About To Have A Different Kind Of Blow-up Than Usual
I work as a service engineer for laser cutting machines. (I previously submitted this story.) We got a call from one of our clients who owned a very old machine, saying that one of the hydraulic motors of the machine had stopped working and they needed our help.
When I arrived, I learned that the full story was that the motor started leaking, and the team operating the machine tried disassembling it to find the cause, couldn’t, and then reassembled it incorrectly. It took me a while to figure out how to assemble it correctly (as no schematics were available for years) and to find the leaking gasket that needed replacement. This gasket was something they could manufacture and install on their own once they got a sheet of the proper rubber — which they didn’t have at that moment so it could not be done on the spot — since it didn’t actually require the full disassembly they unsuccessfully tried earlier.
I then went to the production manager to inform him of my findings. As I was on my way out of his office, I overheard him calling the manufacturing team about an incoming work order for the laser cutter. I turned back in.
Me: “I’m sorry, but are you planning to continue using the machine before that gasket is replaced?”
Manager: “Of course.”
Me: “You can’t.”
Manager: “What?! Why?! I thought you said you repaired the motor, other than the leak!”
Me: “I did, but it’s still leaking. You can’t work like that.”
Manager: “What do you mean? We worked with that leak for weeks before we tried to sort it out, just topping off the hydraulic fluid once in a while! And nothing happened; as you can see, the motor runs fine!”
Me: “You… worked like that for weeks?”
Manager: “Sure. Without issue.”
Me: “Without issue with the motor maybe, but have you noticed the puddle underneath the machine?”
Manager: “So what? The guys just mop it up now and then. It’s not like it could damage anything.”
Me: “The machine cuts by means of a laser beam that heats metal enough to vaporize it, with white-hot metal droplets ejected downward, right?”
Manager: “So?”
Me: “And for several weeks you figured it’s a good idea to let it do it next to a large puddle of flammable hydraulic fluid?”
It took him a moment to realize that only by sheer luck did they not set the whole machine on fire.
From that call onward, I made certain to always make it perfectly clear to the clients, in cases where their machines can PHYSICALLY work despite certain issues, that doing so may result in catastrophic damage — even when the risk should be very obvious to anyone with a basic understanding of the machinery.
Related:
A Forklift Load Of Attitude