So I replaced the over pressure valve and now when the machine comes up to temp the seal where I screwed the new valve sputters and hisses. Is there a thread lock type of stuff I should have used on the threading? And if so can I buy it on Amazon?

Congratulations!

As soon as I can I'll go get some coffees that have the production date printed on the package. I am going to update this debate. Thank you all!

Congrats on the machine!! How was assembling it? Any advice you would give to have a smooth installation?

They are all silicone. SuperLube is a great alternative to 111

The switch has three positions; off, electronics on, and heating elements on. Did the pop and smoke happen in position 1 or 2? You wouldn't hear a pop from a burnt out heating element

I would advise roasting further and backing off in subsequent roasts, rather than going for a roast this light on a new coffee first thing. This is especially ture if you are not used to the smells of a roast ready to drop -- sniff the beans in the tryer before dropping -- they should smell sweet, not vinegary or

Welcome to HB John! what was your charge weight for this roast? Are we talking about a solid drum or perforated drum? if you like light roasts and you're spending 1+ minute post first crack, then id hesitate to say that you might want to adjust your settings to spend more time in the middle phase of the roast

I have dial indicators, how did you set it up? I also am thinking about throwing it on a CMM machine at work so I can also check coaxiality of lower burr in relation to carrier threads but seems a little too complex for me I also wonder it it really matters because of the design of

Hey guys I'm new to roasting and have a question about my coffee roasting technique. I have only roasted a handful of times but each roast I do tastes underdeveloped and grassy. I prefer light roasted coffee. Here is a picture of my last roast. The beans are from Brazil. I have a 1.5 kg drum roaster. Do you think