Manual Makita 9057F (page 4 of 20) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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ENGLISH

Explanation of general view

1 Wheel guard

2 Screw

3 Notch

4 Side grip

5 Lock nut

6 Depressed center wheel

7 Inner flange

8 Super flange

9 Lock nut wrench

0 Shaft lock

q Switch trigger

w Lock lever

e Brush holder cap

r Screwdriver

SPECIFICATIONS

Model 9047/9047S 9057/9057S 9049/9049S 9059/9059S

9047F/9047SF 9057F/9057SF 9049F/9049SF 9059F/9059SF

Depressed center wheel diameter ........................ 180 mm 180 mm 230 mm 230 mm

Spindle thread ....................................................... M14 M14 M14 M14

No load speed (min

–1

) .......................................... 8,500 8,500 6,600 6,600

Overall length ........................................................ 470 mm 470 mm 470 mm 470 mm

Net weight ............................................................. 4.8 kg 5.1 kg 4.8 kg 5.1 kg

•

Due to our continuing program of research and

development, the specifications herein are subject

to change without notice.

•

Note: Specifications may differ from country to

country.

Power supply

The tool should be connected only to a power supply

of the same voltage as indicated on the nameplate,

and can only be operated on single-phase AC supply.

They are double-insulated in accordance with Euro-

pean Standard and can, therefore, also be used from

sockets without earth wire.

For models 9047, 9049, 9057 and 9059, public

low-voltage distribution systems of between

220 V and 250 V

Switching operations of electric apparatus cause volt-

age fluctuations. The operation of this device under

unfavorable mains conditions can have adverse

effects to the operation of other equipment. With a

mains impedance equal or less than 0.22 (for 9047

and 9049) / 0.24 (for 9057 and 9059) Ohms it can be

presumed that there will be no negative effects.

The mains socket used for this device must be

protected with a fuse or protective circuit breaker

having slow tripping characteristics.

Safety hints

For your own safety, please refer to the enclosed

safety instructions.

ADDITIONAL SAFETY RULES ENB031-3

1. Always wear safety goggles and ear protec-

tors during operation.

2. Always be sure that the tool is switched off

and unplugged before carrying out any work

on the tool.

3. Keep guards in place.

4. Use only wheels with correct size and wheels

having a maximum operating speed at least as

high as the highest No Load Speed marked on

the tool’s nameplate.When using depressed

center wheels, be sure to use only fiberglass-

reinforced wheels.

5. Check the wheel carefully for cracks or dam-

age before operation. Replace cracked or

damaged wheel immediately.

6. Observe the instructions of the manufacturer

for correct mounting and use of wheels.

Handle and store wheels with care.

7. Do not use separate reducing bushings or

adaptors to adapt large hole abrasive wheels.

8. Use only flanges specified for this tool.

9. Do not damage the spindle, the flange (espe-

cially the installing surface) or the lock nut.

Damage to these parts could result in wheel

breakage.

10. For tools intended to be fitted with threaded

hole wheel, ensure that the thread in the wheel

is long enough to accept the spindle length.

11. Before using the tool on an actual workpiece,

test run the tool at the highest no load speed

for at least 30 seconds in a safe position. Stop

immediately if there is any vibration or wob-

bling that could indicate poor installation or a

poorly balanced wheel. Check the tool to

determine the cause.

12. Check that the workpiece is properly sup-

ported.

13. Hold the tool firmly.

14. Keep hands away from rotating parts.

15. Make sure the wheel is not contacting the

workpiece before the switch is turned on.

16. Use the specified surface of the wheel to

perform the grinding.

17. Do not use cutting off wheel for side grinding.

18. Watch out for flying sparks. Hold the tool so

that sparks fly away from you and other per-

sons or flammable materials.

19. Pay attention that the wheel continues to

rotate after the tool is switched off.

20. Do not touch the workpiece immediately after

operation; it may be extremely hot and could

burn your skin.

21. Position the tool so that the power cord

always stays behind the tool during operation.

22. If working place is extremely hot and humid, or

badly polluted by conductive dust, use a

short-circuit breaker (30 mA) to assure opera-

tor safety.

9047(E) (’100. 12. 26)

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Makita 9057F Manual

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