Makita GA7020, GA7021, GA9020 Operation, Installing or removing abrasive disc optional accessory

Installing or removing depressed center grinding wheel/Multi-disc (accessory)

Installing or removing abrasive disc (optional accessory)

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006737

WARNING:

1.Lock nut

2.Depressed center grinding wheel/Multi-disc

3.Inner flange

1	1.	Lock nut
	2. Abrasive disc
2	3.	Rubber pad
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006740

NOTE:

•Always use supplied guard when depressed center grinding wheel/Multi-disc is on tool. Wheel can shatter during use and guard helps to reduce chances of personal injury.

Mount the inner flange onto the spindle. Fit the wheel/disc on the inner flange and screw the lock nut with its protrusion facing downward (facing toward the wheel).

To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut wrench and securely tighten clockwise.

•Use sander accessories specified in this manual. These must be purchased separately.

Mount the rubber pad onto the spindle. Fit the disc on the rubber pad and screw the lock nut onto the spindle. To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut wrench and securely tighten clockwise.

To remove the disc, follow the installation procedure in reverse.

OPERATION

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006738

1.Lock nut wrench

2.Shaft lock

WARNING:

•	It should never be necessary to force the tool. The
	weight of the tool applies adequate pressure.
	Forcing and excessive pressure could cause
	dangerous wheel breakage.
•	ALWAYS replace wheel if tool is dropped while
	grinding.
•	NEVER bang or hit grinding disc or wheel onto

To remove the wheel, follow the installation procedure in reverse.

Installing or removing flex wheel (optional accessory)

1	1.	Lock nut
2	2.	Flex wheel
	3.	Plastic pad
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	4. Inner flange
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006739

WARNING:

•Always use supplied guard when flex wheel is on tool. Wheel can shatter during use and guard helps to reduce chances of personal injury.

Follow instructions for depressed center grinding wheel/Multi-disc but also use plastic pad over wheel. See order of assembly on accessories page in this manual.

	work.
•	Avoid bouncing and snagging the wheel, especially
	when working corners, sharp edges etc. This can
	cause loss of control and kickback.
•	NEVER use tool with wood cutting blades and
	other sawblades. Such blades when used on a
	grinder frequently kick and cause loss of control
	leading to personal injury.

CAUTION:

•Never switch on the tool when it is in contact with the workpiece, it may cause an injury to operator.

•Always wear safety goggles or a face shield during operation.

•After operation, always switch off the tool and wait until the wheel has come to a complete stop before putting the tool down.

Grinding and sanding operation

ALWAYS hold the tool firmly with one hand on rear handle and the other on the side handle. Turn the tool on and then apply the wheel or disc to the workpiece.

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