Step 2:
a) Join the upper (29) and lower (30) parts of the cover cap and slide them over the main tube (18).
b) Connect the lower end of the computer power cable (14) to the connector (13) on the frame of the device.
c) Now place the main tube (18) on the frame and fasten it with the hexagon nuts (21), spring washers (8) and
corrugated washers (20), using the socket wrench (64).
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