DJI CB.SB.000015, CP.SB.000163 User manual
Spreading Wings S900
User Manual
2014.08
V1.0
Spreading Wings S900
User Manual
Remounting the Landing Gear Servo
Remounting servos is not recommended as they are pre-installed.
Instructions
1. Connect the left servo cable to the “L” port of the landing gear control board.
2. Connect the right servo cable to the “R” port of the landing gear control board.
3. Press the SET button using a pin then power on. You will see a yellow LED beside the SET button ashing
quickly. Wait as servos complete position initialization.
4. Make sure the arm connecting to the servo is parallel to the link as shown in the following diagram.
5. Assemble the left and right servos to the left (between M3, M4) and the right (between M5, M6) parts of the
landing gear. Power off.
IN
R
L
To right servo
To left servo
To receive channel
(To F1 port if use A2)
Connecting arm
SET Button
LED
Servo
Link
After Installation
Recalibrating Servo Travel
Instructions
1. Keep your hands away from all moving parts.
2. Ensure the [R], [L] and [IN] connections are correct.
3. Keep the whole aircraft off of the ground during calibration, as landing gear will move.
4. Press and hold the SET button using a pin while powering on, then release. An LED will flash yellow
quickly. Press the SET button again. Auto calibration will begin and the LED will ash yellow slowly. DO
NOT obstruct any moving parts during auto calibration.
5. During calibration, the left landing gear will raise and lower, followed by the right landing gear.
6. After calibration, both the left and right landing gears will be lowered and the LED will display a solid green
light. This indicates that the landing gear is working properly.
If the LED is solid yellow after calibration, a problem has occurred. Carry out the instructions in
“Remounting the Landing Gear Servo” then try again.
Avoid obstructions during calibration. If the landing gear was obstructed, recalibration will be
required, per the above steps.
If the [R] and [L] servo cables are reversed, travel will not be measured correctly. Fix the
connections and recalibrate the landing gear using the above steps.
Landing gear travel has been pre-calibrated. Mechanical adjustment of the gear travel is not
recommended.
2014 DJI. All Rights Reserved.
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Part List
If you require a replacement part, locate the part that you wish to replace in the following tables. Then order
the package that comes with the specied part. The numbering of the part is dened as follow:
01-Frame Arm 02-Center Frame
03-Landing Gear
Frame Arm
M3x12.3 (hexagan)
S9012501CCW/
S9012502CW
S9012101B/
S9012201R
S9010801
S9010802
S9011001
M3x4.5
S9012902/
S9013002/
S9013102/
S9013202
S9012901/
S9013001/
S9013101/
S9013201
S9012301R/
S9012401G
S900
；
S9020101CCW
；
Package No.
CW as clockwise CCW as counter clock
； ； ；
wise B as Balck R as Red G as Green
Package Part No.
S9012102B/
S9012202R
S9012503
M3x10.3
S9012903/
S9013003/
S9013103/
S9013203
S9010401CCWB/
S9010501CCWR/
S9010601CWB/
S9010701CWR
S9012302/
S9012402
M3x12.3 (cheese)
；
S9010402/
S9010502/
S9010602/
S9010702
S9010403/
S9010503/
S9010603/
S9010703
S9010404/
S9010504/
S9010604/
S9010704
Part List
Package No. Name Part No.
4
5
6 S900 Frame Arm CW - Black S9010601CWB, S9010602, S9010603,
7 S900 Frame Arm CW – Red S9010701CWR, S9010702, S9010703,
8 S900 Motor Damping Unit S9010801, S9010802, M3x10.3
10 S900 Motor Mount Carbon Board S9011001, M3x4.5
S900 Frame Arm CCW - Black S9010401CCWB, S9010402, S9010403,
S9010404, M3x12.3 (cheese)
S900 Frame Arm CCW - Red S9010501CCWR, S9010502, S9010503,
S9010504, M3x12.3 (cheese)
S9010604, M3x12.3 (cheese)
S9010704, M3x12.3 (cheese)
2014 DJI. All Rights Reserved.
©
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