Maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, governmental, and residential installations. Over time, this has come to include multiple wordings that describe various cost-effective practices to keep equipment operational, these activities take place either before or after a failure.
- The engine oil ensures smooth operation of the engine and prevents overheating.
- Check the oil level when the engine is cold (or stopped for a while) and horizontal.
Check the oil level when the engine is cold (or stopped for a while) and horizontal.