Preventive maintenance (PM) consists of scheduled servicing, inspections, and vehicle repairs to prevent potential problems and maximize vehicle availability. It is used in fleet management to proactively avoid or reduce vehicle breakdowns and is based on time, mileage, engine hours, or gallons of fuel used.
Preventive maintenance actions include vehicle inspection, lubrication, adjustment, cleaning, testing, repair, and/or worn parts replacement. Read the article to know more about preventive maintenance.