First steps for startup of the Y-MP EL and cleaning of the motor generator.

Cleaning  and lubricating the motor generator after a long period of non-operation.

Cabling up the Cray Y-MP EL, studying the manuals.

Cleaning the air filters of the Y-MP EL – left before, right afterwards…

Backup of IOS ROMs.

Test of UNICOS tapes.

Powering up the Y-MP EL.