W

Encoder providing speed feedback.

Vent directing warm air flow across the windscreen. Prevents fogging and maintains clear vision in damp conditions.

Visual indicators showing wheel-nut movement.

Small heater preventing washer fluid from freezing in winter. Keeps visibility clear during sub-zero operations.

Plastic retainers holding wheel nuts in position. Provide quick visual check of any wheel-nut movement between safety inspections.

Heated nozzle preventing washer jets from freezing. Maintains clear view for the driver in winter.

On-site wash preventing mud tracking from works vehicles.

Relay controlling intermittent and continuous wiper modes. Simplifies electrical diagnostics and replacement in the field.

Settlement trap installed in depot wash bays to collect silt. Stops debris from entering drains and breaching environmental regulations.

Valve used to prime the water pump before first start of the day. Prevents dry-running and early seal failure.