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Enhancing Pump Reliability: A Case Study on Maintenance Strategies Implementation

In June 2012, 12 Lawrence Pumps were installed across 2 identical Greatham plants, facing typical 24-hour downtime. Led by a Reliability Engineer, the project involved operators, mechanic fitters, and addressed issues with packing, shaft finish, build quality, and operating practices. The study highlights overcoming biases, improving operator bugs, and collaborating using PERT methodology.

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Enhancing Pump Reliability: A Case Study on Maintenance Strategies Implementation

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  1. Greatham Lawrence Pumps PERT June 2012

  2. 12 installed across 2 identical plants Typical downtime 24 hr TiCl4 Preps for mt’ce Packed gland

  3. Led by Reliability Engineer • Involved wide cross section • Influential operators • Hands on mechanic fitters • Was able to put his ‘prejudice/paradigm’ aside • Was prepared and happy to deal with operator bugs to get more in return • Issues identified • Packing – length, tools • Shaft finish – machine company capability, hard surface • Build quality • Operating practice – N2 • OEM’s objectives

  4. Variability in build standard Ambiguity in spares Use of knowledgeable convert Embedded in SAP

  5. Bedding in Storage Vibration analysis

  6. ICON 2 Shutdown for production reasons yesterday Use of operator ‘network’ One of a suite of dashboards Configured with operator in mind Ritual review Ritual review 1-2-1 coaching

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