Page 36 40 Series Granulators
5. Clean the bed knife seats thoroughly with a scraper
and/or emery paper to remove any foreign material and
rust.
6. Inspect the components and replace or resharpen as
required.
9-4 Rotor Knife Removal
1. Carefully lock the rotor with locking pins to prevent it
from turning.
2. Loosen the hex head rotor knife bolts and carefully
remove all rotor knives.
3. Clean the rotor knife seats thoroughly with a scraper
and/or emery paper to remove any foreign material or
rust.
4. Inspect the knives and replace or resharpen as required.
9-5 Rotor Knife Sharpening
The rotor knives must be sharpened to within 0.05 mm of
each other. Greater dimensional variations prevent the
proper setting of the knife gap and may create other serious
complications.
Grinding the cutting edge until it is free of nicks can be
wasteful. It is not harmful to allow small nicks to remain in
the cutting edge.
Do not install rotor knives that are smaller than the minimum dimension shown,
because the fasteners that secure these knives may interfere with the cutting circle.
The rotor will not be able to rotate and the knives will be damaged.
It is important to note that the minimum dimensions given for the rotor knife and bed
knife cannot be combined simultaneously to produce a cutting combination.
NOTE: Replacement knife sets and knife re-sharpening services are
available from Cumberland Europe Ltd. Contact the
Customer Service Department at +44 (0)1453 768980.
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