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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.
Figure 29
Outer
Flange
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.
EC7500.20A
EC7500.20
Belt Guard
Hex Wrench
Outer
Flange
Bolt
Wrench
Tighten
Loosen
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.
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.
WARNING!
Make sure the replacement cut-off
wheel rpm rating is greater than
the speed indicated on the wheel
guard label.
EC7500.42
Label Showing
Direction of
Rotation
Label Showing
Rated and Maximum
Spindle Speed
Wheel Guard
Diamond
Wheel
Replacing the Cut-off Wheel