14.
With the external power cable (
1
in Figure 19) connected to the 7206 Tape
Drive, check to ensure 1.0 ohm or less resistance between the ground lug on
the external power cable plug and the metal frame.
Note:
Use an analog meter to measure grounding resistance; do not use a
digital multimeter.
Figure 18. AC Grounding Diagram (50 Hz and 60 Hz)
Figure 19. Safety Inspection - Rear View of the 7206 Model 220 4mm Tape Drive
Appendix C. Safety Inspection Procedures
49
Summary of Contents for 220
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