F
Flow-Sensor Calibration Routine
Automatic routine run through the controller to verify sensor accuracy. Produces a calibration certificate stored with vehicle records.
Filter-Restriction Indicator
Visual indicator showing filter blockage level. Changes colour when differential pressure exceeds the service threshold.
Flail Brush Segments
Aggressive broom segments for stubborn gutter debris and leaf mulch.
Flashing Amber Light Test
Pre-departure check ensuring roof beacons and hazard flashers operate correctly. Required in daily inspection under council fleet policy.
Flat-Bed Liner
Flat-bed vehicle carrying large line marking kit.
Flatline Applicator
Wide shoe for laying flat thermoplastic markings such as bays or symbols.
Flexible Electrical Conduit
Protective conduit shielding wiring looms from abrasion and water. Common along under-chassis runs on UK municipal vehicles.
Flexible Jet Lance
Hand-held flexible water lance for flushing gully gratings. Allows operators to reach awkward angles without removing covers.
Fan Bearing Grease Line
Remote grease line allowing safe lubrication of the main fan bearing. Simplifies daily maintenance and prolongs service intervals.
Film Build Gauge
Gauge to measure wet film during paint application.
