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BP1620, BP1628 & BP1640 Granulators Page 37 BP1600
2. Align a rotor knife with the primary bed knife, in the
front of the granulator. With a .006” feeler gauge
between the rotor and bed knife, start to adjust the bed
knife into the rotor knife using the adjusting screw.
During the movement of the bed knife, slowly rotate the
rotor back and forth checking the clearance. The proper
clearance will be established across the length of the
knife when a slight “drag” is felt on the feeler gauge.
Partially tighten the bed knife hex head screws. Follow
this procedure for all remaining bed knives.
3. If you find a “high” rotor knife, mark it and adjust to
this knife.
4. Once knife adjustments are completed, equally and
fully torque the bed knife cap screws, working from the
center out towards the ends of the knife. Refer to
Section 9-11 for the correct torque values based upon
bolt size and thread pitch.
5. Re-check the clearance once the bolts have been fully
torqued and reset if necessary.
6. Turn the rotor so that the knives are aligned with a
secondary bed knife on the rear of the granulator and
continue with the same procedure used to setup the
primary bed knife.
Bed knife screws (in
metric)
Rotor knives
Primary Bed Knife
Bed knife adjusting
screws (in metric)