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Tips

The Pencil Method of Balancing

Many craftsmen and engineers have tried to balance a machine using a pencil to mark the shaft. Given a slow speed, large deflections, a steady hand and some nerve, this could have been...

Focus on Failure Prevention, Not Failure Prediction

A common mistake among companies is to fix problems as they occur rather than preventing those problems from happening. One opportunity for prevention is through the health of your lubricants. It has...

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...

Managing by Process Bias

High reliability organizations are very biased towards highly-reliable work processes. One for an airline pilot is illustrated in Figure 7-11. The pilot has an error rate of maybe one in 1,000,...

Breakdowns Caused by Poor PMs

This indicator examines the root causes of breakdowns and then investigates whether the root cause should have been detected as part of the preventive maintenance program. This provides an...

The 10% Rule of Preventive Maintenance

Many organizations use the PM compliance metric as a measurement of their maintenance department’s performance. This metric is often viewed by professionals as a joke because if your PM...