Seagull Models Fairchild PT-19 Instruction Manual page 8

FAIRCHILD PT-19
! 2) Locate the two nylon control horns, two
nylon control horn backplates and four
machine screws.
2mm X 20mm.
! 3) Position the aileron horn on the bottom
side of aileron. The clevis attachment holes
should be positioned over the hinge line.
Mounting Screws.
! 4)Using a 1mm drill bit and the control
horns as a guide, drill the mounting holes
through the aileron halves.
! 5) Mount the control horns by inserting
the screws through the control horn bases and
aileron halves, then into the mounting
backplates. Do not overtighten the screws or
the backplates may crush the wood.
! 6) With the aileron servo centered and
the aileron even with the trailing edge of the
wing attach the clevis to the control horn. Mark
the control wire where it crosses the servo
arm hole.
8
Control Horn.
Mounting Plate.
Instruction Manual
Pen.
! 7) Make a 90-degree bend at the mark
and cut off the excess wire leaving 7mm past
the bend.
Clevis.
Snap keeper.
! 9) Connect the linkage as shown and
secure the control wire with a wire keeper.
Repeat the procedure for the other ai-
leron servo.
Cut.
7mm.