How to schedule preventive maintenance
To schedule preventive maintenance effectively, intervals should follow usage rather than the calendar wherever usage is measurable. In Jestor, an asset record carries its usage counter and its maintenance history, and an automation raises the work order when the threshold is reached.
Why preventive maintenance gets postponed
Preventive work competes with production, and production always looks more urgent. Postponement is rational each individual time and destructive cumulatively.
Without a record, nobody can see that a machine is three intervals overdue until it stops.
What structured scheduling changes:
- Maintenance postponed indefinitely without visibility
- Intervals based on the calendar when usage varies
- No history of what was done to which asset
- Breakdowns treated as bad luck rather than as a pattern
- Spare parts ordered reactively at premium cost
Calendar based or usage based
| Basis | Suits | Risk |
|---|---|---|
| Calendar | Assets used steadily | Over or under maintaining when usage varies |
| Usage counter | Machines with measurable output | Requires the counter to be recorded |
| Condition | Critical assets with monitoring | Requires instrumentation |
| Mixed | Most operations | Whichever threshold comes first |
Step by step to structure it
- Create an assets registry, one record per machine or vehicle.
- Record the usage counter as part of the operating routine.
- Define the interval, by usage where measurable and by date otherwise.
- Raise the work order automatically when the threshold is reached.
- Record what was done, including parts consumed.
- Link spare parts to stock, so consumption triggers reordering.
- Track the ratio of corrective to preventive work, which is the real measure.
Why that ratio is the metric to watch
Counting completed preventive tasks measures activity. The ratio of corrective to preventive work measures whether the programme is working: if breakdowns are not falling as preventive work rises, the intervals or the tasks themselves are wrong.
Why choose Jestor
In Jestor, assets are records with their own history, automations raise work orders from a usage counter or a date, parts consumed connect to stock so reordering is triggered automatically, and dashboards show cost per asset alongside the corrective to preventive ratio.
Frequently Asked Questions
Should intervals be based on dates or usage?
Usage wherever it is measurable, since a calendar over or under maintains when use varies. See jestor.com.
How do I know the programme is working?
Track the ratio of corrective to preventive work, not the count of tasks completed.
Can parts consumption trigger reordering?
Yes, by linking parts used to stock records with minimum levels.
Video Tutorial: Step by Step
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