Double Horse 9116 Teknik Kılavuz - Sayfa 7

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DH9116 Servo Move Modification

To fix the servo arm link touching the canopy, when the servo is at full throw forward, and also, in my opinion,

to fix the excessive outward flexing of the servo arm.

The servo is usually removed by unplugging it from the pcb, then unscrewing the two retaining screws, and

simply pulling it out, but for this mod, I needed to move the servo inside between the two metal side plates by

5mm, so the servo screw tabs would have to be on the inside, not the outside. So I removed the servo

completely from the frame, then super-glued two small nuts to the inside of the tabs. I then removed enough

screws from one side of the side plate, and the main shaft and anti-rotation bar / top main shaft mounting

block, to allow me to slip the servo into position between the two sides of the frame. After a quick alignment to

estimate how much the servo needed to be moved, I found the width of a small section of cable/zip tie was just

wide enough to slip in between the body of the servo and the side plate, and also between the servo body and

the screws. This gave me the desired adjustment I needed to keep the servo aligned and in position. I then

positioned and fixed down the servo to the other servo by the use of some 2mm thick double sided foam tape,

for extra support and to help any additional flexing or stress on the servo mounting screw tabs.

Then I replaced all the parts and screws and checked the alignment of the servo arm and linkage with the ball

on the swashplate.