Maintenance Schedule, Cont’d
Locking and Interlocking Devices - Check these devices for proper working condition and capability of performing their Intended functions. Make any necessary replacements only with Allen-Bradley renewal parts
or kits. Adjust or repair only in accordance with Allen-Bradley Instructions.
Maintenance After a Fault Condition - Opening of the short circuit protective device (such as fuses or circuit breakers) in a properly coordinated motor branch circuit is an indication of a fault condition in excess
of operating overload. Such conditions can cause damage to control equipment. Before restoring power, the fault condition must be corrected and any necessary repairs or replacements must be made to restore
the control equipment to good working order. Refer to NEMA Standards Publication No. ICS-2, Part ICS2-302 for procedures. Replacements-Use only replacement parts and devices recommended by Allen-Bradley to
maintain the integrity of the equipment Make sure the parts are properly matched to the model, series and revision level of the equipment Final Check Out - After maintenance or repair of industrial controls,
always test the control system for proper functioning under controlled conditions; that avoid hazards in the event of a control malfunction. For additional information, refer to NEMA ICS 1.3, PREVENTIVE
MAINTENANCE OF INDUSTRIAL CONTROL AND SYSTEMS EQUIPMENT, published by the National Electrical Manufacturers Association, and NFPA70B, ELECTRICAL EQUIPMENT MAINTENANCE, published by the National
Fire Protection Association.
