Hangar 9 P-51D Mustang Sport 40 ARF Assembly Manual page 37


Step 4
Use a drill and 1/16-inch (1.5mm) drill bit to drill the four
holes for the retract servo mounting screws.

Step 5
Place 2–3 drops of thin CA in each of the holes to harden the
surrounding wood.
Hangar 9 P-51D Mustang Sport 40 Assembly Manual

Step 6
Secure the servo in the tray using the screws provided with
the servo and a #1 Phillips screwdriver. Attach the retract
valve to the tray at this time as well.

Step 7
Cut a 1-inch (25mm) piece of air line and attach it to the filler
valve. Place a T-fitting on the opposite end of the air line.

Step 8
Secure the filler valve to the tray as shown.
note: You can leave the filler valve loose in the fuselage
as well. You will have to use a longer piece of tubing on
the valve to do so.

Step 9
Cut a 3-inch (76mm) piece of air line to connect the actuator
valve to the T-fitting as shown.
37