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 MAINTENANCE after 100 flying hours 

 

 (about 45 hours per 

cycle)  

Aircraft

 

Check the clearance by lifting each motor and applying slight pressure to the side. Check the 
motors for signs of movement

 (1). 

 

Make sure that: the ventilation areas are free of dirt and dust particles; 
the motor cable sleeve leading into the flight frame has no signs of wear; the 
propellers have no cracks, signs of stress or corrosion holes; the cooling fan 
turns smoothly 

(1);

  

the arm lock is working properly; adjust if necessary. Remove dirt particles from the 
actuators, motors and cooling fan by brushing, spraying or vacuuming. 
Replace the gimbal vibration damper and gimbal vibration damper locks  
Examine the gimbal rail for signs of wear and stress marks

 (1). 

Make sure that the screws of the gimbal rail are tight. 
Make sure the gimbal arms turn freely. 
Examine the quick connector pins for the camera for signs of wear and clean them if 
necessary. We recommend that you apply cleaning solution for electronic components to a 
paper or cleaning cloth. 
Check that the camera lens threads are in perfect condition. Check that the propeller 
locks are in good working order, for signs of wear and that they are working properly. 
Replace the propeller locks and springs if they show signs of wear. Remove all dirt and 
dust from the motors and push them by hand to make sure there are no dirt particles in 
them, that they do not turn too sluggishly and that all propellers have one and the same 
rotating motion. 
Remove dirt and dust particles from the foot actuators. Remove dirt and dust particles from 
the foot actuators and check that the feet are firmly seated. 
Check the landing gear feet for signs of wear. Check all screws and tighten them manually if 
necessary 
 
 

ST16S ground station

 

Remove the battery and see if the connections are dirty. Clean the vents/fans with the 
hand vacuum or manual blower (do not use compressed air). 
Clean the joystick axle with the small hairbrush. 
Make sure the gimbal controller is secure and make any necessary adjustments. Make 
sure the throttle control is tight and make any necessary adjustments. Replace the screen 
protector if necessary. Check the screws on the frame/handle. 
Make sure that the switch mounting rings are tight. 

 

Perform the inspection flight. Log the inspection/maintenance.

 

 

(1) If there is wear/damage, we recommend having this work done by a Yuneec service 
workshop!

Summary of Contents for H520

Page 1: ...1 Maintenance Guide for H520 Revised version 9 14 18...

Page 2: ...es which must be performed at specified intervals This type of maintenance can be done by the user or must be done in detail by a Yuneec Authorized Service Center Table of contents General information...

Page 3: ...that you always install the latest firmware software on all Yuneec aircraft and related products Failure to update the aircraft ground station and camera system may result in flight errors for which...

Page 4: ...nes are turning smoothly the battery is fully charged the battery is completely located locked in the flying frame the propellers are locked on the engine the propellers have no dents cuts or other da...

Page 5: ...s for signs of wear Check that the camera filter threads are in perfect condition Make sure all screws are tight If necessary tighten screws manually Make sure that the cooling fan turns constantly an...

Page 6: ...at the propeller locks are in good working order for signs of wear and that they are working properly Replace the propeller locks and springs if they show signs of wear Remove all dirt and dust from t...

Page 7: ...they do not turn too sluggishly and that all of the propellers have one and the same rotating motion Check for lubrication and possible lubrication worn marks on the bearings Remove dirt and dust par...

Page 8: ...attery connector Secure all metal parts with threadlockers Inspect camera Open camera and remove dust and dirt particles Clean the lens board Clean the antennas Inspect the antenna connection Check th...

Page 9: ...on of the motors and replace defective parts if necessary Replace the landing gear actuators Replace the engine lock locking mechanism Replace the internal cooling motor Replace the fan of the ST16S g...

Page 10: ...s correct o The commissioning sequence is normal o The accelerometer has been successfully tested o Compass calibration was checked o The GPS signal has found and detected enough satellites o The stat...

Page 11: ...rk Insert a fully charged battery into the H520 The UpdatePilot application does not update the firmware when the battery level is less than 50 Open DataPilot and link the application to the aircraft...

Page 12: ...t while the software downloads the necessary firmware and software updates When the download update process is complete the application alerts you by changing its background color Close UpdatePilot re...

Page 13: ...Support 844 898 6332 Distribution 844 343 9966 uscs yuneec com Yuneec Europe GmbH Nikolaus Otto Strasse 4 24568 Kaltenkirchen Deutschland Support Hotline Germany 49 4191 932620 eucs yuneec com Yuneec...

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