SuperDrive Upgrade Page 6 of 6
Step 9. Reattach the Large Pulley: While sliding the large pulley back onto the shaft, make sure the set
screw is aligned with flat area on the shaft (see image below) before tightening the set screw. The set screw
must make contact with the flat area of the shaft.
Step 10. Reattach and Retension Belt: First, reattach the belt to the two pulleys, then tension the belt by
using a hex key (or other small tool as shown below) to add tension to the belt by moving two of the two motor
screws away from the larger pulley. While applying tension to the belt, re-tighten the motor bolts.
You are done and ready to try the new extruder drive! R eattach the filament guide tube, load your filament
and calibrate ESTEPS.
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