air models 200/250 and 300/350, these washers are found in the outboard flaps only, nestled between each flap track and its corresponding roller bearing. On King Air 90s, both flaps on each wing have the Teflon washer setup. You can slide the flap slightly from side to side to get a better view of the washer. A flashlight may be helpful.
Cessna Piston Twins
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OCTOBER 2024
KING AIR MAGAZINE • 13
