User's Manual

BNF | RTF

Sport Cub S 2

Motor Service

130 x 70

CAUTION: DO NOT handle propeller parts

while the  ight battery is connected.

Personal injury could result.

Disassembly

1. Disconnect the battery from the ESC/receiver.

2. Carefully cut the tape and decals on the side of

the fuselage and behind the canopy to remove

the top of the fuselage.

IMPORTANT: Removing tape or decals can remove

paint from the fuselage.

3. Hold the prop shaft using needle-nose pliers or

hemostats.

4. Turn the propeller counterclockwise (facing the

front of the model) to remove. Turn the propeller

clockwise to install.

5. Carefully remove the damaged spinner and glue

from the propeller.

6. Hold the nut (A) on the end of the prop shaft

using needle-nose pliers or hemostats.

7. Turn the gear on the shaft clockwise (facing the

front of the model) to remove the nut.

8. Gently pull the shaft (B) from the gearbox

bushings (E) are not lost.

9. Disconnect the motor from the ESC/receiver.

10. Gently push the motor out of the gearbox

and remove the motor through the top of the

fuselage behind the ESC/receiver.

NOTICE: DO NOT remove the gearbox from the

aircraft. Damage to the aircraft will result.

Assembly

Assemble the aircraft using the instructions above

in reverse order.

• Correctly align the prop shaft gear with the

pinion gear on the motor.

• Connect the motor to the ESC/receiver so

that the powered motor turns the propeller

counterclockwise (facing the front of the model).

• Make sure the propeller size numbers (130 x 70)

face away from the motor (see illustration).

• Attach the spinner to the propeller using foam-

compatible CA (Cyanoacrylate adhesive).

• Assemble the fuselage using clear tape.

130 x 70