MAINTENANCE MANUAL
SAVANNAH S
Doc. No.:
MM-SVNH-EN
Revision:
07
Rev. Date:
07/11/2022
Proj. Ref.:
SVNH S
A/C:
Savannah S
Applies to Generic Serial Number:
yy-mm-54-xxxx
Page:
97/132
DOC
FMM00
7. Maintenance descriptions
7.1. Control surface travel setting
The following chapters describe how to set the control surfaces neutral position and travel.
7.1.1. Flaperon as aileron
All the push-pull rod of the lateral control are fixed in length and is not necessary to operate
adjustments. The only section to modify to operate the neutral setting of the Flaperon is constituted
by the first vertical push-pull rods after the torque tube bell crank. The following sequence permits to
align both flaperons at zero angle of deflection:
-
Set control stick in the center (90° in respect of the cabin floor) and lock it. Alternatively (less
precision), set the torque tube bell crank horizontally;
-
Set the Flap UP. In case of electric Flap actuator, switch on the Master, set Flap 1/2 and then
set the Flap fully UP newly. The voltage of the battery must be about 12.5 [V], the engine
must be off;
-
Set the left inner Flaperon on the ZERO of the jig SA200VG. The tolerance during the ground
setting is +/-0.5°;
-
Set the right inner Flaperon on the ZERO of jig SA200VG,
-
Verify the setting with the following procedure:
-
Unlock the control stick and move it;
-
Move the left inner Flaperon by hand and set to the ZERO of the jig SA200VG;
-
Not touch any part of the aircraft;
-
Check the right inner Flaperon resultant angle, it must be ZERO on the jig SA200VG;
-
If different values are found, correct as follows,
-
If right inner Flaperon results higher, rotate closing the first right push-pull rod uniball of
approximately 2 turn to obtain 0.5° Flaperon angle of variation;
-
Attention: the Flaperon can not be set with a difference higher that 0.5°, alternatively the
control stick can not have an angle more than 1° in respect of the vertical alignment;
-
Attention: rotating the uniball of push-pull rod, do not set excessively unsymmetrical the upper
in respect of the lower one. The minimum uniball insertion allowed in the rod is 5 pitches of
thread;
-
Attention: the uniball must be locked with counter-nut, closing against the rod at
approximately 6 [Nm].
