Dragonfish Series Maintenance Manual
Inspection of power system
1.
Dismantle wingtip structure;
2.
Inspect if transmission structure is normal, such as sleeve
and connecting rod;
3.
Inspect if wingtip steering engine is normal;
4.
Dismantle wingtip motor;
5.
Detect if there is an excessive clearance in wingtip quick
release structure; replace quick release structure in time, if
there is an excessive clearance or other abnormalities;
6.
Detect motor and dynamic balance after mounting and
dismantling paddle;
7.
Dismantle motor;
8.
Detect if the motor seat and paddle seat are worn or
deformed; replace those with an abnormal structure in time;
9.
Detect motor and dynamic balance after paddle installation;
10.
Recover power system and install it on body; detect power
system and confirm installation and its performance.
Change of power system
1.
Change defective parts of power system in Type B and D
inspection and replace all parts of power system
compulsorily in Type C inspection.
Battery detection
1.
Inspect basic battery information via APP to confirm if there
is any abnormality; update battery version;
2.
Carry out dedicated battery detection;
3.
Maintain battery;
4.
Maintain battery with 50 times of charging and discharging
times by charging and discharging it for once compulsorily
and carry out factory detection for battery with 100 times of
charging and discharging compulsorily; it is suggested to
quit and scrap battery with 200 times of charging and
discharging or a use term of over 1 year to avoid affecting
flight safety.
Battery maintenance
1.
Charge and discharge battery for once in standard manner;
2.
Check if the voltage difference of battery cell is within 0.1V
after charging fully and leaving it for 6 hrs;
3.
Check if battery is bulged;
4.
Replace battery with leakage problems and damage in time;
5.
Inspect if there is any dirt or damage or foreign matters on
battery interface; clean them in time, if any.
Body
detection
through
disassembly
1.
Dismantle the body into modules and parts of the smallest
unit;
2.
Detect the surface of each part carefully to confirm if there
is any abnormality;
3.
Detect the functions of each module to determine if there is
any function abnormality or hidden hazards;
4.
Inspect the inside of body and wing visually and by
