How to build an industrial lubrication plan

An industrial lubrication plan organizes asset lubrication based on technical criteria. When that plan doesn’t exist or is poorly structured, lubrication ends up depending on the individual lubricator’s experience, operational memory or generic calendars.

On the other hand, some plants apply exactly what manuals say, without considering the plant’s actual operating reality. Either way, the result is the same: risk of incorrect application, too much or too little lubricant, contamination and premature component wear.

In this article, you’ll see how to build a preventive lubrication plan from scratch, from mapping lubrication points to building routes, standardizing SOPs, controlling execution and reviewing continuously.

By the end, we’ll cover how lubrication management can evolve from a calendar-based model to a condition-based strategy.

Why do most lubrication plans fail before they’re even executed?

Most lubrication plans fail because they’re built under urgency, not method.

Instead of starting with point mapping, asset criticality and defining frequency, quantity and lubricant, the team jumps straight to execution.

The lubricator heads to the field with a set routine, but without the technical criteria needed to ensure each point gets the right treatment.

The result is a vicious cycle: lack of method compromises application, inconsistent application generates rework, contamination and recurring failures, and the team, busy fixing the same problems, never gets around to reviewing the root cause of the poorly structured plan.

This impact shows up clearly in bearings, components that are highly sensitive to lubrication quality. According to an article in Machinery Lubrication magazine titled “Lubricant Failure = Bearing Failure,” failures related to improper lubrication account for 40 to 50 percent of bearing failures, stemming from incorrect product selection, improper quantity, contamination and excessive temperatures.

What is an industrial lubrication plan and what should it include?

An industrial lubrication plan is the technical document that organizes how lubrication will be executed, controlled and reviewed across the plant.

It defines which assets will be lubricated, which points need attention, which lubricant to use, in what quantity, at what frequency, using which method and how it will be logged.

The plan also plays a strategic role in lubrication management. It shouldn’t function as a maintenance routine on its own, but as the foundation for reducing failures linked to improper lubrication and improving control over costs, lubricant consumption and route execution.

In practice, it’s important to tell a lubrication plan apart from a lubrication route:

• Lubrication plan: the complete strategy. It brings together technical criteria, assets, points, lubricants, frequencies, quantities, procedures, indicators and reviews.
• Lubrication route: the organized field execution of that strategy. It shows the lubricator’s path, the points to attend to and the sequence of activities by area, shift or periodicity.

A solid plan rests on three pillars: correct frequency, correct lubricant and correct quantity.

When one of these fails, the risks increase: over-lubrication, insufficient lubricant film, mixing incompatible products, contamination and premature wear.

That’s why, before building a lubrication route, these three parameters need to be technically defined for each mapped point.

How to build a lubrication plan from scratch: 8 steps

Below is a step-by-step approach to structuring the plan operationally, from initial inventory to continuous review.

The goal is a methodology that fits into the maintenance routine, with criteria for defining lubricants, frequencies, quantities, routes, records and performance indicators.

Step 1 – Asset mapping and inventory

The first step in building an industrial lubrication plan is to survey all the equipment and lubrication points across the plant.

This mapping should start with the most critical assets: the ones with the greatest impact on production, safety or maintenance cost.

During the survey, the professional needs to account for both the most obvious components and the less visible points.

Bearings, mounts and gearboxes are usually easy to identify. Chains, open gears, articulated arms, guides, spindles and hard-to-reach points also need lubrication and shouldn’t be overlooked.

When there’s no manufacturer manual, the team should define lubrication points with support from:

• Field inspection
• Controlled testing
• Lubrication specialists
• Failure history
• Comparison with similar equipment

This survey keeps the lubrication route from being built purely on habit or operational memory.

To organize assets, a recommended practice is building an asset tree: a hierarchy that runs from the plant’s location down to the component. A commonly adopted generic structure is:

Industrial Plant > Area > Sector > Line > Machine > System > Equipment > Part

This hierarchy makes it possible to map exactly which part is covered by the plan and which machine it belongs to. The machine is the level that defines criticality, since it’s what directly impacts production.

On the Dynamox Platform, the asset tree is structured the same way, integrating continuous vibration and temperature sensor monitoring at each mapped point. This makes it possible to track each component’s condition continuously.

See an example view below:

Step 2 – Defining criticality

With assets mapped, the next step is to define the criticality of each piece of equipment. This classification helps prioritize the assets that require tighter control within the lubrication plan.

