Maintenance Technician Flashcards

A conveyor belt at a Walmart distribution center keeps slipping under load. What is the most likely first thing a maintenance technician should check?

Answer: Belt tension and alignment

Belt slippage under load is most commonly caused by improper tension or misalignment.

Before performing electrical repairs on a piece of store equipment, what safety procedure must be followed?

Answer: Lockout/Tagout (LOTO)

Lockout/Tagout isolates energy sources to prevent accidental startup during repairs.

A walk-in freezer is not maintaining temperature. Which component should a technician inspect first?

Answer: The condenser and evaporator coils

Dirty or iced-over coils are a common cause of poor refrigeration performance.

What is the primary purpose of preventive maintenance on store equipment?

Answer: Reduce unexpected breakdowns and extend equipment life

Preventive maintenance catches small issues before they cause costly failures.

A technician notices a hydraulic pallet jack leaking fluid. What is the appropriate action?

Answer: Tag it out of service and repair or replace the seal

A leaking pallet jack is a safety hazard and should be removed from service until repaired.

Which tool is best for measuring electrical voltage at an outlet or circuit?

Answer: Multimeter

A multimeter measures voltage, current, and resistance in electrical circuits.

An automatic sliding entrance door fails to open for customers. What should the technician check first?

Answer: The motion sensor and door track

Sliding door failures are usually due to faulty sensors or obstructed tracks.