Bristell B23
Airplane Maintenance Manual
Chapter 20
Issue: 30-Sep-2020
Chapter 20 Page 13
Adjusting Rudder Deflections
▶
Carry out correction of rudder deflection setting by
adjusting the turnbuckles on the foot pedal side in the
cockpit.
Adjusting Trim Tab Deflections
Trim tab deflections are given by control actuator and they are fixed.
20-60
Inspections and Checks
20-60-01 Control Surface Deflections
For measuring deflections use protractor with deflecting pointer that
will be attached to an appropriate control surface by means of the
clamp.
Measuring Aileron Deflections
▶
Attach the protractor with the deflecting pointer on the
upper skin of the aileron by means of the clamp.
▶
Set the aileron to neutral position.
▶
Set the protractor to 0° –
starting value for measuring.
▶
Deflect aileron to the lower (possibly upper) extreme
position and read the deflection value.
▶
Check deflection values according to the Tab. 3.
Measuring Wing Flap Deflections
▶
Attach the protractor with the deflecting pointer on the
upper flap skin by means of the clamp.
▶
Set the wing flap to
the 0°position.
▶
Set the protractor to 0° –
starting value of measuring.
▶
Extend the flaps by means of the flap actuator to
individual positions and read the deflection.
▶
Check deflection values according to the Tab. 3.
