22
3. If necessary, use the micro-brush to very gently clean the inside of the baffle.
Be careful not to get any impurities into the vent.
How to proceed with the maintenance ?
1. When the cell is dry, use the cleaning brush, after wiping it, to remove
impurities. To avoid getting impurities into the vent, rotate the brush in the
direction shown in the figure. At the end of this step, the cell must have found
a black color.
2. Apply a very small amount of grease to the brush, wiping off any excess and
spreading it over the surface of the cell. The grease film must be very thin and
transparent. Be careful not to force on the metal buckle.
