IMPORTANT SAFETY MESSAGES CAUTION The blow down line valve must remain OPEN except when loading of unloading the trailer. Leaving the valve open prevents the vessel from being unknowingly pressurized with changes in ambient temperatures, fricƟon, product expansion, etc. DANGER The tank trailer shall not be operated if any of the following dondiƟons exist: 1. Damage to the lighƟng fixtures, wiring or electrical conduits, or inoperaƟve lights 2. Leaking of malfuncƟoning equipment components 3. Damage to the tractor of tank trailer, including , but not limited to, internal damage. 4. InoperaƟve braking systems, primary or parking. 5. Vents or valves plugged, inoperaƟve or removed. Plugged or inop- eraƟve vent valve can cause extensive vessel damage if the de- signed pressure is exceeded or a vacuum situaƟon is created. Failure to follow any one of these instrucƟons may result in serious personal injury, including death. WARNING Proper operaƟon of the tank trailer’s primary braking system is essenƟal for the safe operaƟon of the vehicle. A funcƟonal system check is neces- sary each and every Ɵme the trailer is put into service.
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