Bosch GWS18V-8B15 Operating/Safety Instructions Manual page 17

Concrete Dust Extraction
Attachment for Surfacing Grinding
Assembly
A type 27 grinding wheel guard
may not be used for all tool
operations. Do not discard guard when not in use.
Always reinstall wheel guard when converting back to
grinding operations.
Dust Extraction Attachment is
not a guard, do not use with
bonded abrasive wheels. Dust extraction attachment
may not protect operator in the event of a wheel burst.
TO INSTALL CONCRETE DUST
EXTRACTION ATTACHMENT (FIG. 9)
1. Unplug tool from power source.
2. Position appropriate attachment on spindle neck with
dust port pointing away from tool body.
3. Rotate attachment clockwise 90º until guard clicks in
place.
4. Adjust attachment by depressing guard release button
and rotate to desired position.
5. Allow guard release button to click in place.
6. Place the backing flange on the spindle.
7. Place the diamond cup wheel onto the spindle and
align with the flange.
8. Thread the lock nut onto the spindle with the lock nut
relief facing the accessory.
9. Tighten lock nut with supplied lock nut wrench while
holding spindle lock.
When using spin on wheels, follow steps 1 - 5, then
thread wheel directly onto spindle without using the
supplied flanges.
TO REMOVE: Reverse procedure.
Assembly
FIG. 9
Spindle
CONCRETE DUST EXTRACTION
Wheel
guard
-17-
ATTACHMENT
Spindle
neck