Yamaha Bassoons Owner's Manual - Page 12

Maintenance Bass Joint and Bell Joint Maintenance A cleaning swab (for the double joint) should be run through these sections about every other month to remove dirt from the instrument's interior. ■ Instrument Maintenance Use a polishing cloth once or twice a month to wipe the instrument's surface. 2. Apply a small amount of key oil between the key and key posts about once a month. Key and Pad Maintenance 1. Use a polishing cloth or silver cloth to wipe the key surfaces. * Wipe off any excess oil. 3. Use a tone hole cleaner to remove the dirt or dust that accumulates between the keys and body. 26