Maxtor D540X-4K Product Manual page 28

Installation
( K I W T G  
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3-10 Maxtor D540X-4K 20.4/40.0/60.0/80.0 GB AT
Mounting Screw Clearance for the Maxtor D540X-4K Hard Disk Drives
The PCB is very close to the mounting holes. Do not exceed
the specified length for the mounting screws. The specified
screw length allows full use of the mounting hole threads,
while avoiding damaging or placing unwanted stress on the
PCB. Figure 3-8 specifies the minimum clearance between
the PCB and the screws in the mounting holes. To avoid
stripping the mounting hole threads, the maximum torque ap-
plied to the screws must not exceed 8 inch-pounds. A maxi-
mum screw length of 0.25 inches may be used.