Burr Adjustment; Coffee Grinding - Bunn G Series Installation & Operating Manual

BURR ADJUSTMENT

1. Place an empty bag in place on the screen, with the back of the bag behind the dispense chute. If you
have the optional trifecta kit, place the brew cup into holder.
2. Start the grinder to clear the grind chamber. Leave grinder "ON".
3. Turn the Grind Selector knob to the "0" (or "TURKISH" if using the icon based decal) position.
4. Using a small flat blade screwdriver, loosen the two set screws on the left side of the grind
selector knob.
5. Hold the knob in the "0" (or "TURKISH" if using the icon based decal) position with one hand.
6. Using a large flat blade screwdriver, slowly turn the adjusting screw in the center of the grind selector
knob to the right (clockwise) until a metallic whine can be heard due to the rubbing of the grinding burrs.
7. While holding the knob in the "0" (or "TURKISH" if using the icon based decal) position, back off the
screw to the left (counterclockwise) just until the metallic whine ceases.
8. Turn-off the grinder.
9. Push the knob against the dial plate and tighten both set screws on the left side of the grind
selector knob.
10. Turn the grinder on and listen again for the metallic whine with the grind selector knob in the "0" (or
"TURKISH" if using the icon based decal) position. If the metallic whine is heard, repeat steps 7 through
10 until the sound ceases.
11. If no metallic whine is heard, the grinding burrs are adjusted properly. On trifecta models, you should
hear a slight chirp of the burrs contacting if you rotate the knob fully clockwise past the "1" position.

COFFEE GRINDING

1. Load the desired weight or volume of beans into the bean hopper.
2. Turn the selector knob to align the arrow with the desired grind size.
3. Press down on the lever to open the bag clamp bracket.
4. Locate bag between the rear of the chute and the clamp bracket, then release the lever.
(The grinder will not operate unless the bag sensor is activated)
5. Press the start switch.
6. Flip the cleaning lever a few times as dispensing slows.
7. Remove the bag or brew cup when ground coffee is no longer dispensed from the chute. The grinder
will stop automatically as the bag or brew cup is removed.
NOTE
- The start switch will have to be pressed again to continue the cycle if the bag or brew cup is removed
while grinding.
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