For some unknown reason, I cannot remove the free arm cover in order to clean lint from inside. Info in manual can be seen here:
http://manuals.husqvarnaviking.com/VSM/Husqvarna%20Viking/HVManual.nsf/1fd5659e6f37141041256697003e64c0/de210fba65cb0805852575ed0070df04/$FILE/Huskylock_936_manual_EN.pdf
How to remove the free arm cover
page 8)
1. Lift it up to release the clamps.
2. Pull it to the left.
I know I've removed it before but it won't budge this time. Also can't get into my yahoo account to ask help from that group.