Carf-Models Chengdu J-10 Instruction Manual page 10

Rudder*and*Fin*Installa(on***
The&rudder&linkage&consists&of&an&M3&
all&thread&and&two&ball&links.&Install&
one&ball&link&to&the&servo&horn&in&10&
mm&distance&from&the&center.&Then&
install&the&servo&inverted&into&the&rib's&
cut&out.&Use&the&2.9x13&mm&screws&
only!&
Then&insert&the&all&thread&through&the&
slot&and&screw&it&at&least&10&turns&into&
the&ball&link.&
Finally&install&the&ball&from&the&boRom&
side&to&the&double&thickness&rudder&
horn&and&turn&the&plasIc&ball&link&on&
the&all&tread&rod.&Adjust&length&if&
necessary.&