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Hot - Tightening
1: Hot tightening is the last mechanical step before the
Rapido Hotend 2 is ready. Hot tightening is essential to seal
the nozzle against the heatbreak, this will ensure that the
molten filaments does not leak out of the hotend during use.
2: Set the hotend temperature to 285°C. Wait one or two
minutes after the hotend reached the temperature so that
everything is evenly heated.
3: Gently tighten the nozzle while holding the heatblock in
place using a spanner (NEVER touch the hotend with your
hands while the hotend is hot). Finally tighten the nozzle with
the small 7.0mm spanner. This will ensure that the nozzle is
tightly locked against the heatbreak and as such avoid that
the hotend leaks.
4: The tightening torque of the hot nozzle is about 2.5Nm,
which is about the pressure applied by one finger on the
small spanner.
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