Bristell B23
Airplane Maintenance Manual
Chapter 20
Issue: 30-Sep-2020
Chapter 20 Page 11
20-40
Lubrication
At assembling parts grease al joints and friction surfaces (bolts, pins,
and threads) after mechanical or chemical cleaning by lubricant
grease.
20-50
Adjustments and Tests
20-50-01 Control Surface Deflections
The control surface deflections are shown in the following table:
Aileron
24° ± 2° up
16
° ±
3
° down
Rudder
30° ± 2° right
30° ± 2° left
Elevator
19° ± 1° up
15° ± 2° down
Wing flap
0° ± 2°
1
0° ± 2°
25
° ± 2°
Difference between L/R flap deflections -
1.2°
Elevator trim tab
15° ± 2° up
25° ± 2° down
Aileron trim tab
15° ± 2° up
20° ± 2° down
Table 3
Control Surface Deflections
▶
Adjust control surface deflections to the values shown in
the Table 3. When adjusting the airplane control, neutral
position of the control surfaces is taken as the starting
point.
