User Guide

BP1620, BP1628 & BP1640 Granulators Page 33 BP1600
DANGER!
Before undertaking any machine repairs or maintenance, always make certain that
the machine disconnect switch is turned to the OFF position or that the control
enclosure is disconnected from the main power source. Either place a sign indicating
that the main disconnect switch is to remain off or on the switch and/or lock the switch
to prevent accidental activation by someone unaware of work in progress.
2. Follow instructions in Section 4 on opening the cutting
chamber.
3. See drawings in the appendix for the general cutting
chamber drawings.
4. Loosen the fasteners holding the bed knives, shields,
and clamps, working from the knife edges inward to the
center. NOTE the relative position of each part before
they are removed.
5. As the last screw is backed out, the up-stoke knife
clamp and knife will require some support to prevent
them from moving.
6. Clean the bed knife seats thoroughly with a scraper
and/or emery paper to remove any foreign material and
rust.
7. Inspect the components and replace or resharpen as
required.
9-4 Rotor Knife Removal
1. Carefully lock the rotor with the locking pin to prevent
it from turning with the knife in the top position.
2. Loosen the hex head rotor knife bolts and carefully
remove all rotor knives.
3. Rotate the rotor and reposition the locking pin for the
removal of each knife.
4. Clean the rotor knife seats thoroughly with a scraper
and/or emery paper to remove any foreign material or
rust.
5. Inspect the knives and replace or resharpen as required.