IBM 7208 345, Service Manual

Page: 42 / 68

To replace the drive, reverse the removal procedure. Make sure to:
v
Correctly insert and engage each cable to its proper connector.
v
Arrange the cables so that they do not interfere with the cooling fan blades or
the replacement of the cover.
v
After installing the cover, align the drive with the front of the cover, then tighten
the four screws (
2
in Figure 12 on page 27) that secure the drive to the chassis.
Note: The power supply connector J3 is not used in the 7208 Model 345 Tape
Drive.
Removing and Replacing the Power Supply
DANGER
Do not attempt to open the covers of the power supply. Power supplies are
not serviceable and are to be replaced as a unit. (RSFTD217)
To remove the power supply from the 7208 Tape Drive:
1.
Perform the cover removal procedure. Refer to “Removing and Replacing the
Cover” on page 26.
2. Tilt the 7208 Tape Drive (
1
in Figure 13 on page 29) on its side. Support the
power supply while removing the power supply mounting screw
2
from the
bottom.
3. Support the power supply while returning the 7208 Tape Drive to its original
position.
4. Disconnect the power supply connector (J1)
3
from the drive.
5. Disconnect the power supply connector (J2)
4
between the power supply and
the cooling fan.
6.
Grasp the rear of the power supply
5
and while pressing it toward the front
panel, lift the rear of the power supply, then remove it from the chassis.
7. Push the power switch push button
6
out of the front panel and set it aside.
8.
Remove the electromagnetic interference (EMI) gasket
7
and save it for
installation with the replacement power supply.
28
7208 Model 345 Service Guide