Conveyor System Troubleshooting — real-world interview & field troubleshooting questions with clear, practical answers. Tap any question to open its answer. Showing the first 70 questions free. The complete question bank is available as a PDF below. BELT TRACKING, MISTRACKING & EDGE DAMAGE Q1 A heavy fabric belt conveyor drifts continuously to the left side strictly at the tail pulley, but centers properly at the head pulley. What alignment defect is proven? Answer Tail pulley axial misalignment or dirty build-up on the tail pulley shell. A conveyor belt always tracks toward the side of the pulley with the least tension or smaller diameter (caused by conical material buildup). Square the tail pulley perpendicular to the conveyor centerline. Q2 A conveyor belt tracks perfectly when running empty, but immediately swerves to the right side the moment material loading begins. Root cause? Answer Off-center material loading from the transfer chute. Bulk material striking t...