Dell S4048T-ON Guide De Mise En Route page 11

Figure 2. Screws, GND Lug, and L-Bracket
3. Attach the assembly to the S4048T-ON chassis:
a. Apply the thread-locker compound to the two pan head screws.
b. Attach the GND lug and bracket assembly to the two-hole chassis
ground connector nuts on the S4048T-ON PSU side, tightening the
screws to ensure torque between 3–5 inch/lbs.
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