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