CHAPTER 51
PAGE 19
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
Procedure
1 Remove the control surface (refer to chapter 27).
2 Reinstall the bolts in two brackets.
3 Put the control surfaces on the balancing mandrels (use a
wire for the trim tab).
4 Level control surfaces and weigh by means of a con-
ventional spring balance (kg/g-indication) at the given
weighing points (figure 3) and enter the weight (m) in figure
4.
5 Measure distance of hinge center line to weighing point (r)
and enter the value in figure 4.
6 Calculate the control surface moment (M) in figure 4.
I M P O R T A N T If values exceed the given tolerances in figure 4 contact
the manufacturer before modifying of control surfaces.
7 Reinstall the control surfaces.
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