UDI U842 Quadcopter DC Motor Replacement

简介

The DC motors which power the propellers are relatively easy to break. Fortunately, they are also relatively easy to replace. By purchasing a cheap U842 motor (either U842-03 or -04 for counterclocwise and clockwise motors respectively) and following these simple instructions, your drone will be flying again in no time.

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步骤 1 Bottom Light

UDI U842 Quadcopter DC Motor Replacement, Bottom Light: 步骤 1 中的图像 1，2

UDI U842 Quadcopter DC Motor Replacement, Bottom Light: 步骤 1 中的图像 2，2

To open up the motor housing, first remove the bottom light by unscrewing,
One 6mm Phillips screw.

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步骤 2 Propeller Bumper

UDI U842 Quadcopter DC Motor Replacement, Propeller Bumper: 步骤 2 中的图像 1，3

UDI U842 Quadcopter DC Motor Replacement, Propeller Bumper: 步骤 2 中的图像 2，3

UDI U842 Quadcopter DC Motor Replacement, Propeller Bumper: 步骤 2 中的图像 3，3

Unscrew the single propeller bumper screw on the outside of the of the motor housing.

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步骤 3

UDI U842 Quadcopter DC Motor Replacement: 步骤 3 中的图像 3，3

Push up on each of the two tabs that connect the bumper to the bottom casing.
Slide the bumper up off of the drone.
The propeller is not shown in these photos because the steps for removing the bumper and the propeller are interchangeable. Choose whichever sequence feels most comfortable!

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步骤 4

To remove the propeller, first unscrew the propeller set screw.
Next, slide the propeller up off the motor gear shaft.

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步骤 5 Motor Casing Screws

UDI U842 Quadcopter DC Motor Replacement, Motor Casing Screws: 步骤 5 中的图像 1，2

UDI U842 Quadcopter DC Motor Replacement, Motor Casing Screws: 步骤 5 中的图像 2，2

Unscrew the three screws on the perimeter of the motor casing.
Three 6mm Phillips screws.

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步骤 6 Motor Casing

UDI U842 Quadcopter DC Motor Replacement, Motor Casing: 步骤 6 中的图像 1，3

UDI U842 Quadcopter DC Motor Replacement, Motor Casing: 步骤 6 中的图像 2，3

UDI U842 Quadcopter DC Motor Replacement, Motor Casing: 步骤 6 中的图像 3，3

Remove the motor casing by pulling up on the edges of the prismatic housing.
The casing may require heavy force to remove. Be cautious to avoid breaking the mating pins (shown up close in the third picture).

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步骤 7 Motor Mounting Screws

UDI U842 Quadcopter DC Motor Replacement, Motor Mounting Screws: 步骤 7 中的图像 1，2

UDI U842 Quadcopter DC Motor Replacement, Motor Mounting Screws: 步骤 7 中的图像 2，2

Remove the three motor mounting screws.
Three 6mm Phillips screws.

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步骤 8 Detach Motor Cable

UDI U842 Quadcopter DC Motor Replacement, Detach Motor Cable: 步骤 8 中的图像 1，2

UDI U842 Quadcopter DC Motor Replacement, Detach Motor Cable: 步骤 8 中的图像 2，2

The motor-cable plug appears to be covered in a waxy sealing material.
Use a thin blade or an X-ACTO knife to slice along the bottom of the wax to free the plug.

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步骤 9

UDI U842 Quadcopter DC Motor Replacement: 步骤 9 中的图像 3，3

Detach the motor cable by pulling outward and gently wiggling the plug.
Be careful to avoid pulling off the board-mounted connector, as shown in the third photo. If the connector starts to come loose, just press it back down and it will snap into place.

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