★ Scientific principle: gear mechanical principle
★ Power source: battery power
★ Applicable age: over 13 years old
★ Assembly time: 3HR
★ Difficulty: ★★★★☆
★ Origin: Made in Taiwan, designed in Taiwan
Please confirm the battery level, whether the battery is installed correctly, and whether the shrapnel is installed backwards. If the shrapnel is not in good contact with the battery, it will not be able to start without power.
Please check whether the order of the gear combinations in the gearbox is wrong or reversed according to the instructions.
It is recommended that you turn on the controller to check whether the shrapnel is in the wrong direction, or it may be that the metal shrapnel is excessively used to produce metal fatigue at the critical point of breaking.
Please refer to the manual to determine whether the parts B9 and B10 are not symmetrical and need to be installed correctly
Please check the reference manual D13 whether the parts are installed in the wrong direction, the direction is wrong and cannot be assembled tightly
Refer to the instruction manual to see if the C8 part is offset from the crawler device, re-install it and it can work normally!
Usually the operation is not smooth because the burrs are not trimmed cleanly. Check whether the burrs of the parts are completely cut according to the instructions.
You can contact our online customer service for supplementary matters
1. Disassemble according to the reverse steps of the manual
2. The registration number of the separated parts, so as not to worry about changing the parts next time
3. After the disassembly is completed, another change can be assembled
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