Rostock Max Assembly Guide
63
21.3 – Next you’ll install the Bowden Fitting on the Bowden Hot End PTC Adapter by threading it
into the hole in the top. Tighten this down so it compresses the O-Ring seal, but not so much that it
starts to squish it out from under the brass fitting.
Figure 101 - Bowden Fitting installed on the Bowden Hot End PTC Adapter.
21.4 – Now remove the Nozzle from the Hot End and install the Teflon Liner. When replacing the
brass nozzle, you want to finger tighten it and then tighten it just a tiny bit more. You don’t want to
deform the liner inside the Hot End.
Figure 102 – The Teflon Liner ready for installation.
21.5 – In order for the RAMBo controller to determine what temperature the Hot End is at, it
uses a thermistor. The thermistor is shipped with bare leads, so the first thing we need to do is take
steps to prevent the leads from shorting out against one another.
21.6 – If you’ve got Kapton tape, you can create a “thermistor sandwich” that consists of a layer
of tape, the thermistor and another layer of tape. However, I didn’t have any Kapton so I’ll be
illustrating how I worked around the lack.
