Western Digital Ultrastar Data60 Installation Manual page 55

Installation Guide
Figure 28: Swinging Motion of Crossbar to Locking Position
d. Press the crossbar against the CMA mounting bracket and secure the crossbar in place by
pressing and turning the thumbscrew clockwise until snug.
Figure 29: Tightening the Thumbscrew
a. Check that the crossbar is fully secured to the CMA mounting bracket by pulling on the bar
to ensure it does not move.
Step 12 : Install the CMA(s).
Note: The CMA has two arms, labeled "upper" and "lower." The lower arm should
have the elbow on the left side and be installed first; the upper arm should have
the elbow on the right side and be installed last.
5.2 Ultrastar Data60 Installation Procedure
5. Installation
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