For this step, the team can build a criticality matrix based on criteria set internally by maintenance and reliability. In a lubrication context, three practical criteria stand out:

• Impact on production
• Cost of downtime
• Failure history

Critical assets should receive differentiated treatment: more frequent inspection, more detailed procedures and, where applicable, condition-based lubrication.

Step 3 – Technical specification of lubricants

With assets and points mapped, the next step is to specify the correct lubricant for each application.

This choice shouldn’t be based only on equipment type, but on the real operating conditions of the lubricated point.

Criteria that should guide the selection include:

• Operating temperature
• Regulatory requirements and work environment
• Cost versus performance
• Compatibility with the asset

The specification should account for characteristics such as viscosity, base oil, additives, thickener, NLGI grade and compatibility between lubricants (per DIN 51517 for industrial lubricating oils and ASTM D445 for viscosity).

These criteria help prevent failures caused by insufficient lubricant film, product degradation, rising temperatures and improper mixing of greases or oils.

The plant should also aim for a standardization strategy: the goal isn’t to use the same product on every asset, but to consolidate the smallest possible number of lubricants without compromising the technical needs of each point.

As a result, this simplifies purchasing, storage, field identification and team training, reducing the risk of incorrect application.

📍To go deeper on lubricant selection, check out our article on types of industrial lubricants.

Step 4 – Defining frequency and quantity

After specifying the lubricant, the next step is defining when and how much to apply to each piece of equipment. This is one of the most critical stages of the plan: both too little and too much lubricant compromise component performance.

Frequency can follow two models:

• Time-based lubrication: application at fixed intervals, such as days, weeks, months or operating hours.
• Condition-based lubrication: application defined by the asset’s actual behavior, based on signals like temperature, vibration, noise, visual inspection or lubricant analysis.

To calculate the relubrication interval for bearings, formulas based on parameters like rotation speed, bearing type, temperature and grease type can be used.

For grease-lubricated bearings, it’s also important to calculate the applied volume.

The formula to estimate the amount of grease for bearing relubrication is:

 Gp = 0.005 × D × B

Where:

• Gp = amount of grease, in grams
• D = bearing outer diameter, in millimeters
• B = total bearing width, in millimeters

See a practical example below:

Step 5 – Building lubrication routes

With points defined, the team can build the lubrication route. This route organizes field execution and shows which points need lubrication in each period.

Building it should account for three main criteria:

• Plant area, to organize points by location
• Shift, to fit execution into the operational routine
• Frequency, to separate daily, weekly, monthly or condition-based activities

The route should be easy to consult during execution. Visual aids like plant maps, QR codes at points and laminated cards on the machine can help.

This way, the route guides the lubricator on where to go, when to execute and which points to attend to.

Step 6 – Standardizing procedures (SOPs)

The absence of SOPs undermines execution of the industrial lubrication plan because it leaves the activity without a clear field standard.

Even when the plan defines lubricant, frequency and quantity, that information needs to be translated into an objective procedure so the route is executed the same way every time.

Each SOP should indicate:

• Sequence of steps for the activity
• Required tools
• Mandatory PPE
• Type of lubricant
• Quantity to apply
• Application method

Put simply, this standardization makes route execution, team training and activity control easier.

Step 7 – Traceability and execution control

One of the biggest challenges in lubrication management is proving whether scheduled points were actually lubricated.

Without traceability, the manager knows a route is planned but can’t confirm what was executed, when, by whom or under what conditions.

This control can be handled at different maturity levels:

• Physical logs, for manual execution records
• CMMS, for opening, tracking and maintaining a history of work orders
• Field apps, for digital route logging and execution evidence
• Sensors, for tracking conditions like temperature and vibration after lubrication

Beyond logging the activity, the plan needs to track minimum execution and performance indicators, such as:

• % of routes executed within the scheduled period
• Lubricant consumption per asset
• Failures linked to improper lubrication

With this control, the manager gains the data to identify delays, missed points, out-of-pattern consumption and assets that keep failing even after the route is executed.

To optimize traceability and execution control, PCM, Reliability Engineering and Predictive Maintenance can work together, a topic covered further below in this article.

Step 8 – Continuous plan review

An industrial lubrication plan isn’t static. Once routes are up and running, the team should review frequencies, quantities, lubricants and methods whenever there’s a relevant change in asset condition or operating regime.

Some review triggers include:

• A new failure linked to lubrication
• A change in load or operating regime
• Out-of-pattern oil analysis results

Over time, this review lets part of the plan migrate from a preventive logic to a condition-based logic. Instead of lubricating on a calendar alone, the team factors in the asset’s actual conditions: temperature, vibration and lubricant analysis.

