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BP1620, BP1628 & BP1640 Granulators Page 38 BP1600
7. After the clearance setting of both the primary and
secondary bed knives is complete and checked, turn the
rotor by hand to ensure that none of the rotor knives hit
the bed knives.
8. Double check inside the machine to make sure no tools
or other articles are left in the cutting chamber or have
fallen into the screen area.
9. Close the cutting chamber and tighten the fasteners
(refer to Section 4-2).
9-9 Preventative Maintenance Service
Follow a systematic preventative maintenance program to
help avoid costly down time. Call the Sterling Service
Department to arrange a schedule of inspections. This
service can be tailored to fit your maintenance
requirements.
9-10 Recommended Torque For Knife Bolts
NOTE: For Rotor knife applications, use Grade 10.9 ad cap screws.
For Bed knife applications, use Grade 10.9 hex head
screws.
Table 6
Recommended Bolt Torques (Metric)
METRIC SCREW SIZE
FT/LBS TORQUE
(DRY)
M8 28
M10 54
M12 100
M14 155
M16 232
M18 340
M20 472
M24 610
**The above listed torque values are standard specifications.
***Metric Knife Bolt/Screw Tightening Torque for Grade 10.9 Fine Thread