User Manual

EN
P-51D Mustang 1.5m
16
CAUTION: Always disconnect the  ight battery before performing
motor service.
Disassembly
1. Remove the screw (A) and spinner (B) from the prop shaft (C).
2. Remove the prop nut (D) and prop washer (E).
3. Remove the propellers (F), backplate (G) from the prop shaft.
4. Remove the 8 screws (H) from the backplate.
5. Remove the 4 screws (I) from the prop shaft and remove from motor shaft.
6. Disconnect the motor wires from the ESC wires.
7. Remove the 4 screws (J) and motor (K) from the motor mount.
8. Remove the 4 screws (L) from the motor to remove the X-mount.
Assembly
Assemble in reverse order.
• Correctly align and connect the motor wire colors with the ESC wires.
• Tighten the prop nut by using a wrench
Problem Possible Cause Solution
Oscillation
Damaged propeller or spinner Replace propeller or spinner
Imbalanced propeller
Balance the propeller. For more information, view John Redman’s propeller balancing video at
www.horizonhobby.com
Motor vibration Replace parts or correctly align all parts and tighten fasteners as needed
Loose receiver Align and secure receiver in fuselage
Loose aircraft controls Tighten or otherwise secure parts (servo, arm, linkage, horn and control surface)
Worn parts Replace worn parts (especially propeller, spinner or servo)
Irregular servo movement Replace servo
Inconsistent  ight
performance
Trim is not at neutral If you adjust trim more than 8 clicks, adjust the clevis to remove trim
Sub-Trim is not at neutral No Sub-Trim is allowed. Adjust the servo linkage
Aircraft was not kept immobile for
5 seconds after battery connection
With the throttle stick in lowest position. Disconnect battery, then reconnect battery and keep the
aircraft still for 5 seconds
Incorrect response
to the AS3X Control
Direction Test
Incorrect direction settings in the
receiver, which can cause a crash
DO NOT  y. Correct the direction settings (refer to the receiver manual), then  y
1
Disconnect the  ight battery from the ESC (Required for Safety and
battery life).
2 Power OFF the transmitter.
3 Remove the  ight battery from the aircraft.
4 Recharge the  ight battery.
5 Repair or replace all damaged parts.
6
Store the  ight battery apart from the aircraft and monitor the battery
charge.
7
Make note of the  ight conditions and  ight plan results, planning for
future  ights.
Wiring not shown
Troubleshooting Guide AS3X
Motor Service
Post Flight
G
F
H
C
E
D
B
A
D
L
H
K
J
I
Wiring not shown