Removal and Installation of Horizontal Bus Barrier Panels
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Hazard of Electric Shock, Explosion, or Arc Flash
Failure to follow these instructions will result in death or serious injury.
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Sliding Barrier Removal
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Turn off all power supplying this equipment before working on or inside the equipment, and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.
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With one hand, slide the left panel to the right until it unsnaps from the right panel.
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Align the arrows on the left panel and top track as shown in Aligning the Arrows on the Panels. Lift the panel out of the bottom track, and remove the panel.
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Align the arrows on the right panel and top track as shown in Aligning the Arrows on the Panels. Lift the panel out of the bottom track, and remove the panel.
Sliding Barrier Installation
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Turn off all power supplying this equipment before working on or inside the equipment, and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.
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Align the arrows on the right panel and top track.
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Lift the panel up into the rear groove of the top track.
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Lower the panel into the rear groove of the bottom track.
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Slide the panel to the far right.
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Align the arrows on the left panel and top track.
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Repeat steps 3 and 4 using the left panel and front groove.
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Slide the panel to the left until it locks (snaps) into place.
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Verify that the barrier is completely closed by making sure that the wiring compartment is isolated from the bus compartment.
Fixed Barrier Removal
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Turn off all power supplying this equipment before working on or inside the equipment, and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.
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A captive rivet at the bottom of each bus barrier panel secures the panels to mounting brackets on the MCC (see Fixed Horizontal Bus Barrier, Horizontal Bus Barrier Installation and Removal, and Barrier Installed and Removed).
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Firmly grasp the head of the left side rivet and pull until the rivet releases from the mounting bracket.
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Pull out on the bottom of the left side panel until the tab at the top of the panel is clear of the top track (see Horizontal Bus Barrier Installation and Removal).
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Remove the panel from the MCC.
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Repeat steps 3–5 for the right side panel.
Fixed Barrier Installation
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Turn off all power supplying this equipment before working on or inside the equipment, and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.
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Insert the tab on the right side panel into the top track on the right side of the MCC and set it into place (see Horizontal Bus Barrier Installation and Removal and Barrier Installed and Removed).
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Secure the right side panel by pushing the rivet firmly into the hole of the mounting bracket.
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Repeat steps 2 and 3 for the left side panel.