Sterlco BP800 Series Granulators - Manual (Page 26)

Chapter 5: Maintenance 26 of 41
7. Leave the screws that hold the bed knife just tight enough to allow the bed knife
to move.
8. Loosen the adjustment screws and lock nuts.
9. Insert a 0.006 in. to 0.008 in. (0.15 mm to 0.2 mm) thickness gauge between the
cutting edge of the bed knife and that of the high rotor knife.
10. Adjust the bed knife into the rotor knife using the adjustment screws. Make sure
to leave enough space for the thickness gauge to move.
NOTE: Check that the distance between the fixed and rotating knife is the same at
both ends of each knife. Move the bed knife using the push adjusting screws a
little at a time on each end.
11. When adjustment is complete, tighten the lock nuts on the adjustment screws.
12. Torque the bed knife and bed knife shield bolts to 95 lbs/ft. (13 kg/m, 128 Nm)
using a torque wrench.
13. Repeat the steps 4-11 to adjust the rear (or downstroke) bed knife. Turn the rotor
slowly for one complete revolution, checking the exact distance between all the
rotary knives and bed knives.
14. Close the hopper and replace the screen and screen cradle, securing them in place
using the swing bolt provided.
15. Close the front and rear doors and unlock the power or replace the fuses in the
control panel. Turn the disconnect switch to ON.
Rotor knife locking bolts
Bed knife locking bolts
Bed knife adjusting
screws
Figure: Inspection of Knives