Frank COBRA C Operating Instructions Manual page 31

Operating instructions
Parquet floor sander COBRA C
with gentle lifting lever
7. Lay the machine on its left side.
8. Press against the sanding drum carefully with a flat iron bar.
9. Remove the sanding drum out of the machine.
10. Be careful no to loose the parallel key.
11. Slide a new sanding drum on to the sanding drum shaft. The parallel key must fit properly in
the slot on the sanding drum shaft.
12. Apply metal adhesive to the retaining nut and screw it back on the sanding drum shaft. Stand
the machine up and lower the sanding drum to the floor to ensure that the sanding drum
does not turn while you tighten the retaining nut in the next step. Tighten the retaining nut
securely with the enclosed double fork wrench.
13. Pull the main lifting lever back to lift the sanding drum off the floor.
14. Close the sanding drum cover.
15. Ensure that the machine cannot roll away.
Note!
After changing the sanding drum, the surface setting on the machine must be newly adjusted.
(See chapter 8.2)
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