Preventive Maintenance Of Motors Pdf Download
This will indicate trends in the condition of contacts. Contact resistance testing. Lubricate regularly according to manufacturer's instructions. We’ve Got You Covered.More Oct 13, 2014 video Short Circuit Protection Are you protected in the event of short circuit fault? Stainless steel cable ties provide a durable method of bundling, identifying and fastening cable in severe and harsh conditions. Check air gap between the rotor and stator with feeler gages at least annually.
Basic guidelines to control maintenance These guidelines will help you maintain motor controls. Consider which equipment you'll need and the time required to perform inspections and keep accurate records. The trend of the readings will indicate the condition of the motor and offer a guide to its reliability. Cleanliness. Check operation of contactors and relays by hand, feeling for any binding or sticking. Record keeping. Be sure to use only the lubricant specified for the machine in question. In poor environments, blow out dirt weekly; in normal environments, a quarterly or semi-annual cleaning should be adequate. Measurements should be made at the top, bottom, and on both sides of the stator. Open dripproof and totally enclosed motors are protected but must not be installed where air flow will be restricted or where excessive ambient temperatures might be encountered.
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