Blastrac BMS-220 ADB Operating Manual page 24

Wings
It's important to keep the "wings" sharp. They can be sharpening by the same way like other blades.
Sometimes it happened that job need be made quite quick. To save time on jobsite good to have many tools
and only replace them. All service ( sharpening ) can be done in that case on workshop.
Cutting heads are use to mount blades. They are make in different size to adjust them to material which we
want remove. Changing blade in that part is easy and quick:
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