aftermarket service on a PC pump
Why modern aftermarket service teams focus on training, troubleshooting and life cycle performance—not just fixing pumps.
SEEPEX

In many facilities, aftermarket service has long been viewed as a reactive function. A pump fails, a call is made, parts are ordered and a technician is dispatched to “fix” the problem. Once the equipment is running again, service fades into the background—until the next failure. That model no longer reflects reality.

Today’s service organizations increasingly function as reliability partners, supporting equipment long before and long after a failure occurs. In progressive cavity (PC) pumping applications—where operating conditions, materials and installation details play an outsized role in performance—this shift is especially pronounced. Service teams are no longer just responding to breakdowns. They are educating operators, transferring knowledge, coordinating complex startups and helping facilities protect long-term asset value.

A look behind the scenes of PC pump aftermarket work reveals why this evolution is happening—and why many plants now depend on service teams as an extension of their reliability strategy. 

A Behind-the-Scenes View of PC Pump Service

Progressive cavity pumps occupy a unique space in industrial and municipal pumping. Many technicians are deeply familiar with centrifugal pumps but encounter PC pumps far less frequently. As a result, they may understand the basic operating principle without fully appreciating the nuances that determine service life and reliability. This gap becomes visible in the daily work of aftermarket service teams.


A typical day often begins before the phones start ringing. Service technicians review overnight emails, assess in-house repair work and prepare for scheduled startups or field visits. By mid-morning, calls begin coming in from facilities seeking help—sometimes for mechanical issues, sometimes for controls questions and often for troubleshooting problems that do not have a single obvious cause.

Rarely is a problem solved on a single phone call. Service teams may need to coordinate internally with engineering, review historical pump data or walk operators through diagnostic steps in real time. In other cases, technicians must travel to a user site, often at short notice, to address complex or critical issues that cannot be resolved remotely. What is striking is how little of this work involves simply replacing a part.

Instead, service personnel spend much of their time explaining why something failed, how it should operate and what needs to change to prevent repeat issues. In this way, aftermarket service becomes less about fixing equipment and more about stabilizing systems.

Reliability Begins With Understanding—Not Just Repairs

One of the most common challenges service teams encounters is not catastrophic failure, but misunderstanding. PC pumps, while robust, require specific operating and maintenance practices. When those practices are not understood, even well-intentioned adjustments can shorten pump life dramatically.

For example, packed sealing systems are designed to leak at a controlled rate to manage heat and friction. Operators unfamiliar with this design often attempt to eliminate leakage entirely, unintentionally accelerating wear and leading to premature failure. From the operator’s perspective, the pump failed unexpectedly. From the service perspective, the failure was predictable and preventable.


Rather than waiting for equipment to fail, service teams increasingly focus on knowledge transfer—shifting from reactive to proactive. They explain how the pump is designed to operate, what warning signs matter and which adjustments should and should not be made. These conversations often happen during troubleshooting calls, field visits or structured training sessions.

Training as a Core Aftermarket Function

Across the industry, facilities face a growing skills gap. Experienced technicians are retiring, taking decades of practical knowledge with them. Their replacements are often eager and capable but lack hands-on exposure to specialized equipment like PC pumps. Many are expected to maintain complex systems with minimal formal training.

Aftermarket training now extends well beyond brief startup instructions. It may include: 

  • On-site operator and maintenance training during commissioning 
  • In-depth workshops covering assembly, disassembly and inspection 
  • Factory-based training sessions where participants see pumps built and torn down 
  • Informal mentoring during field service calls and troubleshooting sessions 

These interactions help facilities operate their equipment correctly, and they empower technicians to make better decisions when problems arise. Rather than relying solely on trial and error—or defaulting to run-to-failure strategies—trained operators can identify issues early and take corrective action. 

Service Teams as Coordinators & Translators 

Modern pump installations frequently involve multiple stakeholders: pump suppliers, control integrators, electrical contractors and plant personnel. Misalignment between these groups can delay startups, complicate troubleshooting and increase risk during commissioning. 


Service technicians frequently act as translators, bridging the gap between mechanical and electrical considerations and aligning installation practices with design intent to ensure that everyone involved understands their role in achieving a successful outcome. This coordination may involve multiple meetings, documentation reviews and on-site collaboration—long before the pump ever moves fluid. 

When Reliability Is Truly Critical 

While many PC pump applications include redundancy, some installations leave little margin for error. Large, custom pumps in industrial processes may be impossible to remove from service without major disruption. In these cases, aftermarket support becomes mission critical. Rebuilding a large PC pump in place rather than returning it to a service center requires careful planning, specialized expertise and close coordination with plant operations. Parts must be staged, timelines compressed and work executed correctly the first time.

These situations highlight the full scope of aftermarket service. Facilities rely on service teams not just to restore operation, but to do so safely, efficiently and within narrow production windows.

Recruiting Challenges & the Future of Service

The evolution of aftermarket service is also shaped by workforce realities. Service teams often face recruiting and retention challenges. Skilled technicians are in short supply, and fewer young professionals enter the trades with prior exposure to rotating equipment. The complexity of modern pumping systems continues to increase.

Service organizations invest in internal training, mentorship and documentation to ensure expertise is not lost. They also work closely with distributor partners, providing guidance and support so local teams can handle more service needs independently. 


For younger professionals, the service side of the pump industry offers a compelling career path. It combines hands-on technical work, problem solving, travel and continuous learning—often with direct visibility into how equipment performs in real-world applications.

What Effective Aftermarket Support Looks Like Today

From the plant perspective, choosing a reliability partner means looking beyond parts availability. Effective aftermarket support is currently characterized by: 

  • Responsiveness: Timely access to knowledgeable technical support 
  • Expertise: Deep understanding of equipment design and application 
  • Education: Commitment to training operators, technicians and partners 
  • Coordination: Ability to align stakeholders during installation and startup 
  • Continuity: Ongoing support throughout the equipment life cycle 

When these elements are in place, aftermarket service becomes a stabilizing force rather than a last resort. 

Beyond Fixing: Building Reliability Together

The idea that service teams are “just fixers” is outdated. Modern aftermarket professionals function as educators, advisors and coordinators, helping facilities move from reactive maintenance to sustainable reliability. 

By transferring knowledge, supporting operators and staying engaged long after installation, service teams help ensure pumps deliver the performance and longevity they were designed to provide. 

In an industry facing increasing complexity and shrinking margins for error, aftermarket service is no longer optional. It is a critical part of how reliability is built and maintained over time.