Part loose in new power supply + replacing the LED PSU with a ATX PSU
Just got my Kit yesterday, but i noticed a part is loose in the PSU.
The part seems to be a BW-ABS Thermal Protector, but does this thing need to hang in the air?
The part could fit into the heatsink bracket above, albeit loosely.
We also have the same Prusa i3 MK2 at work and the PSU rattles pretty badly on some bed movements.
This thing acts as a giant resonance chamber, not good. (Every screw is tightened, and nothing is loose.)
I was thinking of replacing it with a ATX PSU that i have laying around (a good one, costed 150 euro once, 650+ watt on the quad 12V rails alone), since i need some additional voltages and connectors.
The only problem is, without the cheap Prusa PSU the frame becomes unstable. (more wobbly)
I would leave the cheap PSU there unconnected for stability and use the external ATX PSU but im trying to remove the vibrating sound.
Any suggestions what to screw back on there for more stability?
Re: Part loose in new power supply + replacing the LED PSU with a ATX PSU
If you are really going to ditch the bad PSU, you could just take out the circuit board in the bad PSU. Then you could print parts to place the ATX PSU inside the hollowed out frame of the bad PSU.
With the hollowed out frame of the original PSU, you could could make that a locker for 3D printing tools and/or a PI running octoprint.
Also, watch this video on PSUs used in most 3D printers for possible hints to get the PSU working:
That part that was loose should go under the torid / transformer thingy, it will get way to hot if under the diode rectifier where you have placed it.
Please post a photo of the insides of the power supply, both top and bottom. If you get the steel ball as mentioned in the video, you really got lucky.
Re: Part loose in new power supply + replacing the LED PSU with a ATX PSU
Just a quick update now that my MK2 has arrived, you had the fuse in the right place.