If you’re like me, you love your Taz 4/5. If you’re like me, you hate how loud the fans are.
I upgraded the power supply fan to an ultra quiet Noctua Fan. The result? Quiet…
NOTE: the picture links below expired, try this one: https://photos.app.goo.gl/8bkpPYffVUwuirY63
Tools: Fan, screw driver, allen/hex wrenches that came with the Taz, tweezers, x-acto knife.
**Not responsible if you screw up. May void your warranty, blah blah, etc.
Incase photos are not showing up, here’s a link to them: http://postimg.org/gallery/zhii57ei/
Step 1: Disassemble the power supply (disconnect from power and ground yourself, obviously)
- Remove 12 hex screws: 4 left, 4 right, 4 bottom. Pull off the black top cover.
- Remove the 2 philips screws holding the fan as well as the small philips screw on the top right of the fan
- Lift up the power supply to expose the screws on the left and right (silver part only, leave the black base on the table)
- Remove ONLY the screws on the top rows: 3 on the right side, 2 on the left (looking at it from fan side).
- Lift away the top case of the power supply to expose the PCB (here comes the fun part, wait for it…)
Step 2: Remove the old fan and install the new one
- Use tweezers to remove the old fan from the connector. Please don’t yank it from the wire, it’s not the fan’s fault it’s loud.
- Now there might be silicon holding the wire down. I just used my x-acto knife to cut away at both sides of the wire while pulling on the heat shrink part of the wire. DO NOT scrape away at the PCB or you’ll cut a trace.
- If you bought the Noctua fan I linked above, connect the 3 to 2 pin adapter that was included (b/c Noctua is pure awesomeness)
- **IMPORTANT STEP: The red and back wires on the Noctua connector need to be switched. Cut off the heatshrink from the end of the noctua fan connector adapter to make it easy. Remove the two wires from the JST connector and insert them in reverse order (look at the old fan for reference). Refer to the tutorial video (3:45) below for JST connectors
JST tutorial: https://www.youtube.com/watch?v=kRvDgiX4Sk4
- Insert the new fan into the connector and nicely route the cable. Use 2 of the rubber pins that were included with the fan to mount it into the case (pull it through the holes, takes some force).
- TEST before putting it all back together (DO NOT touch the power supply when powered and exposed). It takes 5-10 minutes for the fan to kick during a print so be patient and don’t freak out like it did
- ??? Boom!
Tested dozens of prints and did not have any issues. The old fan did not actively cool any components but was used for ventilation. Consider adding vibration dampers to your x and y steppers to cut the motor noise in half!
Stepper Dampers: http://www.ultibots.com/nema-17-damper-astrosyn-my17rmdamp/
Let me know if you have any questions at all.
EDIT: Currently working on replacing the case fan which is a 24V fan which is also insanely loud.