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Relex Maintainability Prediction software aids in analyzing systems for maintenance, improving system availability, and developing efficient repair plans. This intuitive solution integrates with other Relex modules, simplifying the process with step-by-step analysis. Structured data levels ensure accurate calculations and timely reports.
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RelexReliability Software“the intuitive solution!”Relex Software Corporation 1
Supported Standards • General Maintenance Procedures • MIL-HDBK-472 Procedures 2, 5A or 5B
Maintainability Prediction What? Analysis of system for repair and maintenance Why? • Increase system availability • Identify areas for improvement
Relex Maintainability • Framework for maintainability analysis • Integrated with the other Relex modules • Storage for tasks and FD&I outputs
Purpose of Maintainability Prediction • To calculate maintainability parameters • To aid in developing maintenance plans • To determine time required for repairs
Relex Maintainability Input Format File Tasks File Relex Project Database FD & I Output File Maintainability Groups File Used Defined Values File Report Format File
Step-by-Step Process 1. Define simple one-step (basic) tasks 2. Include all fault detection and isolation that is accomplished 3. Enter maintainability data 4. Perform calculations, generate reports
Structuring the Data Levels of data in Relex Maintainability Prediction: • Basic Maintenance Tasks • Super Maintenance Tasks • FD&I Outputs • Maintainability Analysis
Basic Maintenance Tasks • Simple, one-step tasks • Stored in a Tasks File • Includes tasks with repair times • MIL-HDBK-472 Tasks file
Example Basic Tasks • Remove a Screw • Strip a Wire • Clean Surface • Replace Lamp/Light
Super Maintenance Tasks • Combinations of basic tasks • Also called a “Maintenance Action” • Stored in a Tasks File (includes subtasks and subtask quantities)
Example Super Tasks “Replace a Video Card” • Removal of Screw • Removal of Card • Replacement of Card • Replacement of Screw
FD&I Outputs • Fault Detection and Isolation Outputs • Defined as “those indications, symptoms, printouts, readouts, or the results of manual procedures which separately or in combination, identify to the maintenance technician the procedure to be followed”
FD&I Outputs Stored in an FD&I Outputs File • Includes list of tasks to be performed • Tasks are basic or super tasks
Example FD&I Output • Replace Circuit Card A1 • Replace power supply • Blank monitor
Maintainability Analysis • Stored in a Project file (Maintainability tab in Parts Table window) • Store maintenance/repair data for system • Repairable items with associated data • FD&I Outputs associated with repairable items
Review - Levels of Data • Enter basic tasks • Create super tasks from basic tasks • Create FD&I outputs from tasks • Enter maintainability data
Maintainability Prediction 1. Create customized Value-Added files 2. Create the Project file 3. Enter the System Tree structure and associated parts 4. Enter maintainability data 5. Calculate and generate reports
