Rockwell Automation Allen-Bradley 7712, Руководство пользователя

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Rockwell Automation Publication 7712-UM001D-EN-P - October 2017 65
Troubleshooting Appendix C
Door to Isolation Shutter
1. Open the LV door.
2. Remove the four M6 bolts located on the compartment floor
( Figure 44 ).
Figure 44 - Circumvent Door to Isolation Shutter, Removing the bolts
ATTENTION:
This procedure requires contact with medium voltage
components. To avoid shock hazards, complete the Power Lockout procedure
on
page 27 before servicing the equipment. Verify with a hot stick or
appropriate voltage measuring device that all circuits are voltage free. Failure
to do so may result in severe burns, injury or death.
WARNING:
Use suitable personal protective equipment (PPE) per local
codes or regulations. Failure to do so my result in severe burns, injury, or
death.
IMPORTANT
Before circumventing door to isolation shutter interlock:
• The contactor cart must be fully withdrawn.
• Earthing switch must be closed.