Milwaukee 5262-21 Reduction Gear Assembly Replacement

はじめに

This guide will show you how to take the tool apart all the way down to the gears so that you can replace the reduction gear assembly. The reduction gear assembly can fail due to wear and tear. If you are experience grinding or slipping issues in the gearbox of your rotary hammer, the cause may be due to a faulty reduction gear assembly.

必要な工具と部品

手順1 Housing Assembly

Milwaukee 5262-21 Reduction Gear Assembly Replacement, Housing Assembly: 手順 1、 1の画像 1

Remove the ten 19mm T20 Torx screws shown in red.

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手順2

Remove the red Housing Assembly by lifting it up off of the tool.

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手順3 Reduction Gear Assembly

Milwaukee 5262-21 Reduction Gear Assembly Replacement, Reduction Gear Assembly: 手順 3、 2の画像 1

Milwaukee 5262-21 Reduction Gear Assembly Replacement, Reduction Gear Assembly: 手順 3、 2の画像 2

Remove the two 10mm T-10 Torx screws that attach the top brush holders to the motor housing.
Remove the two 10mm T-10 Torx screws that attach the bottom brush holders to the motor housing.

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手順4

Using a metal spudger, pry off each brush holder.

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手順5

Milwaukee 5262-21 Reduction Gear Assembly Replacement: 手順 5、 3の画像 3

Remove the four 37mm T20 Torx screws shown in red.

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手順6

Pull the front portion of the tool out from the motor housing.

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手順7

Milwaukee 5262-21 Reduction Gear Assembly Replacement: 手順 7、 3の画像 3

Remove the two 11.5mm T10 Torx screws shown in red.

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手順8

Pull the 120V armature assembly out of the diaphragm assembly.

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手順9

Using a metal spudger, pry the diaphgram assembly out of the gear case.

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手順10

Now that you have loosened the diaphragm, you can now pull it out of the gear case.

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手順11

Milwaukee 5262-21 Reduction Gear Assembly Replacement: 手順 11、 3の画像 3

The diaphragm assembly will be lathered in grease. In order to move forward, you may want to give it a wipe down to remove any extra grease.
After removing some grease (if needed), remove the two 15mm T20 Torx screws shown in red.

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