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5
Please ensure that the numerical markings on the bracket match those on the aluminum arm sleeves.
Incorrect installation may cause aircraft failure or ight accidents.
To install the arms’ top brackets, please make sure the markings on the aluminum sleeves of arms
match with those on top brackets.
a. For Arm No.1 (short), install on the same side as the upper plate of the airframe, and place the
arm bracket Position Number “1 & 3” close to the motor.
b. For Arm No.2 (short), install on the same side as the upper plate of the airframe, and place the
arm bracket Position Number “2 & 4” close to the motor.
c. For Arm No.3 (short), install on the same side as the upper plate of the airframe, and place the
arm bracket Position Number “1& 3” close to the motor.
d. For Arm No.4 (short), install on the same side as the upper plate of the airframe, and place the
arm bracket Position Number“2 & 4” close to the motor.
1
2
3
4
3
1
43
2
1
43
2
4
1
43
2
1
43
2
1
1
43
2
1
43
2
1
43
2
1
43
2
2
Arm
No. 1 Arm
No. 2 Arm
No. 3 Arm
No. 4 Arm
ArmPositionNumber
Warning
Arms Installation
Arm Bracket
Arm Bracket Position Number
