motor pics

top-down:
http://41.media.tumblr.com/72acc438196af891c25f55c5ccdaaec5/tumblr_o3nxmqE5zu1sqw4iko5_1280.jpg
electrical input component bolt (with provision for flathead screwdriver or drill bit,) and an upper casing lid bolt (plain):
http://36.media.tumblr.com/31c449d7eb9b9e6d191c07181b199633/tumblr_o3nxmqE5zu1sqw4iko1_1280.jpg
"main" bolt and spiderwebbed upper vents:
http://41.media.tumblr.com/f08350b21dfd886902377d522f93d7be/tumblr_o3nxmqE5zu1sqw4iko2_1280.jpg
underside:
http://40.media.tumblr.com/1d1aa6297e1f175b374b8c0de6adfc3a/tumblr_o3nxmqE5zu1sqw4iko3_1280.jpg
detail of underside (the motor spins freely, still well-lubricated and related internal components are apparently okay):
http://41.media.tumblr.com/c9d5a9d7c51d1ea82b0764c465f02ae4/tumblr_o3nxmqE5zu1sqw4iko4_1280.jpg