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Showerthought: a 737 has about 400,000 parts and I still can't find the one I dropped
I was reading the Boeing maintenance manual last Tuesday and it said a 737 has around 400,000 parts, which blew my mind because I spend half my day hunting for one bolt. Then it hit me that every single one of those parts has a torque spec somewhere and I've probably guessed on at least a dozen. How do you guys keep track of torque specs when you're working a job with a hundred fasteners?
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the_terry19d ago
Some of those torque specs actually change based on whether the bolt is wet or dry, which is the part that gets me. Like a lubed thread can take way less torque to hit the same clamp load, so if you guess and you're off by even a little, you're either stretching the bolt or it backs out later. I've seen guys use the German spec, good n tight, on stuff that had a real number in the book and it worked out fine, but on critical joints that's how you end up with a smoking hole in the ground. My trick is I write the spec on a piece of tape and stick it right on the panel I'm working, then peel it off when I'm done. Sounds dumb but it beats flipping through the manual fifty times a day.
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