IBM 342 7208 Service Manual page 12

7208 Tape Drive Service Guide
Safety Inspection Procedures
Figure 1. Safety Inspection
Perform the following safety checks.
1. Do a controlled system shutdown. Refer to the instructions in Topic 2, "Setting Up the 7208 Tape Drive," in the 7208 20GB External
8mm Tape Drive Model 342 Setup and Operator Guide.
2. Turn off the power to all external devices connected to the system unit.
3. Turn off the power to the 7208 Tape Drive ( 1 in Figure 1).
4. Turn off the power to the system unit 2 .
5. Unplug the 7208 Tape Drive external power cable from the electrical outlet.
6. Unplug the system unit power cable from the electrical outlet.
7. Check the 7208 Tape Drive external power cable for damage.
8. Check the external SCSI bus (signal) cable 3 for damage.
9. Check the SCSI bus terminator for damage.
10. Check the covers for sharp edges, damage, or alterations that expose the internal parts of the 7208 Tape Drive.
11. Check the covers for proper fit. They should be in place and secure.
12. Check the voltage label on the bottom of the 7208 Tape Drive to make sure it matches the voltage at your outlet.
13. Check the voltage level at the outlet and also check for proper grounding (see Figure 2 in topic FRONT_1.3).
¦ Copyright IBM Corp. 1998
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