BM 3609929777 1/02 1/3/02 1:16 PM Page 7

Assembly

REMOVING AND INSTALLING

GRINDING WHEELS

1. Depress the spindle lock button to prevent the wheel form rotating.

2.Loosen the lock nut with the wrench provided, and remove lock nut and dry diamond cup wheel (fig. 2).

FIG. 2

DRY

DIAMOND

CUP WHEEL

LOCK NUT

LOCK NUT

WRENCH

 

3.Clean backing flange, spindle, lock nut, and guard with brush insert.

4.Place new dry diamond cup wheel onto the spindle. Depress spindle lock and thread lock nut onto spindle, and securely tighten lock nut with the wrench provided.

WHEEL

GUARD

BACKING

FLANGE SPINDLE

REPLACING BRUSH INSERT

1. With the dry diamond cup wheel mounted, locate separation in brush insert.

2.Carefully begin prying and lifting brush insert where separation begins, with a flat tip screwdriver and remove brush insert (Fig. 3).

3.Carefully press new brush insert into recess in guard until it stops on shoulder of guard.

NOTE: Always be sure that the bristles on the brush insert are not lying in the recess, when installing the brush insert.

WHEEL

GUARD

FIG. 3

BRUSH

INSERT

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Image 7
Bosch Power Tools 1773AK manual Assembly, Removing and Installing Grinding Wheels, Replacing Brush Insert