Reliability Performance Should be the Goal of Every Repair Facility
Cutting Corners = Unreliability
The Importance of Alignment
Alignment Tolerances [2]
Alternative Alignment Guidelines
Alignment Calculation Example
Rotor Balance
Static Unbalance
Dynamic Unbalance
Balancing
Common Causes of Rotor Unbalance [3]
Balancing Grades
The Importance of Fit, Clearance & Tolerance
Fits, Clearances and Tolerances [5]
Tolerance
Clearance
Coupling Hub Fits
Keyed Interference Fits [6]
Keyless Interference Fits
Closing Thoughts
References
11 Procedures + Precision = Reliability
12 The Top 10 Behaviors of Precision-Maintenance Technicians
13 Optimizing Machinery Life Cycle Costs through Precision and Proactive Maintenance
Precision Maintenance 101
Life-Extension Equations
Worked Example
Life Cycle Costs
Justifying Precision Maintenance
14 Optimum Reference States for Precision Maintenance
Conclusion
15 Writing Effective Machinery Work Order Requests
10 Part IV: ANALYZING FAILURES 16 Improving Machinery Reliability by Using Root Cause Failure Analysis Methods Introduction What Is a Root Cause Failure Analysis? Root Cause Failure Analysis Example #1: Ill-Advised Bearing Replacement Root Cause Failure Analysis Example #2: Reciprocating Compressor Rod Failure [1] RCFA Steps Closing Thoughts Appendix A No Magic Allowed Appendix B Analyzing Component Failure Mechanisms Common Mechanical Failure Modes Rolling Element Bearing Failure Characteristics [6] Tips for Analyzing Mechanical Seal Failures [7] Appendix C Common Machinery Failure Modes [8] References 17 Investigation and Resolution of Repetitive Fractionator Bottom Pump Failures Introduction List of Additional Failure Inherent Causes to Be Rectified Key Shop and Field Pump Measurements Conclusion [1] Actual Findings Effect of Improvements on Pump Radial Shaft Vibration Reference 18 Reliability Improvements Made to 6000 KW Water Injection Pumps Experiencing Wear Ring Failures Summary Sequence of Events New Design Proposal of Eliminating Grub Screws or Flash Butt Welding Upgrade Options Detailed Analysis of Problem & Solution Related to All Pump Wear Rings Discussion on Reliability Improvements Added to Achieve High Reliability Manufacturing Errors: None Found User Maintenance Errors: None Found
13 Index
List of Illustrations
1 Chapter 1Figure 1.1 Managing the risk associated with a site’s process machinery is
