Hardware Legacy IGEL Devices EOL / EOS / EOM Archive D220 Disassembly Guide Current: Bottom Cover and Chassis PDF Download PDF Download page Bottom Cover and Chassis. Current page All pages Bottom Cover and Chassis Plug out the tactile sensor cable (1) and thread the cable through the opening in the chassis.Remove the memory (2).Remove the storage (3).Loosen four screws (4) and separate the bottom cover from the chassis. ×