Without disassembly, sometimes it is possible to check for probable bearings problems. This is quite important for enhancing the productivity and long-life of the bearings.
- Discovery through sound of bearings
Discovery by identifying bearings sounds from non-bearings sounds. This requires rich experience and training. Putting hearing devices or hearings sticks on bearing outer shells can clearly hear bearings sounds.
- Discovery through working temperature
This method is comparative in nature, confined to situations with no or slight moving state changes. Thus the temperature should be continuously recorded. When bearings trouble occurs, not only temperature will be rise, also irregular changes will occur.
- Discovery through lubricant state
Sample and analyze the lubricant. Judge through bearings ‘filthy degree to determine whether or not foreign substance or mental powder is mixed with the lubricant. This method is especially effective for bearings unable to be closely examined and large sized bearings.