Lenovo x3300 M4 7382 Installation And Service Manual page 222

• You have removed the blue optical drive rails from the side of the old drive and have them available
for installation on the new drive.
Note: If you are installing a drive that contains a laser, observe the following safety precautions.
Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure
to hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
DANGER
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the
following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Class 1 Laser Product
Laser Klasse 1
Laser Klass 1
Luokan 1 Laserlaite
`
Appareil A Laser de Classe 1
2. Read the safety information that begins in "Safety" on page v and "Installation guidelines" on page 169.
3. Turn off the server (see "Turning off the server" on page 24) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables from the server.
4. Unlock and remove the left-side cover (see "Removing the left-side cover" on page 193).
5. Open the bezel (see "Removing the bezel" on page 191).
6. Disconnect power and signal cables to the drive and the connectors on the system board (see "Internal
Cable Routing and Connectors" on page 172).
7. Remove the air baffle if installed (see "Removing the air baffle" on page 195).
8. Remove the fan assembly (see "Removing the fan assembly" on page 267).
9. Pressing the drive rail on the side of the DVD drive and grasp the front of DVD drive out of the server.
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System x3300 M4 Installation and Service Guide