Cleaning the fine air filter

Position the tool in a vice.

Remove the four screws from the handle using a torx screwdriver.

Remove the handle from the motor housing.

Remove the fine air filter from the valve housing.

Clean the fine air filter using a blow gun.

Replace the fine air filter if any damage or malfunction is detected.

Fit the cleaned or the new fine air filter in the valve housing.

Proceed with caution not to release the over speed shut- off mechanism.

Fit the handle to the motor housing.

Tighten the four screws in the handle to recommended torque.