Why Downtime Is a Strategic Opportunity
Production schedules often leave little room for anything beyond immediate operational demands. As a result, facilities often delay preventive maintenance until equipment failures, food safety concerns, or compliance issues force attention. Downtime, whether planned or unplanned, offers a perfect opportunity to get ahead of these issues and step back from the day-to-day production pressures.
Preventive maintenance refers to planned inspections, servicing, repairs, and equipment upkeep activities designed to identify and address issues before they lead to costly and dangerous outcomes, such as food safety risks or production disruptions. Additionally, preventive maintenance can have a significant business impact by reducing breakdowns and deviations, and ultimately improving compliance performance. Businesses can save countless dollars by avoiding compliance-related costs and equipment failures. Making preventive maintenance a priority is a strategic business investment. It is an investment in the organization, food safety, and product quality.
The Link Between Preventive Maintenance and Food Safety
Facilities often experience firsthand the connection between preventive maintenance and food safety, whether they realize it in the moment or not. Preventive maintenance is a food safety activity. Equipment condition can directly influence food safety risks, including contamination, foreign material hazards, and temperature control failures.
This is where HACCP systems and food safety programs intersect with preventive maintenance. Facilities manage preventive maintenance as a prerequisite program (PRP) that supports HACCP plans. Under FSMA, maintenance activities also support preventive controls by ensuring proper equipment function.
Three key areas to identify and address are biological, physical, and chemical hazards. For instance, improperly maintained equipment can create a favorable environment for pathogens to grow, posing a biological food safety hazard. Common examples include cracked conveyor belts that trap food residue and worn seals that allow moisture to accumulate, creating conditions that can support pathogen growth. Additionally, examples of physical hazards that facilities can address through preventive maintenance include broken machine parts, loose screws, and metal shavings from worn-down bearings, to name a few. Chemical hazards frequently play a role, as they can introduce contaminants into food, such as rust contamination, lubricant leaks from poorly maintained machines, or cleaning chemicals with faulty valves.
Reviewing and Updating Maintenance Records
An often overlooked element of preventive maintenance is reviewing and updating maintenance records. Documentation is often delayed until audit time. If the first time you wonder if your maintenance records are up to date is when the auditor asks to see them, it is too late.
It is critical that facilities maintain accurate documentation of their maintenance. The well-known industry phrase, “If it isn’t documented, it didn’t happen,” underscores the importance of accurate recordkeeping. Updating logs, reviewing service histories, reviewing corrective action records, or calibration and verification records are beneficial downtime activities that employees can perform during planned or unplanned downtime.
Facilities can elevate this process by conducting trend analysis of their records and implementing their insights. Reviewing maintenance log data can help identify recurring equipment issues, calibration problems, or multiple corrective actions that result in excessive downtime. Analyzing these trends can help identify underlying equipment errors, preventive maintenance gaps, or opportunities for process improvements. Combining documentation with trend analysis makes maintenance records a strategic tool for enhancing operational performance and reducing downtime.
Resource: Download our Equipment and Utensils GMP Checklist Template to review maintenance practices, equipment condition, and supporting documentation during planned downtime.
Cross-Functional Coordination During Downtime
One of the great parts of downtime is the opportunity to collaborate with other departments, such as maintenance, quality, and production teams. Interdepartmental teams can support one another in their preventive maintenance activities. Additionally, departments should plan their respective maintenance schedules to minimize disruption during production. Appropriate coordination ensures alignment between food safety and quality assurance requirements.
Production teams can identify common equipment issues during their daily operations, while maintenance teams can use their downtime to investigate and address concerns raised by production. Similarly, quality and food safety teams can assess the potential impact on product safety. Sanitation teams can continually perform cleaning and verification activities after the maintenance work.
Common Preventive Maintenance Pitfalls
In our industry, common mistakes are costly mistakes. Small oversights can have significant operational and financial impacts. There are several common pitfalls that facilities can slip into that weaken the work done during downtime.
One common mistake is failing to perform a root-cause analysis. An example of this is replacing a broken piece of equipment without determining why it broke. Downtime offers the perfect opportunity to investigate why the equipment failed and assess whether additional corrective actions are necessary.
Similarly, another common pitfall is failing to verify that the replaced part functions correctly. Facilities should not replace equipment without confirming it works properly. By proactively performing this verification, facilities can prevent disruptions to the production line, product quality issues, and potential additional maintenance problems.
Another common pitfall is failing to involve QA and sanitation teams after maintenance work has been performed. Maintenance activities can affect equipment hygiene, allergen controls, and food safety. Preventive maintenance is not solely a QA or food safety responsibility. Preventive maintenance affects all areas of an operation, from operations to maintenance to sanitation. Every department plays a role in ensuring food safety and quality.
Building a Stronger Preventive Maintenance Culture
Facilities should encourage and support proactive preventive maintenance year-round. Realistically, facilities will have busier production periods, which is why it is critical to maximize the slower times. Organizations know their business well, know when these time periods occur, and can work with their respective teams to build and maintain a positive preventive maintenance culture. Teams can use what they learn from analyzing schedules to improve during downtime.
A well-built preventive maintenance culture entails training staff to identify early warning signs during production, especially during peak production. It is beneficial to encourage employees to report unusual noises, vibrations, leaks, and recurring equipment issues before they become major problems. For preventive maintenance to succeed, teams need to be able to look past the chaos of the busy season to identify and prevent problem areas. Leadership support and involvement go a long way in sustaining a preventive maintenance culture.
Turning Downtime into Long-Term Reliability
It is important to shift the operations mindset to see downtime as a strategic advantage, not just a pause in production. There are extensive long-term benefits of successful preventive maintenance, including reduced risk, improved safety, and greater efficiency.
While the concepts of preventive maintenance apply across the food industry, every facility has its own specific operations and food safety challenges. Developing a successful preventive maintenance program is more than creating a task schedule. Facilities must develop a plan that aligns with their needs and maximizes downtime opportunities, including identifying risks, evaluating equipment performance, improving documentation, and building long-term processes.
Safe Food Alliance’s Training & Consulting team works closely with facilities seeking to improve their preventive maintenance plan. The team assists in identifying improvement opportunities and developing practical, facility-specific solutions to enhance operational performance. Preventive maintenance plans are as unique to each facility as the custom consults they receive.
Connect with a Safe Food Alliance expert today to identify opportunities to strengthen your preventive maintenance plan and make the most of your planned downtime.
