Do we have a manual for the Bostitch BTE550 2 in 1 Staple and Nail Gun? Support October 03, 2020 18:14 Yes, Please click theAttachment below for the manual of the Bostitch® BTE550. Related articles BTE550 instructions Directives BTE550 AC4DCR080BCP Spec Sheet My pneumatic nailer / stapler will no longer drive the fastener completely; it seems to be losing power. Can this be repaired? Your instruction manuals refer to PSI and CFM. What's the difference? Comments 0 comments Please sign in to leave a comment.