Manufacturing CEO Business Operations for Maintenance Operations

Why Manufacturing CEOs Must Lead Maintenance Operations

Maintenance is invisible when it works and catastrophic when it fails. Manufacturing CEOs who treat maintenance as a background function managed by facilities or engineering teams, rather than a strategic operational capability, discover the true cost of that neglect when a critical piece of equipment fails during a peak production period, causing customer delivery failures, contractual penalties, and the brutal economics of unplanned downtime.

The evidence is clear: unplanned equipment downtime is one of the highest-cost operational events a manufacturer can experience. When a production line stops unexpectedly, the direct costs include repair labor and parts, overtime to recover lost production, and scrap from interrupted runs. The indirect costs include delivery delays, expediting costs, customer relationship damage, and the long-term competitive harm of being perceived as an unreliable supplier.

Manufacturing CEOs who invest in disciplined maintenance operations convert maintenance from a reactive cost center into a strategic asset that protects production capacity, extends equipment life, and generates competitive advantage through reliability.

Maintenance Strategy: From Reactive to Proactive

Understanding the Maintenance Strategy Spectrum

Most manufacturers operate somewhere on the spectrum from purely reactive maintenance (fix it when it breaks) to world-class predictive maintenance (prevent failures before they occur). The CEO’s job is to understand where the organization currently sits on that spectrum, what it costs to operate there, and what investment in moving toward predictive approaches would yield.

The maintenance strategy spectrum includes:

Reactive (run-to-failure): No planned maintenance; repair after failure. Appropriate for non-critical, easily replaced equipment with low cost of failure.
Preventive (time-based): Scheduled maintenance at calendar or meter intervals. Reduces failures but can result in over-maintenance and unnecessary parts replacement.
Predictive (condition-based): Maintenance triggered by equipment condition signals (vibration, temperature, oil analysis, motor current). Optimizes maintenance timing to actual equipment condition.
Reliability-Centered Maintenance (RCM): Systematic approach to selecting the most appropriate maintenance strategy for each equipment type based on failure modes and consequences.

The appropriate strategy mix depends on the equipment base, production criticality, and the cost of failure. CEOs should require a maintenance strategy review that classifies all major equipment by criticality and assigns appropriate maintenance approaches.

Preventive Maintenance Program Management

Preventive maintenance (PM) programs are the foundation of operational maintenance discipline. A PM program defines what maintenance tasks are performed on each piece of equipment, at what interval, by whom, and with what parts and materials.

Common PM program failures include:

PM tasks defined too infrequently because of production schedule pressure
PM tasks skipped or deferred when the production schedule is busy
PM procedures not updated when equipment is modified or rebuilt
Parts not staged before PM execution, causing delays that reduce PM compliance
No feedback loop to validate PM effectiveness and adjust intervals based on findings

CEOs should track PM compliance rate (percentage of scheduled PMs completed on time) as a key operational metric. PM compliance below 85 percent is a warning sign that production scheduling is systematically crowding out maintenance activity. When that pattern is established, the organization is accumulating deferred maintenance that will eventually manifest as equipment failures.

Reliability Engineering and Root Cause Analysis

Building Reliability Engineering Capability

Reliability engineering applies systematic methods to understand equipment failure modes, predict failure probability, and design maintenance programs and equipment modifications that extend mean time between failures (MTBF). Manufacturing companies that invest in reliability engineering capability reduce maintenance costs, improve equipment availability, and extend asset life.

Key reliability engineering activities include:

Failure Mode and Effects Analysis (FMEA) for critical equipment
Weibull analysis of failure data to understand failure distributions and optimal replacement intervals
Root Cause Analysis (RCA) for significant failures
Equipment specification reviews for capital purchases to ensure maintainability
Lubrication program design and management

For smaller manufacturing companies that cannot justify a dedicated reliability engineering team, contracted reliability engineering services can provide periodic assessments and program design support.

Root Cause Analysis Discipline

Root cause analysis is the discipline of understanding why failures occur, not just what failed. When a pump fails, replacing the pump and returning to production addresses the symptom. Understanding why the pump failed (inadequate lubrication, misalignment, cavitation from improper installation) and fixing the underlying cause prevents recurrence.

