TOMARK, s.r.o.
Airplane Maintenance Manual
Chapter 51 Standard Practices Structure
Issue: 28.FEB 2017 Page 139
51-60 Control Surface Balancing
General
The weight and balance of control surfaces needs to be determined
after execution of work on the surface with (potential) change of total
mass and/or balancing (example: new paint or other repair).
NOTE Check weighing scale currency of calibration.
Procedures described are of general nature and not limited to a
specific airplane unless stated specifically.
▶ If required: Remove the respective control surfaces from the aircraft.
▶ Determine total weight of the control surface and enter in respective
column of record form.
▶ Use balancing support mandrels as shown in the following figure:
▶ Level the balancing support mandrels (3, Figures 19 thru 22) to a
horizontal attitude.
▶ Install bolts in two control surface ball bearings (flap, rudder,
elevator).
▶ Install a wire in the aileron piano hinge.
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