Replacing the filament

K8200 3D Printer K8200 - Issues while printing
1

I would like advice on the correct procedure to be followed when introducing a replacement filament into the extruder.Many thanks.
John

2

For PLA.
I heat the extruder to 190C
I turn the large gear by hand 5 or 6 times.
I loosen the spring pull back on the knob and in smooth pull remove the filament.