Figure 4-11. Rudder Balancing
4-69. BALANCING RUDDER. (Refer to Figure 4-11.) To balance the rudder, the assembly must be complete
including the tip assembly and all attaching screws, the position light and wiring must be included. Place the
complete assembly horizontally on knife edge supports in a draft free area in a manner that allows unrestricted
movement. Place the tool on the rudder with the beam perpendicular to the hinge centerline. Calibrate the tool
as described in Paragraph 4-67. Read the scale when the bubble level has been centered by adjustment of the
movable weight and determine the static balance limit. If the static balance is not within the limits given in
Table IV-I, proceed as follows:
a. Nose Heavy: This condition is highly improbable; recheck calculations and measurements.
b. Nose Light: In this case, the mass balance weight is too light or the rudder is too heavy because of
painting; it will be necessary to strip the paint and repaint. If the rudder is too heavy as a result of
repairs, the repair must be removed and the damaged parts replaced.
Revised: 8/31/77
1E23
* CHEROKEE ARROW III SERVICE MANUAL
STRUCTURES
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