Inside FaciliWorks 8i: PM Scheduling Logic

FaciliWorks Faciliworks 8i
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Preventive Maintenance scheduling is one of the most important—and most misunderstood—parts of a CMMS.

Most organizations create PMs.
Far fewer optimize them.

In complex operations, PM scheduling directly impacts:

  • Asset reliability

  • Technician workload

  • Downtime exposure

  • Compliance readiness

  • Maintenance cost

  • Safety risk

The challenge is not simply creating PMs.
The challenge is creating PM logic that reflects how equipment actually operates.

How FaciliWorks 8i Supports PM Scheduling

FaciliWorks 8i supports multiple PM scheduling approaches, allowing organizations to match maintenance strategy to asset behavior and operational risk.

Common scheduling methods include:

  • Calendar-based PMs

  • Meter-based PMs

  • Usage-based scheduling

  • Inspection-driven PMs

  • Trigger/event-based maintenance

This flexibility matters because not all assets fail the same way.

A rooftop HVAC unit, production conveyor, compressed air system, and emergency generator should not all follow identical PM logic.

Calendar-Based PMs

The most common approach:

  • Daily

  • Weekly

  • Monthly

  • Quarterly

  • Annual schedules

Best for:

  • Regulatory inspections

  • Routine safety checks

  • Fixed compliance requirements

Challenge:
Calendar-only PMs can create:

  • Over-maintenance

  • Unnecessary labor

  • PM overload

  • “Check-the-box” maintenance

Discussion point:
Are your PM frequencies based on actual failure history—or legacy schedules nobody revisits?

Meter-Based PMs

8i allows PMs to trigger from operational usage rather than fixed dates.

Examples:

  • Runtime hours

  • Mileage

  • Production cycles

  • Compressor hours

  • Pump cycles

Benefits:

  • Maintenance aligns to actual equipment usage

  • Reduces unnecessary PMs

  • Improves reliability planning

  • Better for variable-use assets

This is especially valuable in facilities where equipment utilization changes seasonally or operationally.

Inspection-Driven Maintenance

One of the most practical approaches in modern maintenance programs:

Instead of automatically replacing components:

  • Inspect condition

  • Perform work if needed

  • Document findings

  • Escalate only when thresholds are exceeded

Examples:

  • Belt wear

  • Vibration indicators

  • Oil condition

  • Leak detection

  • Thermal inspection findings

This shifts maintenance from:
Time-based → condition-informed.

PM Scheduling Impacts More Than Maintenance

Poor PM logic affects:

  • Safety

  • Labor efficiency

  • Inventory planning

  • Production uptime

  • Audit performance

Overdue PMs are not just maintenance metrics.
They are operational risk indicators.

Questions worth asking:

  • Which PMs generate the most corrective work?

  • Which PMs never find issues?

  • Which assets repeatedly fail despite PM compliance?

  • Are PM intervals reviewed after failures?

The Bigger Issue: PM Optimization

Many organizations treat PM setup as a one-time implementation task.

In reality, PM schedules should evolve continuously using:

  • Failure history

  • MTBF trends

  • Downtime analysis

  • Technician feedback

  • Inspection findings

  • Seasonal operating conditions

A mature maintenance program does not just complete PMs.
It improves PM logic over time.

Open Questions

  • Are your PM schedules based on manufacturer recommendations or operational history?

  • Which PM interval created the biggest reliability improvement?

  • What percentage of your PMs are calendar-based vs meter-based?

  • Which PMs feel preventive—and which feel administrative?

  • How often does your organization review PM effectiveness?