Manual Makita GA5040C (page 9 of 116) (English, German, Dutch, Danish, French, Italian, Portuguese, Turkish, Spanish)

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• When using an abrasive cut-off / diamond wheel, be

sure to use only the special wheel guard designed for

use with cut-off wheels. (In some European countries,

when using a diamond wheel, the ordinary guard can

be used. Follow the regulations in your country.)

For tool with locking screw type wheel guard

Mount the wheel guard with the protrusions on the wheel

guard band aligned with the notches on the bearing box.

Then rotate the wheel guard around 180° counterclock-

wise. Be sure to tighten the screw securely.

To remove wheel guard, follow the installation procedure

in reverse.

For tool with clamp lever type wheel guard

Pull the lever in the direction of the arrow after loosening

the screw. Mount the wheel guard with the protrusions on

the wheel guard band aligned with the notches on the

bearing box. Then rotate the wheel guard around 180°.

Tighten the wheel guard with fastening the screw after

pulling lever in the direction of the arrow. The setting

angle of the wheel guard can be adjusted with the lever.

To remove wheel guard, follow the installation procedure

in reverse.

Installing or removing depressed center wheel or

flap disc (optional accessory) (Fig. 9 & 10)

WARNING:

• When using a depressed center wheel or flap disc, the

wheel guard must be fitted on the tool so that the

closed side of the guard always points toward the oper-

ator.

Mount the inner flange onto the spindle. Fit the wheel/

disc on the inner flange 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 wheel, follow the installation procedure in

reverse.

Super flange (Optional accessory)

Models with the letter F are standard-equipped with

Super flange. Only 1/3 of efforts needed to undo lock nut,

compared with conventional type.

CAUTION:

• Do not use super flange for models equipped with the

mechanical brake. Otherwise it may loosen when the

brake is activated.

Installing or removing Ezynut (optional

accessory) (Fig. 11, 12, 13 & 14)

CAUTION:

• Do not use Ezynut with Super Flange or angle grinder

with “F” on the end of the model No. Those flanges are

so thick that the entire thread cannot be retained by the

spindle.

Mount inner flange, abrasive wheel and Ezynut onto the

spindle so that Makita Logo on Ezynut faces outside.

Press shaft lock firmly and tighten Ezynut by turning the

abrasive wheel clockwise as far as it turns.

Turn the outside ring of Ezynut counterclockwise to

loosen.

NOTE:

• Ezynut can be loosened by hand as long as the arrow

points the notch. Otherwise a lock nut wrench is

required to loosen it. Insert one pin of the wrench into a

hole and turn Ezynut counterclockwise.

Installing or removing flex wheel (optional

accessory) (Fig. 15)

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 wheel but also

use plastic pad over wheel. See order of assembly on

accessories page in this manual.

Installing or removing abrasive disc (optional

accessory) (Fig. 16)

NOTE:

• 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 sanding lock nut onto the spin-

dle. To tighten the sanding 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.

Installing or removing dust cover attachment

(Optional accessory) (Fig. 17)

WARNING:

• Always be sure that the tool is switched off and

unplugged before installing or removing the dust

cover attachment. Failure to do so causes damage to

the tool or a personal injury.

There are four pieces of dust cover attachment and each

is used in one of different positions.

Set the dust cover attachment so that the marking (A, B,

C or D) places as shown. Snap its pins in the vents.

Dust cover attachment can be removed by hand.

NOTE:

• Clean out the dust cover attachment when it is clogged

with dust or foreign matters. Continuing operation with

a clogged dust cover attachment will damage the tool.

OPERATION

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 grind-

ing.

• NEVER bang or hit grinding disc or wheel onto 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

saw blades. Such blades when used on a grinder fre-

quently kick and cause loss of control leading to per-

sonal injury.

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Makita GA5040C Manual

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