Geeetech A10T: 40mm Noctua Mainboard Fan
Description
I really like my Geeetech A10T as it fits perfectly in a LACK enclosure for temperature stable printing, but... yes, a 320 bucks 3-color printer does for sure have some flaws but a self-loosing Z axis and the tremendously loud 60mm mainboard fan are surely something that needs to be fixed. Let's start with the fan: Checking the height of the original jet turbine mounted (15mm), fitting a 60mm Noctua does not work unless you're starting a complete housing redesign, since the fan has to be mounted "somehow in between" to avoid blocking the leveling screws of the heated bed (controlled by a <b>dedicated </b>MOSFET which most likely killed the budget for a proper fan...) and keeping the possibility to safely screw the lid to the lower part. A search for a quiet fan in the parts box revealed the 40mm Noctua which was planned to be attached to the U30pro (was replaced by a 60mm one) but never did the job. <b>What you need:</b> 1. Use 4x M3x15 screws to fix the Noctua to the printed adapter - the holes should fit with some slight pressure (threads available). 2. Knowing the Noctua is running on 12V only, apply a buck converter (24V => 12V) in the small cut-out next to the fan and cut & solder the wires directly to the fan. 3. crimp 2 wires to a 2pin JST PH2 connector to connect to the motherboard (you'll find the right assignment for +/- printed on the board)
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