Preventive & Predictive Maintenance Repair Lecture Notes

Flashcards covering the definitions, types, and examples of preventive and predictive maintenance, along with the nature of repairs and equipment failures.

What is the definition of preventive maintenance?

The act of carrying out routine maintenance tasks to help stop unforeseen failures in the future.

How can engineers reduce dependability risks to plant or business operations?

Through machine learning, operational data analytics, and predictive asset health monitoring.

What are three primary benefits of software created to support preventive maintenance?

It aids in the development of stable operations, ensures warranty compliance, and addresses issues affecting production before they arise.

Name the $4$ types of preventive maintenance mentioned in the transcript.

Usage-based preventive maintenance, calendar-based preventive maintenance, predictive maintenance, and prescriptive maintenance.

What initiates usage-based preventive maintenance?

Actual asset use.

At what time is calendar-based preventive maintenance carried out?

At a predetermined time, initiated when the due date approaches and required work orders are prepared.

What must a team first assess in predictive maintenance to estimate when maintenance should be carried out?

The equipment's condition.

What is the unique function of prescriptive maintenance compared to regular predictive maintenance?

It not only predicts when and where failure will occur, but also explains why it is occurring.

How does prescriptive maintenance help reduce danger to operations?

By assisting in the analysis and determination of various possibilities and probable results.

What effect does systematic scheduling of maintenance and inspections have on asset lifecycles?

It ensures assets are used to the full extent of their lifecycles and that warranties are maintained.

List the examples of electrical preventive maintenance.

Visual Inspection, Electrical Panel Maintenance, and Circuit Breaker and Fuses Maintenance.

Name the plumbing preventive maintenance tasks described in the notes.

Fix Leaky Showerheads and Faucets, Clearing Clogged Drains, Maintaining Outdated Shut-off Valves, and Ensure Enough Water Pressure.

What are the three regular actions for mechanical preventive maintenance?

Regular Cleaning, Regular Lubrication, and Regular Replacing of Parts.

What is the primary objective of Predictive Maintenance (PdM)?

To use data analysis to find operational irregularities and probable equipment flaws, allowing for quick fixes before breakdowns happen.

Which two types of data does predictive maintenance utilize to foresee issues?

Historical and real-time data from multiple areas of the operation.

What are the three items listed under the scope of predictive maintenance?

Real-time monitoring of asset condition and performance, analysis of work order data, and benchmarking and inventory usage.

How does predictive maintenance optimize spare parts management?

It improves overall inventory efficiency because machine parts are not run to failure and are not replaced too soon.

Name the examples of electrical predictive maintenance.

Partial Discharge Testing, INFRARED Thermographic Survey, and Insulating Fluid Sampling and Analysis.

What are the examples given for plumbing predictive maintenance?

Estimating Total Pipe Replacement, Scheduling Building Pipe Assessment, and Pipe Rehabilitation.

What mechanical predictive maintenance tools or analyses are used to monitor high-interest equipment?

Refrigeration Sensor, Vibration Analysis, and Motor Circuit Analysis.

What is a key difference in focus between predictive and preventive maintenance?

Predictive maintenance focuses on asset performance and predictive analytics, while preventive maintenance is planned maintenance that often utilizes scheduling software.

What kind of tools does predictive maintenance typically use?

Advanced tools like vibration analysis, infrared thermography, oil analysis, data analytics software, and sensor devices.

What does preventive maintenance typically rely on to guide maintenance activities?

Maintenance checklists, manuals, and standard operating procedures.

How is repair defined in contrast to routine maintenance?

Restorative work that must be done when an asset breaks, is damaged, or ceases to function.

What determines the extent of repair that is required for an asset?

The degree of failure producing an asset's dysfunction.

Name the $2$ basic types of equipment failure.

Partial failure and Complete failure.

What characterizes a partial failure?

The asset continues to operate at a reduced capacity, although there are possible security risks.

What defines a complete failure?

The resource is totally broken and cannot be utilized until it is fixed.

List the examples of electrical repair work.

Switch and Outlet Repair/Installation, Electrical Panel Upgrades, Wiring and Rewiring, and Electrical Grounding.

What are the examples of mechanical repair?

Choose the Right Materials, Motor Repair, and Adjust and Optimize Gears.