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Introduction

If your springs become damaged or weak from extended use, it's wise to replace them to ensure proper function. These springs may be under compression/ tension, so be wary when removing/ replacing these parts.

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Étape 1 Battery and Handle

RYOBI P422 Safety Trigger Spring Replacement, Battery and Handle: étape 1, image 1 de 2

RYOBI P422 Safety Trigger Spring Replacement, Battery and Handle: étape 1, image 2 de 2

To remove the battery press down on the two buttons located on each side of the battery and pull away from the body of the grinder.
To remove the handle hold grinder with one hand and use the other hand to unscrew the handle with a counter-clockwise motion

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Étape 2 Safety Trigger Spring

RYOBI P422 Safety Trigger Spring Replacement, Safety Trigger Spring: étape 2, image 1 de 1

Lay grinder flat on its side so the screws are facing up

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Étape 3

RYOBI P422 Safety Trigger Spring Replacement: étape 3, image 3 de 3

Remove the four 1.8 cm screws from the lower and midsection of the body with a T20-20 Torque screwdriver.
Remove the 3.7 cm screws from the upper section of the body, with the same screwdriver

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Étape 4

RYOBI P422 Safety Trigger Spring Replacement: étape 4, image 3 de 3

Now that the two halves are unscrewed, remove the top half

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Étape 5

RYOBI P422 Safety Trigger Spring Replacement: étape 5, image 3 de 3

Remove the safety trigger along with the spring.
To remove the spring, pull it gently off the bottom of the trigger.
When putting a new spring in make sure it slides into the grove on the bottom of the trigger.