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I used to think a little slack in the governor rope was fine | Elevator Mechanics - Vivisector

I used to think a little slack in the governor rope was fine

For years I'd adjust them to maybe a quarter inch of play, thinking it was safe enough. Then last month I was working on a 15 story office building in Tacoma and saw a rope jump the sheave during a test run. The building manager showed me the maintenance log and the previous guy had it set exactly like I always did. That was the moment I realized 'close enough' isn't good enough with safety devices. Now I follow the manual to the letter and aim for zero slack. Has anyone else had a close call that made them change a routine practice?

4 comments

4 Comments

oliver8556mo ago

Guess that quarter inch of play was just the rope's way of asking for a little vacation time. So much for thinking it was just being relaxed and easygoing. My wake up call was watching a gearbox eat itself because I thought 'hand tight' was a real measurement. Turns out the manual really does mean 'until it strips' sometimes.

leom746mo ago

Until it strips" seems like a stretch for most manuals. They usually give a torque spec for a reason. I've never seen one that actually tells you to break the hardware.

nina_taylor5mo ago

Honestly it's the same with so many things now, like furniture assembly or car repairs. The instructions give you a number, but the real world test is just going until something feels wrong. I mean, maybe it's just me but that gap between the book and reality is where all the stress lives.

williamw756mo ago

Hold up, you saw it JUMP the sheave? On a 15 story drop? That's not a close call, that's a full-on horror movie scene. A quarter inch of slack on a governor rope is basically an invitation for disaster. I get chills just picturing that cable popping off and whipping around. That logbook note from the last guy is the scariest part, like a ghost from bad habits past. Makes you triple check everything now, doesn't it?