Relier Pairs AHU Maintenance MatchVersion en ligne AHU unit PM focused on blower and coolant par Fathe 1 Damaged belt should be replaced when damaged 2 Use vacuum cleaners for removing accumulated dirt from hard-to-reach areas. 3 Ensure that the blower motor operates smoothly without overheating. 4 Check for unusual noise and vibrations. 5 Remove dust and debris from the blower wheels and housing. 6 Prevents mechanical damage during maintenance. 7 Inspect blower fan blades for cleanliness and damage. 8 Power off the unit and disconnect from the power source. Reduces risk of dust buildup affecting performance. Critical for ensuring the system does not fail prematurely. Identify potential mechanical issues early. Removal of dirt and debris to ensure proper heat exchange. Keeps the unit running efficiently and prevents system stress. replacing belt should be based on the model number of the belt Essential first step for safe maintenance. Helps maintain optimal airflow and system efficiency.