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Electronic counter tracking hours since last filter change. Prompts operators when routine service is due to maintain suction efficiency.

Measures binder mass flow to maintain target litres/m² at varying speed.

Gauge displaying pressure difference across filter elements. Indicates when filters are blocked and need replacement.

Calibration test comparing measured flow to controller target. Required before major surface-dressing projects to verify accuracy of binder delivery.

Quick-release clamp holding cartridge-style filters. Enables safe removal without tools and reduces spill risk.

Automatic routine run through the controller to verify sensor accuracy. Produces a calibration certificate stored with vehicle records.

Visual indicator showing filter blockage level. Changes colour when differential pressure exceeds the service threshold.

Aggressive broom segments for stubborn gutter debris and leaf mulch.

Pre-departure check ensuring roof beacons and hazard flashers operate correctly. Required in daily inspection under council fleet policy.

Flat-bed vehicle carrying large line marking kit.