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 orthe replacement of the cover.v After installing the cover, align the drive with the front of the cover, then tightenthe 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 TapeDrive.Removing and Replacing the Power SupplyDANGERDo not attempt to open the covers of the power supply. Power supplies arenot 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 theCover” on page 26.2. Tilt the 7208 Tape Drive (1 in Figure 13 on page 29) on its side. Support thepower supply while removing the power supply mounting screw 2 from thebottom.3. Support the power supply while returning the 7208 Tape Drive to its originalposition.4. Disconnect the power supply connector (J1) 3 from the drive.5. Disconnect the power supply connector (J2) 4 between the power supply andthe cooling fan.6. Grasp the rear of the power supply 5 and while pressing it toward the frontpanel, 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 forinstallation with the replacement power supply.28 7208 Model 345 Service Guide