4. Use the provided torque wrench tool to release the Ultrasonic converter, by using a fixed wrench to
hold the lower shaft and the torque wrench to unfasten the hexagonal adapter.
CAUTION: Not using the fixed wrench to hold the lower shaft could damage the mesh irreversibly.
5. Leave the Ultrasonic converter very carefully where indicated, over the foam.
CAUTION: Be careful when putting the converter over the foam.
288 Chapter 11 Hardware maintenance