Why is my Trimmer sound crackel and not cutting beard

When i pressed the start button, trimmer sound is sooooo crackel , rough . And not a single heir is cut . What happened and how to fix it.

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

My trimmer blad adjust tool is break down

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

Can fix this issue

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0