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Mike Monday and Prioritizing Maintenance

February 2, 2018

We took stock of all the machines on the shop floor as well as some of vehicles used outdoors. I then sat down with Seth and Carrie to figure out what the top priorities are when maintaining these machines. We came up with six factors that play a role in determining how important it is to maintain a machine. It also gives an idea on the difficulty of maintaining certain machines which helps in planning.

  • Safety- How much danger does this machine present?
  • Repair Cost- How much do the parts cost?
  • Downtime/ Repair Time- How long will the machine be down and take to fix?
  • Machine’s Life Cycle- How old is the machine and how long will it last?
  • Frequency of Use- How often is the machine used?
  • Part Availability/ Lead Time- How long does it take for parts to arrive and when should we expect them?

After coming up with these criteria we assigned each a weight on a scale of 1-5. Every piece of equipment is scored on a scale of 1-5 as well.

Machines Air Compressors Forklifts Press Brakes Ironworkers Conveyors Drill presses Cranes Loaders Turbine Trucks Lathes Grinding Machines
Criteria Wt.
Safety 5.0 1 4 4 4 1 2 5 4 3 4 2 2
Repair Cost 3.0 3 5 4 3 1 1 5 3 5 3 2 2
Downtime/Repair 5.0 5 3 3 4 3 2 3 3 3 3 2 2
Machine's Life Cycle 1.0 3 3 2 2 3 4 3 4 5 4 2 1
Frequency of Use 4.0 5 3 3 2 4 5 1 3 5 3 2 4
Parts Lead Time 3.0 4 3 2 2 3 3 4 2 4 3 2 1
Scores 74.0 74.0 67.0 65.0 51.0 56.0 74.0 66.0 82.0 69.0 42.0 46.0

At first, I hoped to use data gathered before my time, but the files were a mess. A light coating of dust covered the tops of the folders, and they hadn’t been updated for years. Seth handled one and sneezed on contact. Sheets with scheduled maintenance times were in the cabinets too, and the last date written on them was 2010.

When I started this list I never considered air compressors would end up so important. They don’t make any of the parts for our products, but they involved with many of the machines that do. As for the turbine, without it everything else wouldn’t be running.

The whole point of doing this is to determine how to keep machines useful for the long run, but there is another use. In a plant where most of these machines are close to breaking, we can figure out which ones we need for smooth production. It is the map we can use to navigate though the rough waters ahead. This might be small, but this is the first step to being able to maintian these machines properly.