Homelite UT44172 Safety Switch Replacement

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はじめに

This guide shows how to replace the Safety Switch on the Homelite UT44172 4.8-volt Cordless Grass Shear. The safety switch must be pressed simultaneously with the operating switch for the blades to move. If the safety switch is stuck or loose, then it or its spring may need to be replaced.

必要な工具と部品

手順1 Opening the device

Homelite UT44172 Safety Switch Replacement, Opening the device: 手順 1、 1の画像 1

Remove the six 1.5 cm screws marked on the picture from the plastic casing with a Phillips #2 screwdriver.

翻訳

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手順2 Remove Faceplate

Homelite UT44172 Safety Switch Replacement, Remove Faceplate: 手順 2、 1の画像 1

Remove the faceplate to expose the inner mechanisms.

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手順3 Switch Removal

Homelite UT44172 Safety Switch Replacement, Switch Removal: 手順 3、 3の画像 1

Homelite UT44172 Safety Switch Replacement, Switch Removal: 手順 3、 3の画像 2

Homelite UT44172 Safety Switch Replacement, Switch Removal: 手順 3、 3の画像 3

Remove the safety switch by pulling it away from the body of device.
Be careful not to lose the spring, which is under pressure and may fly out during removal.

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手順4 Spring Replacement

Homelite UT44172 Safety Switch Replacement, Spring Replacement: 手順 4、 1の画像 1

Inspect both the spring and the switch to see if either is deformed or damaged. If so, replace the damaged part with a new part.
During reassembly, gently move the inner wires out of the way so they do not get caught in the spring.