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15. Inserting, removing and changing the filament
a) Inserting the filament - Mechanical part
Push the filament rolls on the shaft of the filament holder. The filament
rolls must move freely.
Push the ball bearing holder on the outside and insert the filament
through the ball bearing holder.
Insert the filament past the feed motor into the extruder to the stop.
The filament must be guided in a straight line from the top between
the feed motor and the ball bearing into the bore at the extruder.
It must be possible for the feed motor to turn without slippage or
catching when pulling or pushing at the filament.
To set the application pressure of the ball bearings, guide a hex key
with 3 mm through the outer-most hole of the hall bearing holder and
through the spring into the spring holder.
Turning the screw in the spring holder to the left turns the screw in
farther and the spring relaxes. Turning it to the right will turn out the
screw farther and the spring is tensed more strongly.
Then turn on the printer and move the printing plate with the arrow button "
down
" (3), manually until the filament can escape well.
