carl_m1968 wrote:The heatbreak has two flat sides where there is nothing attached. You use an adjustable wrench or channel lock pliers to engage those two flats.
Um, no.
I think you mean to reference the heating block, right?
Crescent wrench and a 7mm socket wrench will do the job. Pliers have teeth which will dig into the block, and easily so once heated to 285-295c then tightened. While this may not damage your block beyong use, it doesn't help the cosmetics.
This is where re-reading the steps may help to clarify things. you thread the heatbreak into the heating block until the top of the threads (unthreaded area begins) are flush with the heating block. The tightening makes a seal between the nozzle and heatbreak inside of the heating block. You can "cold tighten" the heatbreak into the heatsink (the upper portion that looks like the hilt of a lightsaber) and just hand tighten it since no molten plastic will ever (dare I say should ever) travel that far up the path.
Hope this clarifies things a bit.
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