Planned Maintenance (PM) or Scheduled Maintenance is any variety of scheduled maintenance to an object or item of equipment. Specifically, Planned Maintenance is a scheduled service visit carried out to ensure that an item of equipment is operating correctly and to therefore avoid any unscheduled breakdown and downtime. The following is the recommended program of minimum preventive maintenance that client shall apply. Daily, weekly, monthly and/or periodic services shall occur as mentioned in the examples below.