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Relay controlling indicator flash rate and lamp load detection. Essential for correct operation when switching to LED units.

Adjustable vanes regulating air volume to the fan.

Direct-reading thermometer inserted into binder tank for cross-check.

Side-mounted amber lamps replicating the main indicator flash. Improve visibility for passing traffic during sweeping on dual carriageways.

Heated air drying beads before application.

TM truck protecting convoy from impacts.

Tower lights indicating machine states.

Borescope to inspect ducts and spray bars internally.

Electronic module automatically adjusting auxiliary-engine idle speed. Maintains optimal hydraulic pressure when sweep load changes.

Relay delaying accessory power until engine start is complete. Prevents voltage drop to controllers during cranking.