This way, continuous review keeps the plan aligned with the plant’s reality and prevents lubrication from running on outdated parameters.

The role of PCM and reliability engineering in managing the industrial lubrication plan

Managing the industrial lubrication plan should involve both PCM and Reliability Engineering, with complementary responsibilities:

• PCM: organizes routes, distributes activities by period, tracks work orders and checks whether tasks were completed on time.
• Reliability Engineering: builds the plan, defines the technical strategy, assesses asset criticality, flags points that need tighter control, defines performance indicators and identifies opportunities to migrate to condition-based lubrication.

In practice, PCM organizes routine execution, while Reliability guides the technical criteria that support the plan. This division keeps lubrication from being treated as just a task calendar and connects execution, indicators and continuous improvement.

There’s also a difference in focus: the maintenance manager tracks people, deadlines, costs and route compliance. The reliability engineer analyzes indicators, such as recurring failures or abnormal lubricant consumption, and proposes adjustments to the plan.

Both need to track asset condition. One of the main reliability techniques applied here is CBM (Condition-Based Maintenance): intervention is defined based on the asset’s actual, current condition and its projected future condition. Alongside it, predictive maintenance uses continuous monitoring to anticipate failures before they happen.

By monitoring asset condition, it becomes possible to identify defects or anomalies that reveal problems in the lubrication plan.

With the Dynamox Platform, purpose-built for predictive maintenance, both PCM and Reliability Engineering get access to analysis tools that enable concrete action:

• PCM: generate work orders from reports that identify lubrication non-conformities.
• Reliability Engineering: analyze failures and trends, define criticality and operational risk, and propose proactive improvements to the lubrication plan.

Technology as an ally in executing and controlling the lubrication plan

Technology doesn’t fix a poorly structured plan, but it helps execute, control and review lubrication with more precision.

Once the plant has mapped points and defined frequencies, quantities and procedures, it’s time to decide how to lubricate and what tools to use:

Centralized lubrication

Distributes lubricant to multiple points through pumps, lines and metering devices.

Reduces human variation in application, since dosing is controlled by the system itself. Makes logging and monitoring easier on assets with many points or difficult access.

Single-point systems

Suited to assets with few lubrication points that still need regular, controlled application. These make sense when equipment criticality, failure cost or access difficulty justify automating that specific point.

• Automated: automated lubricators at each point handle the relubrication process. They can be scheduled at fixed intervals or triggered as needed.
• Manual: a technician travels to the point and applies the relubrication directly.

With asset condition monitoring, predictive platforms like the Dynamox Platform can be used to analyze asset behavior charts. One available technique is the “lubrication carpet” analysis:

Lubrication carpet: a visual tool that cross-references lubrication frequency and friction data. It helps identify points that keep showing anomalies even after lubrication, supporting decisions about revising the plan.

In short, technology should be layered on as a control mechanism over the plan: it helps confirm whether lubrication was executed, whether assets responded as expected and which points need to migrate from a preventive routine to a condition-based approach.

Indicators for measuring lubrication plan efficiency

To know whether the industrial lubrication plan is working, the team should track simple, recurring indicators:

• % of scheduled routes completed: shows how many routes were executed within the expected timeframe.
• Failure rate linked to lubrication: indicates whether failures from too little, too much, contamination, wrong product or incorrect application are declining over time.
• Lubricant consumption per asset: helps identify waste, leaks, over-application or changes in equipment behavior.
• MTBF before and after implementation: measures whether mean time between failures increased after the plan was structured.
• MTTR before and after implementation: shows whether mean time to repair dropped with better planning, traceability and route control.

These indicators help the manager assess whether the plan is just being executed or actually improving asset reliability.

Checklist for structuring an industrial lubrication plan

• Assets and lubrication points have been mapped.
• Assets have been classified by criticality.
• Every point has a specified lubricant.
• Lubrication frequency has been defined.
• Lubricant quantity has been calculated or standardized.
• Routes have been organized by area, shift or frequency.
• SOPs exist to guide execution.
• Execution is logged and traceable.
• Lubricant consumption per asset is tracked.
• Indicators are being tracked.
• The plan is reviewed after failures, load changes or oil analysis.

If you’d like to go deeper into lubrication concepts, check out Dynamox Master’s free Industrial Lubrication course and learn hands-on how to structure and run an efficient lubrication management program.

Frequently asked questions about industrial lubrication plans