P-3
ASSEMBLY PROCESS PARTS – MAIN ROTOR HEAD 3 
Button Head Bolt, 3 x 5 mm
Button Head Bolt, 3 x 5 mm (2 pcs)
Seesaw Spacer Collar
Seesaw Spacer Collar (2 pcs)
Seesaw Assembly
...................2 pcs
.......................2 pcs
Be sure to note correct 
placement of the front 
and the back of the 
seesaw assembly.
*
*
P-4
ASSEMBLY PROCESS – MAIN ROTOR HEAD 4 
Socket Head Bolt, 3 x 15 mm
Flat Head Screw, 2 x 8 mm
Flat Head Screw, 2 x 8 mm (4 pcs)
Steel Joint Ball
Steel Joint Ball (2 pcs)
Hex Nut, 2 mm (4 pcs)
Washer, 3 x 4.5 x 0.7 mm
(Thickness 0.7 mm)
Washer, 3 x 4.5 x 0.7 mm
(2 pcs) (Thickness 0.7 mm)
Washer, 3 x 4.5 x 0.4 mm
(Thickness 0.4 mm)
.......2 pcs
....................4 pcs
......................4 pcs
..........................2 pcs
..........................2 pcs
...........................4 pcs
Hex Nut, 2 mm
Socket Head Bolt, 3 x 15 mm (2 pcs)
4pcs
2pcs
Use Red 
Threadlock
Red
 
Washer, 3 x 4.5 x 0.4 mm (2 pcs)
(Thickness 0.4 mm)
High Flybar ratio position
Low Flybar ratio position
2 p
cs
Red
Re
d