crwdns2933897:0crwdne2933897:0

What causing the top handle lever stuck turn clockwise?

After closing the lip the top lever stuck and unable to turn clockwise. How to disassemble the top lip and explore the locking cam mechanism?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0