CEOs should require RCA for all significant equipment failures, defined by minimum criteria such as downtime exceeding a threshold, repair cost exceeding a threshold, or safety incidents. The RCA process should produce a written report with identified root cause(s), corrective actions, and an owner for each corrective action.

RCA findings should be aggregated and reviewed quarterly. When multiple failures share a common root cause, systemic corrective action is required. If multiple pumps are failing due to the same lubrication issue, the solution is a lubrication program improvement that covers all similar pumps, not individual pump repairs.

Maintenance Planning and Scheduling

The Maintenance Planner Function

The maintenance planner is one of the highest-leverage roles in a manufacturing maintenance organization. A skilled planner converts maintenance work orders from requests into executable job packages: identifying the correct repair procedures, specifying the parts and materials required, staging those parts before the job is scheduled, and estimating the labor and downtime required.

When maintenance work is planned before execution, wrench time (the percentage of a maintenance technician’s day spent actually performing maintenance, versus waiting for parts, searching for procedures, or coordinating with operations) increases substantially. Industry benchmarks suggest that planned maintenance achieves wrench time of 55 to 65 percent, compared with 25 to 35 percent for reactive maintenance organizations.

CEOs should ensure the maintenance organization has adequate planning capacity: a common guideline is one planner for every 15 to 20 maintenance technicians. Underinvestment in planning is a false economy: the cost of the planner role is recovered many times over in improved technician productivity and reduced downtime.

Maintenance Scheduling and Production Coordination

Maintenance scheduling requires coordination with production operations to identify windows where equipment can be taken offline for planned maintenance. The manufacturing CEO must establish a culture and process where production scheduling and maintenance scheduling are integrated, and where planned maintenance is protected from cancellation unless a genuine emergency requires it.

The weekly maintenance schedule, developed by maintenance planners and agreed with production scheduling, should be treated as a firm commitment. Frequent cancellations of planned maintenance for production reasons indicate a management prioritization problem that will manifest eventually as increased unplanned downtime.

For manufacturing CEOs conducting a broader operational review, the manufacturing operations checklist provides a comprehensive framework that covers maintenance alongside other critical operational domains.

Spare Parts and Maintenance Materials Management

Critical Spare Parts Program

Spare parts inventory represents a significant investment for manufacturing companies, but inadequate spare parts availability causes extended downtime when critical equipment fails. The CEO must ensure the company has a rational spare parts policy based on equipment criticality, parts lead times, and failure consequences.

A critical spare parts program should:

Identify critical equipment whose failure would cause significant production disruption
For each critical piece of equipment, identify the parts that would extend downtime most significantly if unavailable
Establish stocking policy for critical spares based on lead time, failure frequency, and cost of downtime
Review critical spare parts inventory quarterly for completeness and condition
Manage obsolescence when equipment is retired or replaced

Over-stocking spare parts is expensive; under-stocking is catastrophic when a critical part is needed at 2 a.m. on a weekend. The right answer is a data-driven policy, not a blanket rule.

Maintenance Storeroom Operations

The maintenance storeroom is the supply chain for maintenance operations. A poorly managed storeroom, with parts stored in unknown locations, unreliable inventory records, and no controlled access, contributes to maintenance delays and excess inventory simultaneously.

Storeroom operational standards include:

Inventory accuracy (cycle count compliance)
Kitting service for planned work orders (parts staged before the job)
Controlled access to prevent informal parts withdrawal that creates inventory discrepancies
Vendor-managed inventory for high-velocity standard parts
Minimum/maximum stocking levels based on usage history and lead times

Maintenance Metrics and CEO Oversight

Overall Equipment Effectiveness

Overall Equipment Effectiveness (OEE) is the most comprehensive metric for manufacturing equipment performance. OEE measures the product of availability (percentage of planned production time the equipment is running), performance (actual production speed versus rated speed), and quality (percentage of output that meets specification without rework).

