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Diagnose cement-kiln thrust roller overheating using roller temperature, kiln axial position, contact pattern, lubrication, support-roller condition and recent alignment work. Verify the cause before making adjustments.

Diagnose cement bucket-elevator belt slip using take-up position, pulley lagging, boot loading, bearings and tracking evidence before increasing belt tension.

Diagnose low pulse-cleaning pressure when upstream compressed-air pressure appears normal. Check local header pressure and recovery, regulators, restrictions, drains, leaks, diaphragm valves and pulse timing.

Troubleshoot cement preheater gas-analyzer probe plugging using sample flow, purge, filters, temperature and deposits to distinguish sampling-system faults from process-gas changes.

Diagnose cement belt-conveyor pull-cord nuisance trips by checking switch alignment, cable tension, wiring, vibration and PLC inputs without compromising emergency-stop protection.

Diagnose cement weigh-feeder belt mistracking using loading symmetry, pulley and idler geometry, tension, weigh-bridge clearance and load-cell movement before recalibration.

Troubleshoot cement separator cage buildup causing high reject and unstable classification. Use reject trend, rotor condition, airflow, deposits and feed evidence to isolate buildup from process causes.

Troubleshoot cement preheater pressure-tapping restriction by checking impulse lines, purge condition, deposits, leaks and transmitter response so false readings are separated from real process changes.

Diagnose cement VRM grinding-pressure instability by separating hydraulic, accumulator, valve, sensor and process-load causes. Use pressure behavior and operating trends before changing setpoints.

Troubleshoot cement ball mill outlet diaphragm restriction using pressure, material flow, ventilation, screen condition and compartment evidence before maintenance.