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Equipment & Maintenance (TPM)

Early Equipment Management

Design reliability in before the machine arrives. Not after it breaks.

What is Early Equipment Management?

Early equipment management, or EEM, is the TPM pillar focused on designing reliability and maintainability into equipment before it is built, purchased, or installed. The pillar applies lessons from operations and maintenance to specification, procurement, design review, and commissioning, so that new equipment arrives ready to be operated, maintained, and inspected efficiently. The aim is to avoid retrofitting fixes after installation and to start new machines on the right reliability curve.

Early equipment management is the TPM pillar that pays back the longest. The other pillars work on existing machines and produce gains over months. Early equipment management works on machines that have not been purchased yet, and the gains compound over the entire lifetime of every machine the shop buys after the pillar is in place. A shop that gets early equipment management right starts every new machine on a better reliability curve and avoids the years of retrofit work that otherwise happens after installation.

"The cheapest time to fix an equipment problem is before the machine ever leaves the vendor."

How early equipment management works

Early equipment management touches the equipment lifecycle at five stages before production. Specification: operations and maintenance contribute to the requirements document, listing reliability targets, maintainability features, and inspection points the team needs. Vendor evaluation: the team reviews proposed equipment against the spec, including a maintainability walk through if the vendor has reference installations. Design review: critical design decisions get reviewed before the machine is built, especially access points for inspection and lubrication, parts standardization with the existing fleet, and ergonomics for changeover. Factory acceptance testing: the team witnesses the machine running at the vendor's facility, captures baseline performance data, and confirms maintainability features are in place. Commissioning: the team transitions the machine onto the floor with a documented initial autonomous and planned maintenance plan, baseline parameters for quality maintenance, and a vendor trained operator team.

The pillar relies heavily on data from the other pillars. The recurring failure modes that preventive maintenance and autonomous maintenance have surfaced become input to the next specification. The parameters that quality maintenance identified as critical become specified features on the next machine. The reliability targets become procurement requirements, not nice to haves. Early equipment management is the mechanism by which the shop stops repeating the same mistakes with each new generation of equipment.

A useful tool inside early equipment management is the production preparation process, known as 3P, which is a structured workshop format for designing new equipment and processes from a clean sheet. Another is FMEA, used to identify likely failure modes before they show up in production.

Where early equipment management fits on the shop floor

Picture a 30 person CNC shop about to invest in a new five axis machining center to take on more complex work. The shop has been running TPM for two years on its existing four mills and has detailed records of what has gone wrong. The maintenance lead's binder shows a recurring pattern: coolant cleanliness issues on three of the four mills, accessibility issues for spindle inspection on two, and a parts standardization mess across the fleet because nobody specified consistent suppliers.

An early equipment management approach to the new machine pulls the maintenance lead and the senior operator into the specification process. They request a specific coolant filtration arrangement, accessible spindle covers, and standardized fasteners and connectors that match the rest of the fleet. The vendor pushes back on two items; the shop holds firm. At factory acceptance testing, the lead and the operator travel to the vendor for two days, walk the machine, document baseline parameters, and capture the initial maintenance procedures. The new machine arrives on the floor with a maintenance plan already written, parts standardized with the rest of the fleet, and operator training that started before delivery. Two years later, it is the most reliable machine in the shop. The cost of the trip and the additional specification work was paid back in the first six months of operation.

Common mistakes with early equipment management

  • Leaving specification to engineering alone. The people who run and maintain equipment know what fails. Without their input, the new machine repeats the old machine's problems.
  • Treating EEM as paperwork. Checklists nobody enforces produce no better equipment than no checklists at all.
  • Starting EEM before the other pillars have data. EEM works because it imports lessons from autonomous and planned maintenance. Without that data, it is just generic procurement.
  • Skipping factory acceptance testing. The cheapest time to find a problem is at the vendor, not on the shop floor. Witnessing FAT is worth the travel.
  • Failing to document the baseline. New equipment should land with its baseline parameters captured. Without that baseline, the team has nothing to compare against when reliability starts to drift.

Early equipment management and related Lean tools

Early equipment management is one of the TPM pillars and the upstream complement to the rest of total productive maintenance. It uses FMEA to identify failure modes during design review and pairs with the production preparation process when new processes are being designed alongside new equipment.

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