Preventive Maintenance vs Production Availability
Adopt condition-based maintenance intervals validated against equipment qualification data to satisfy regulatory reliability obligations while maximising availability.
CyberTRIZ analysis · ChemicalIndustry contradiction QR002 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
Preventive maintenance reduces unexpected equipment failures by servicing assets according to predetermined schedules. However, maintenance shutdowns temporarily remove equipment from production, reducing manufacturing availability and affecting production schedules, particularly in continuous chemical processes.
The Contradiction
More preventive maintenance improves long-term reliability but reduces short-term production availability.
Why the Contradiction Exists
Equipment must be taken offline even when it is operating normally to perform inspections, lubrication, calibration, or component replacement.
Applying Chemical Industry TRIZ
Rather than relying solely on fixed maintenance intervals, organizations should adopt condition-based maintenance that aligns interventions with actual equipment condition.
Solution Strategy
Utilize predictive diagnostics, vibration analysis, oil monitoring, thermal imaging, and equipment health indicators to optimize maintenance timing.
Applicable TRIZ Principles
Principle 13-The Other Way Around performs maintenance according to equipment condition rather than fixed schedules.
Principle 23-Feedback continuously evaluates asset health.
Principle 35-Parameter Changes adjusts maintenance intervals according to equipment performance.
Expected Results
Higher production availability
Improved maintenance effectiveness
Reduced unnecessary maintenance
Lower operating costs
Increased equipment reliability