English

(5)While pushing the push button with one hand, lock the spindle by turning the depressed center wheel slowly with the other hand.

Tighten the wheel nut by using the supplied wrench as shown in Fig. 5.

CAUTION:

Tighten the wheel nut securely and confirm that the depressed center wheel does not wobble.

2.Disassembly

To remove the depressed center wheel, simply reverse the above-mentioned procedure.

Wrench

Tighten

Wheel nut

Depressed center wheel

Wheel washer

Wheel guard

Spindle

Push button

Fig. 5

MAINTENANCE AND INSPECTION

WARNING:

￿BesuretoswitchpowerOFFanddisconnecttheplugfromthereceptacleduringmaintenanceandinspection.

￿Using cracked, deformed or damaged wheels can lead to wheel breakage and resulting serious injury.

1.Replacing the depressed center wheel

Replacethedepressedcenterwheelwhenithasbeen wornouttoabout2-3/8"(60mm)inexternaldiameter. Confirm that there is no crack or any damage to the depressed center wheel. If there is a crack or a transformation in the wheel, replace it immediately.

2.Inspecting the screws

Regularly inspect all screws and ensure that they are fully tightened. Should any of the screws be loosened, retighten them immediately.

WARNING:

Using this grinder with loosened screws is extremely dangerous.

3.Confirm that there is no damage in the wheel guard, the electrical cord and the housing, etc. Check that the on/off switch operates normally.

4.Inspecting the carbon brushes (Fig. 6)

The motor employs carbon brushes which are consumable parts. Replace the carbon brush with a new one when it becomes worn to its wear limit. Always keep carbon brushes clean and ensure that they slide freely within the brush holders.

13