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Abrasion on fan volute caused by grit; monitored during service.

Specified microns or kg/m² for paints and thermoplastic.

Protective screen preventing leaf bags and large debris entering fan impeller.

Panel providing tool-free access to water or hydraulic filters. Speeds up daily maintenance and encourages compliance with service schedules.

Electronic governor controlling fan rpm relative to suction demand. Balances energy use and noise output for residential operations.

Mesh basket strainer protecting pumps and jets from blockages.

Controlled acceleration to protect belts and shafts.

High‑volume centrifugal fan generating vacuum through suction duct.

Rubber-mounted coupling between the fan and drive motor. Reduces transmission of vibration into the vehicle frame.

Sensor monitoring vibration to predict bearing wear.