RYOBI P422 Safety Trigger Spring Replacement

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

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

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

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

Remove the safety trigger along with the spring.

To remove the spring, pull it gently off the bottom of the trigger.