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Use this guide to replace the small plastic gear located within a gear drone arm in your Holy Stone HS165 drone model.
Is your Holy Stone HS165 drone having issues flying? It could be that the gear within the arm is not functioning properly. Before following the guide below, spin all the drone propellers on each drone arm and make sure it’s not an issue such as the drone propellers themselves. If the gear within the drone arm is your issue, you will feel a very obvious click when spinning the drone arm.
If this issue goes unnoticed, your drone won’t fly properly and can lead to your drone crashing more frequently which can lead to the drone no longer working anymore.
Before starting:
There are a lot of small pieces in this guide so be sure to keep track of where you place each individual item.
We also suggest including a bowl as well to put the gears on so you don't lose them. It could make it easier when sorting through the gears to find the one with the correct measurement.
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Locate the defective drone arm on the drone.
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Remove the three 1.5 mm screws holding the propellers in place.
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Pull out the propeller.
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Remove the small plastic cap that's under the propellers.
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Remove the plastic cap that covers the gear with your hands but if needed, use a plastic spudger to support you.
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Using plastic tweezers, pry off the gear from the drone.
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Using a caliper, measure the size of the gear.
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Pull out the bag of plastic gears and find one that matches the original size.
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To measure the size of the gears accurately, use your caliper again.
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Place the gear in the previous spot.
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Now reattach the plastic cap from the previous step and push the propellers back in.
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UC Davis, Team 2-4, Andersen Winter 2025 crwdns2935289:0UC Davis, Team 2-4, Andersen Winter 2025crwdne2935289:0
UCD-ANDERSEN-W25S2G4
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