Which tool is essential for inspecting escalator components?

The torque wrench is essential for inspecting escalator components because it accurately measures the torque applied to fasteners, ensuring that they are tightened to the manufacturer’s specifications. Proper torque is critical for the safe operation of escalators, as loose or incorrectly tightened components can lead to mechanical failure or safety hazards. Inspections often require checking that various parts, such as bolts and connections, meet the required torque settings to ensure the integrity and reliability of the escalator system.

While other tools, like a screwdriver, may be used in the assembly or disassembly of components, they do not serve the same critical function of measuring torque. A multimeter is useful for electrical diagnostics, but does not pertain directly to the physical/mechanical integrity of the escalator's structural components. A hammer may be used in some maintenance tasks, but it does not play a role in the precise measurement needed for safe escalator inspections.