3. Attach the system board tray to the chassis base.
a. Insert the tray into the front of the chassis base at an angle of around 20 degrees.
b. Ensure the USB port on the system board is inserted into the USB port hole on the chassis
base.
c. Place the tray fully into the chassis base.
d. Attach the screws that secure the tray to the chassis base.
Note
• The at head D3x4 screws require a Phillips #2 screwdriver.
• A torque of 5 kgf.cm (4.34 lbf.in) ± 0.5 kgf.cm (0.43 lbf.in) is recommended for
electric screwdrivers.
| NAS Repair Manual
Category B NAS Models 53