World-class OEE is generally considered to be 85 percent or above. Most manufacturers operate substantially below this level. The gap between current OEE and world-class represents the untapped capacity available through operational improvement, without capital investment in new equipment.

CEOs should track OEE by production line and machine as a leading indicator of maintenance program effectiveness. A declining OEE trend signals that maintenance practices, operating procedures, or equipment condition are deteriorating before catastrophic failure occurs.

Key Maintenance Performance Metrics

Beyond OEE, maintenance operations should be measured through:

Mean Time Between Failures (MTBF) by critical equipment
Mean Time to Repair (MTTR) by equipment category
Planned versus unplanned maintenance ratio (goal is 80 percent or more planned)
PM compliance rate
Maintenance cost as a percentage of estimated replacement asset value (ERAV)
Maintenance backlog in hours (total planned work awaiting scheduling)
Wrench time by maintenance craft

CEOs should review these metrics monthly and hold the maintenance organization accountable to improvement trajectories that reflect the investment being made in the maintenance program.

According to McKinsey, manufacturers that move from reactive to predictive maintenance approaches reduce unplanned downtime by 30 to 50 percent and maintenance costs by 10 to 25 percent. Those results are achievable with disciplined program implementation, appropriate technology investment, and CEO-level sponsorship of the cultural shift required.

Safety in Maintenance Operations

Maintenance personnel work in some of the most hazardous conditions in a manufacturing facility: confined spaces, energized equipment, elevated platforms, and with rotating machinery. Safety in maintenance operations requires specific programs beyond the general plant safety requirements.

Key maintenance safety requirements include:

Lockout/Tagout (LOTO) program: documented procedures for energy isolation before maintenance work, 100 percent compliance required
Confined space entry program: permit-required confined space procedures with atmospheric testing and attendant requirements
Hot work permit system for welding, cutting, and grinding operations
Electrical safety program including arc flash analysis and PPE requirements
Fall protection requirements for work at elevation

For a detailed treatment of plant-wide safety operations including maintenance safety, manufacturing plant safety covers the regulatory requirements and cultural elements that manufacturing CEOs must lead.

Technology in Maintenance Operations

CMMS and Asset Management Systems

A Computerized Maintenance Management System (CMMS) is the operational backbone of a disciplined maintenance program. The CMMS manages the maintenance work order process, tracks equipment history, generates PM schedules, manages spare parts inventory, and produces the metrics that drive continuous improvement.

CEOs should ensure the company is using a CMMS and that the data quality within the system is maintained. A CMMS with poor data quality (incomplete equipment records, inaccurate parts inventory, maintenance history not entered) does not provide the analytical foundation needed for reliability improvement.

Predictive Maintenance Technologies

Predictive maintenance technologies monitor equipment condition continuously and alert maintenance teams to developing failures before they become catastrophic. Available technologies include:

Vibration analysis for rotating equipment (motors, pumps, gearboxes)
Infrared thermography for electrical equipment and thermal anomalies
Ultrasonic testing for leak detection and bearing condition
Oil analysis for engine and gearbox condition
Motor current signature analysis for electric motors

These technologies require investment in sensors, data systems, and analytical capability. The ROI is typically justified by the avoidance of a single major failure and the associated downtime, repair cost, and production loss.

Summary: Maintenance as a Competitive Differentiator

Manufacturing CEOs who build world-class maintenance operations create a competitive advantage that is difficult to replicate quickly: it requires cultural change, capability development, systems investment, and sustained leadership attention. The returns are equally durable: reduced unplanned downtime, lower maintenance costs, extended asset life, and the operational reliability that translates into superior customer service.

The path from reactive to proactive maintenance begins with CEO commitment: commitment of resources, of management attention, of accountability for results, and of protection for the planned maintenance schedule. From that foundation, the technical disciplines of reliability engineering, maintenance planning, predictive maintenance, and root cause analysis can deliver the equipment performance results that drive manufacturing excellence.

For further context, explore Manufacturing CEO Business Operations Checklist and Manufacturing CEO Business Operations for Additive Manufacturing.