Replacing the Cut-off Wheel

1.Make sure the ignition switch is Off and the engine is stopped.

2.Insert a 6mm hex wrench into the hole in the belt guard to prevent the drive shaft from turning.

See Figure 29.

Replacing the Cut-off Wheel

EC7500.20A

Belt Guard

Hex Wrench

Outer

Outer Flange

Flange Bolt

Wrench

Tighten

Loosen EC7500.20

Figure 29

3.Loosen the outer ﬂange bolt with the wrench and remove the bolt and outer ﬂange.

4.Before mounting a cut-off wheel, determine its arbor diameter. If nec- essary, remove the snap ring from the arbor, install the correct collar, then re-install the snap ring.

WARNING!

Using the wrong size collar may lead to failure of the wheel or the unit and could result in serious injury.

5.Remove the old wheel and install the new one. Make sure the inner bore is properly set onto the collar.

6.Replace the outer ﬂange and bolt, then holding the hex wrench in the hole of the belt guard, tighten the bolt with the wrench.

7.Make sure the cut-off wheel is securely fastened and does not wobble.

WARNING!

Make sure the replacement cut-off wheel rpm rating is greater than the speed indicated on the wheel guard label.

	Label Showing	Label Showing
		Rated and Maximum
	Direction of
		Spindle Speed
	Rotation

EC7500.42

Diamond Wheel Guard

Wheel

CAUTION!

Make sure the rotating direction of wheel corresponds to the one in- dicated on the wheel guard. Make sure there is no dust around the outer ﬂange.