e. Attach the screws that secure the system board to the tray.
Note
• The at head M2x4 screws require a Phillips #1 screwdriver.
• A torque of 2 kgf.cm (1.74 lbf.in) ± 0.5 kgf.cm (0.43 lbf.in) is recommended for
electric screwdrivers.
2. Attach the backplane to the drive cage.
Warning
Do not touch the components on the circuit board or allow the components to come into
direct contact with metallic objects. Doing so may cause damage.
| NAS Repair Manual
Category B NAS Models 51