Western Digital Ultrastar Data60 Installation Manual page 42

Installation Guide
b. Align the keyholes on the inner rail to the mounting pegs on the side of the enclosure and
press the inner rail flush against the chassis. If the keyholes don't line up with the pegs, flip
the rail length-wise to see if this will align them.
Figure 17: Inner Rail Attachment
c. Slide the inner rail toward the rear of the chassis to lock it in place. There will be an audible
click and the mounting pegs will cover the front part of the keyhole.
Figure 18: Slide Inner Rail
d.
Install the two special low-profile M4 x 3.2mm Philips screws provided to secure the inner rail
to the chassis.
e. Follow these steps for the second inner rail on the opposite side of the enclosure.
Step 3 : Set the vertical rack rail depth to between 24" and 32".
Caution: When installing the inner rail onto the chassis, make sure to only use
the special Low-Profile M4 x 3.2mm Philips screws provided in the accessory
kit with the CMA. These screws should be tightened to .90-1.12 Nm / 8-10 in-
lbf using a # 2 Philips Screwdriver. These screws are specially designed for this
purpose. Using unapproved screws could cause damage to the slides inside the
rail.
5. Installation
5.3 Rails Installation
33