D-4
(4) On the right side of the rack, install the other rail in the same procedure.
(5) Lift the unit, put the rear section on the rails, and push it into the rack.
NOTE:
The unit is very heavy. Be careful not to drop it while
lifting. Fasten four set screws at two left and two right points on
the front of the unit. The figure below only shows the right part
of the unit. Fix the left part of the unit similarly.
Set screws
Set screws