Which inspection should be performed if unusual noises are heard during movement?

• A. Chairlift Operation Inspection
• B. Safety Governor
• C. Rack and Pinion
• D. Horsepower Requirement

Answer: (B)

Unusual noises during movement point to potential problems in the speed-control or drive system, so the inspection should focus on the device that monitors and controls the escalator’s speed. The safety governor continuously checks speed and has the authority to stop the escalator if it detects overspeed or a stall, making it the most relevant inspection when you hear odd sounds. Other options don’t address this immediate safety mechanism: chairlift operation inspection applies to a different piece of equipment, rack and pinion relates to drive geometry rather than speed monitoring, and horsepower rating is just a motor specification, not a diagnostic inspection for noises.