Make sure the wheel has come to a complete stop before laying the tool down.

: Allow the tool to reach full speed before touching tool to the work surface. Lift the tool from the work surface before turning the tool off.

SPINDLE LOCK

The spindle lock button (3) is provided to prevent the spindle from rotating when installing or removing wheels. Operate the spindle lock only when the tool is turned off, the battery is removed, and the wheel has come to a complete stop.

: Do not engage the spindle lock while the tool is operating. Damage to the tool will result and attached accessory may spin off possibly resulting in injury. To engage the lock, depress the spindle lock button shown in figure J and rotate the spindle until you are unable to rotate the spindle further.

J

3

Mounting and Using Depressed Center Grinding Wheels and Sanding Flap Discs

MOUNTING AND REMOVING HUBBED WHEELS

: Turn off tool and remove battery before making any adjustments or removing or installing attachments or accessories.

Hubbed wheels install directly on the 5/8 in.-11 threaded spindle.

1.Thread the wheel on the spindle by hand.

2.Depress the spindle lock button and use a wrench to tighten the hub of the wheel.

3.Reverse the above procedure to remove the wheel.

: Failure to properly seat the wheel before turning the tool on may result in

damage to the tool or the wheel.

MOUNTING NON-HUBBED WHEELS

: Turn off tool and remove battery before making any adjustments or removing or installing attachments or accessories.

Depressed center Type 27 grinding wheels must be used with included flanges. See pages 13 and 14 of this manual for more information.

1.Figure K - Install the unthreaded backing flange

(7) on spindle (4) with the raised section (pilot) against the wheel.

K

7

4

 

2.Place wheel against the backing flange, centering the wheel on the raised section (pilot) of the backing flange.

3. Figure L - While depressing the spindle lock

L

button, thread the threaded clamp nut (8) on

 

spindle.

 

8

15

Page 15
Image 15
Porter-Cable PC1800AG instruction manual Spindle Lock, Mounting and Removing Hubbed Wheels, Mounting NON-HUBBED Wheels