TPM Reloaded
By Joel Levitt
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About this ebook
Joel Levitt
Joel Levitt is known worldwide as a leading educator in maintenance management. He has trained more than 17,000 maintenance professionals from thousands of organizations in 25 countries. He has more than 30 years of experience in many facets of maintenance. Since 1980, he has been president of Springfield Resources, a management/consulting firm servicing clients on a wide range of maintenance issues. Levitt is a frequent speaker at maintenance and engineering conferences, has published dozens of articles on the subject, as well as a number of successful books, including The Complete Guide to Preventive and Predictive Maintenance;The Handbook of Maintenance Management;Lean Maintenance; Managing Factory Maintenance: and Managing Maintenance Shutdowns and Outages.
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TPM Reloaded - Joel Levitt
Chapter 1
Introduction to TPM
Who Is TPM For?
TPM is a program for production (or operations in a power plant, for example). It is a manufacturing (or operational) strategy. In a TPM shop, operators are king of the hill. Without operation’s full, complete, and unwavering support, evidence of the TPM program will be hard to find a year after installation, or even less. The word Maintenance in TPM seems to scare operations people away. If TPM is implemented by or even initiated by the Maintenance department, it will fail.
When we say operations, we mean operators, supervisors, production control personnel, managers, and everyone else all the way up to plant managers. The TPM point of view must be the lifeblood of the productive effort and understood by everyone, especially the middle managers. To a large degree, the active support and at least cooperation of the middle management is the most essential element of a successful TPM installation.
The support of production control (production scheduling) is essential because they have to add TPM time into their schedules. Supervisors are essential because initially the TPM tasks have to be assigned, and managed so they are actually done.
Why Is This?
I was training the operators in a large precision stamping factory about TPM. They were excited because they got to finally address issues that had been bothering them, in some cases for years. We made great strides in cleaning the machines and realizing production gains.
The first phase of the training was complete. The team was supposed to continue the TPM activity in the pilot area and gain enough expertise to roll the program out to other areas. But as soon as I left, the production supervisor told the operators, Well, that was fun, but now it’s time to get back to work.
In some cases, the supervisors were harder to sell (and more important to sell) than either top management or the operators. When I returned, we had to start over almost from scratch — with the added morale problems — with the formerly excited operations group.
Production Incentives
The last issues concern production incentives. TPM will increase production after the losses are identified and either eliminated or mitigated. During that transition, production might fall for a time. Production incentives have to be adjusted so that performance of the TPM tasks is covered by the incentive program. Otherwise, TPM activity takes bonuses out of people’s pockets (in the short term) and will be sabotaged.
So, if you are maintenance professional, this book can help you understand your important role in TPM. But, this book is for your production counterpart.
What Does TPM Do?
TPM (Total Productive MaintenanceJ) focuses on the barriers to higher production (Exhibit 1-1).
It’s simple to describe, but not necessarily simple to do!
We want to get more production at a lower cost out of our existing asset mix by eliminating waste (Lean Maintenance), managing production losses (TPM), and reducing variation in the production process (Total Quality Management). We also want the plant to be safe, nimble, flexible, and a good place to work.
Exhibit 1-1 TPM is Very Simple
Why the Results from TPM Are Urgent Today
A new situation has developed in the way we look at organizations. Throughout the last 25 years, organizations have slashed their ranks, reduced overheads, and optimized processes. This process accelerated at the end of the 2000s with the economic crisis. At the same time, we increased the complexity and speed of the equipment and our reliance on computers, programmable logic controllers (PLCs), and sophisticated controllers. We are faced today with smaller crew sizes — and basic maintenance demands are going unmet. Yet basic maintenance continues to be essential for reliable performance.
Superficially, TPM recruits operators into the maintenance function to handle basic maintenance tasks and become both the champions of their machine’s health and the tinkerers to reduce production losses from all sources. Operators become involved in maintenance activity (as well as other areas to detect and mitigate the losses) and decisions. TPM uses the operators in autonomous groups to perform all the routine maintenance, including cleaning, bolting, routine adjustments, lubrication, taking readings, start-up/shut down, and other periodic activities.
This might sound ungrateful (based on the fact that operations personnel work very hard and are proud of what they have accomplished), but at a deeper level TPM is designed to wake up operators and their supervisors as well as everyone up the chain of command. Many people sleep walk through their day and stop seeing the waste right in from of them. That is just not good enough anymore. TPM along with Lean Maintenance, TQM, and RCA (Root Cause Analysis) are complimentary programs that try to get full engagement from the operators and supervisors. With full engagement, success is possible.
The reason for this sleep walking is psychological. The single biggest barrier to identifying waste is called the normalization of deviance.
This is a fancy way of saying that if you look at a pile of junk long enough, you’ll stop noticing it. The pile begins to seem normal. This tendency is the bane of operators (who stop seeing minor jam-ups and other missed opportunities), PM inspection (when people stop seeing deterioration), and lean maintenance efforts (when people stop recognizing waste).
Sometimes we have to shake up our normal methods of seeing. TPM is first an extended class in seeing and investigating our productive effort, and second a continuing alarm clock to awaken the producers. But make quick productive use of your altered sight — in a day or two, most you slip back to being blind to the waste.
The maintenance department becomes an advisory group to help with training, setting standards, doing major repairs, troubleshooting, and consulting on maintenance improvement ideas. Maintenance departments are the specialists in major maintenance, major problems, problems that span several work areas, and trainers. Under TPM, maintenance becomes very closely aligned with production. For TPM to work, maintenance knowledge must be disseminated throughout the production hierarchy.
The old philosophy of Produce at all costs, damn the torpedoes — full speed ahead!
will fall flat on its face with TPM. TPM needs some downtime in order to be successful. The operators must have complete, top level support throughout all phases of the transition and thereafter.
Good maintenance practices, as highlighted by the article in Exhibit 1-2 on the following page, can contribute to the productive output and profit of the whole organization. It contributes to safety too.
Revolution
TPM is revolutionary. It is a game changer on factory floors of organizations that can go all the way to autonomous maintenance. The ideas of TPM are to make the operator a senior partner in the production effort. These ideas, imported from Japan, have taken root in factories, refineries, mills, and power plants throughout North America. They succeed because they force us to realize we have to use more and more of the capabilities of every employee (and vendors too!) to remain competitive. Operators are traditionally viewed as underutilized in most factories.
Exhibit 1-2
The machine operator is the key player in a TPM environment. Many of the losses are under the control of the operator, involve the operator, or happen while the operator is near the machine. There is less reliance on the maintenance department for basic maintenance (but more for maintenance prevention projects, productivity improvement projects, coaching, training, problem solving, and mentoring). Control and responsibility are passed to the operators.
Although the operator is the key player, it’s the management that ultimately has to make the right choices. Keith Rimmer, a consultant from the global consultancy Woodhouse Partnership, says convincingly that for a company to be successful in Asset Management, "It requires processes that are driven effectively by top management and supported by empowered and competent employees. A key characteristic of successful asset management is consistently making sound decisions and good compromises, and carrying out the appropriate tasks at the right time and at the optimum level of expenditure. Above all it requires the commitment of top management, and it is unlikely that an organization will successfully integrate and optimize their asset management without such