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Verify correct switch installation and inspect for shipping damage to insulators, hot parts, and components.
Check interrupters for damage and ensure all required parts like connectors and brackets are present.
Drill mounting holes, install bolts, and mount the switch securely without twisting the base.
Verify correct latch overlap and position when the switch is fully closed.
Ensure interrupter lever is correctly positioned and free of contact with blade end when closed.
Confirm blade end casting makes metal-to-metal contact with interrupter lever before leaving jaw assembly.
Ensure interrupter trips the load while lever arm is in contact with blade end.
Check lever clears push bar and springs back to cocked position for next operation.
Verify push bar picks up lever minimum 0.500 inch during switch closing.
Ensure push bar maintains minimum 0.500 inch clearance from yoke during closing.
Confirm interrupter resets (cocks) for the next opening operation after switch closure.
Check blade rotates freely and closes completely without obstruction.
Operate switch periodically, clean and lubricate jaw contacts and blade end with approved grease.
Lubricate the hinge with factory approved lubricant if blade rotation requires light effort.
Check interrupter action; clean and lubricate push rod if stiff or corroded.
Inspect insulators for cracks, breaks, or flashovers.
Visually inspect hot parts, including the interrupter, for any damage.
Check for loose or missing hardware, particularly mounting and terminal pad bolts.
Visually inspect terminal pad areas for corrosion or signs of overheating.
Guidelines for recycling metals, plastics, electronics, cables, motors, and batteries.
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