Power components service, Disassembly, Assembly – E-flite UMX B-17G Flying Fortress BNF User Manual

Page 10

Power Components Service

CAUTION: DO NOT handle propeller parts

while the ﬂ ight battery is connected. Personal
injury could result.

Disassembly

IMPORTANT: Service only one motor at a time.
Propellers and hardware are not interchangeable.
1. Disconnect the battery from the

ESC/receiver.

2. Carefully cut the tape on each nacelle and

remove the bottom half.

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 propellers as shown to remove and

install.

5. Hold the nut (A) on the end of the prop

shaft using needle-nose pliers or

hemostats.

6. Turn the gear on the shaft to remove the nut.

7. Gently pull the shaft (B) from the gearbox (C)

and make sure the washer (D) and two
bushings (E) are not lost.

8. Disconnect the motor from the ESC/

receiver.

9. Gently push the motor out of the

gearbox and remove the motor
through the bottom of the nacelle.

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. Ensure

that the propellers spin in the correct direction.
When facing the front of the aircraft, the left
propellers spin clockwise, the right propellers spin
counter-clockwise.

• Make sure a left or right propeller is installed on

the correct side. A propeller marked with an “R”
is for the left side when faceing the front of the
aircraft.

• Assemble each nacelle using clear tape.

Rem

sta

Insta