As a maintenance mechanic/millwright or reliability engineer, you may need change your job title to Maintenance Detective.

Pictured below are two felt roll bearings from a paper machine. They were changed out due to high vibration readings found during the vibration route. Both had been in operation for a year, too short of a lifespan in this application. What do you see when studying the bearings closer? They are spherical roller bearings, typical in this application for high radial loads, axial loads and misalignment. They are grease lubricated based on the holes in the outer race. The bearings have significant amount of watermarks on rollers and the outer rings..

This is a good start for some detective work through an informal Root Cause Problem Elimination (RCPE). The watermarks are probably the cause of the bearing failure. The question is, "How-Can the moisture enter the bearings and cause corrosion?"

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 How To Achieve An Uptime Elements Black Belt

How To Achieve An Uptime Elements Black Belt

Do or do not – there is no try ~ Yoda

Are you one of those people who will not start a project until planning is close to perfect?

The Uptime Elements Black Belt program is designed


 Keep the Air Your Machine Breathes Clean and Dry

Keep the Air Your Machine Breathes Clean and Dry

It is important to stop airborne contaminants from entering tanks, drums, or machine reservoirs. The good news is that this is one of the easiest problems to address through high quality

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 Optimizing Costs Through RCM-Based O&M

Optimizing Costs Through RCM-Based O&M

Today’s water and wastewater facilities must balance the demands of safety, environment and cost. With shrinking budgets, water and wastewater treatment facilities are asked to do more with

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How Complex Should Maintenance Procedures Be?

The level of complexity depends on several factors:

  • The complexity of the task. Tasks which have multiple steps that must be performed in specific sequence, or contain unusual operations, must be spelled out precisely.
  • What specific data is needed