Picture a 1.75 m/s passenger lift that starts to hum somewhere between the fourth and sixth floors. The machine is quiet, the ropes are new, and nothing shows ...
READ MOREA worn elevator sheave rarely announces itself. It shows up first as a ride complaint at one landing, a rope that has crept out of level, or a car that slips s...
READ MOREA rail quotation usually fails for a simple reason: the drawing says T75-3/B, the guide shoe on the car is a 75 mm sliding type, but the replacement rail arriv...
READ MOREA technician is called out because the car doors "brushed" a passenger's arm on the way out. The first suspect is always the door sensor for elevator doors — t...
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