gafu
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- Comment on Help please: heating block gooed up with PLA 1 day ago:
Its not about torque only.
If build up correct, the nozzle flange does not touch the aluminium heater block. There must be a gap, can be a tiny gap.
You dont want to screw the nozzle against the block, but you want to screw the nozzle backside face (around the filament bore) against the heatbreak end face. This is the place where you close the oozing hole, the threads are not tight against liquid plastic.