3M 14253 Originalbetriebsanleitung Seite 16

When using diamond cutting discs, pay attention that the direction-of-rotation arrow on the diamond cut-
ting disc and the direction of rotation of the machine (see direction-of-rotation arrow on the machine
head) agree.
See graphics page for the mounting sequence.
To fasten the grinding/cutting disc, screw on the clamping nut (13) and tighten with the two-hole span-
ner.
After fitting the abrasive tool, check that the abrasive tool is fitted correctly and can turn freely
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before switching on the power tool. Make sure that the abrasive tool does not brush against the
protective guard or other parts.
A plastic part (O-ring) is fitted around the centring collar in the mounting flange (8). If the O-
ring is missing or damaged, the mounting flange (8) must be replaced before operation
can resume.
Rubber sanding pad
See the graphics page for fitting instructions.
Screw on the round nut (19) and tighten with the two-pin spanner.
To change the abrasive tool easily without having to use any additional tools, you can use the quick-
clamping nut (12) instead of the clamping nut (13).
The quick-clamping nut (12) may be used only for grinding or cutting discs.
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Only use quick-clamping nuts (12) that are in good working order and not damaged.
When screwing on, make sure that the printed side of the quick-clamping nut (12) is not facing the
grinding disc; the arrow must be pointing towards the index mark (20).
(20)
You can use all the abrasive tools mentioned in these operating instructions.
The permissible speed [min
match the values given in the table.
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Quick-Clamping Nut
Press the spindle lock button (2) to lock the grinding spindle. To tighten the
quick-clamping nut, turn the grinding disc firmly clockwise.
If the quick-clamping nut has been attached correctly and is not damaged,
you can loosen it by hand by turning the knurled ring anticlockwise. Never
loosen a tight quick-clamping nut with pliers. Always use the combina-
tion wrench. Insert the combination wrench as shown in the figure.
Approved Abrasive Tools
-1 ] or the circumferential speed [m/s] of the abrasive tools used must at least
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1 609 92A 6BB • 16.3.21