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Aplus RC Trading Company LTD.
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Fuselage / Chassis
1.
Main shaft bearing: Normal replacement interval for proper operation is between 60-100 flights. If flying 3D or
extreme aerobatics often, inspect the bearing more frequently and shorten the interval as necessary.
2.
One-way bearing: One-way bearings have longer lifetimes. Failure is not common. To keep the one-way bearing in
good operation, remove it to clean and lubricate after every 50 flights. If the main drive gear is loose, you should
replace the one-way bearing.
3.
Drive belt: Aplus uses only top quality, stretch-proof belts. It is however, impossible to prevent the belt from
stretching or wearing out. Check belt tension regularly, and check for the wear on the teeth. Replace as necessary.
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Linkage Rods and Connecting Parts
During assembly, take special care to keep the connecting parts in smooth operation, and avoid excess play or
binding. Failure to do so will result in poor flight stability. The linkage rods and ends will break and wear due to
normal usage, crashing, and poor maintenance and environment. Check for wear and proper operation regularly,
replace as needed.
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Tail Rotor System
1.
Tail rotor control set: Check the tail rotor bearing regularly. If there is excess play or gaps replace immediately.
Avoid any binding or improper contact on the tail components and bearings as this will cause excess wear and heat,
potentially melting or deforming the tail system.
2.
Tail unit assembly: Avoid flying in tall grass or weeds. If grass or weed becomes lodged in the tail rotor unit, it will
interfere with the operation, and cause the helicopter to lose control. Always check for foreign objects in the tail
and clean them off immediately. Avoid using lubricants on the exposed surfaces of the model as it will attract and
collect dirt and debris, and cause failure.
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