Explosion-proof motor connected to the pump
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What aspects should be included in the regular maintenance of explosion-proof motors? Do the bearings of explosion-proof motors need lubrication? What other things need to be taken into consideration?
Motors with base number 132 and below generally do not have oil filling holes; no grease is required, but the bearings need to be replaced regularly. For those with oil filling holes, the lubricant generally needs to be replaced every 6 months. 1. Open the dust covers of the oil filling port and the oil drainage port, ensure that the filling port is clean and free of debris, then use a manual or pneumatic grease gun to insert grease into the port until new grease comes out of the drainage port. 2. Remove the oil gun, let the motor run for 10–20 minutes to ensure that any excess grease has been discharged, then cover the oil filling port and the oil drainage port with their dust covers; the oiling process is now complete. Note: The motor lubricant added must be of the same brand and model as before, to avoid incompatibility between different types of lubricants. This is a common motor. Lubricated with grease. Find the motor manual to check; it explains everything clearly in the manual.
There doesn’t seem to be any standards. The manuals from motor manufacturers are also rather vague. Did the original poster encounter a specific problem?
This is the content from the motor manual
Our explosion-proof motors here don’t have oil filling holes either; we don’t know how to replace the lubricant, nor do we know whether it’s necessary to do so regularly
Those without oil filling holes require regular bearing replacement
Good question, good answer. Our factory’s flameproof motors also do not have a systematic lubrication system; instead, it is decided whether to maintain the motors based on observations during operation.
Under what circumstances do you usually add more?