F 550 2WD Super Duty V10-6.8L (2009)
4. Charge the refrigerant system following the Automatic Refrigerant Charging Meter operating instructions.
5. NOTE: On 6.4L diesel vehicles, the engine ACL element must be installed and the engine ACL must be assembled before starting the engine.
If the refrigerant flow stops before the refrigerant charge is complete, start the engine, select A/C operation and allow the refrigerant charge to
complete.