Cessna 510 Mustang Structural Repair Manual page 78

scale directly below the center mark on the sliding weight. The number read is the moment of the control surface
in inch-pounds. The moment must be assigned a + or - (Refer to Balancing Definition).
4. Balancing Definitions
A. Overbalance is defined as the condition when the surface is leading edge heavy and is defined by the symbol (-). If the
balance beam sliding weight must be on the trailing edge side of the hinge line (to balance the control surface), the control
surface is overbalanced.
B. Underbalance is defined as the condition when the surface is trailing edge heavy and is defined by the symbol (+). If the
balance beam sliding weight must be on the leading edge side of the hinge line (to balance the control surface), the control
surface is underbalanced.
C. Neutral balance is defined as the condition when the chord line of the control surface is level when the surface is balanced.
For this condition, the center mark of the sliding weight would be directly over the hinge line.
Copyright © Textron Aviation Inc.
Retain printed data for historical reference only. For future maintenance, use only current data.
Figure 4
Figure 5
Figure 6
FOR TRAINING PURPOSES ONLY
ISSUE 02 , JAN 2018
Model 510 Structural Repair Manual (Rev 2)
51-60-00-0 (Original Issue)
Print Date: Wed Mar 21 05:12:06 CDT 2018
Page 2 of 5