How to clean the top needle of the Keurig B77

crwdns2936025:01crwdne2936025:0 —

crwdns2935483:0crwdne2935483:0

Identifying the parts: 1.A is the water reservoir cover. 1.B is the "Head". The needle that punctures the K-Cup is in here.

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0

crwdns2935431:0crwdne2935431:0