Manual Makita GA9020R (page 7 of 68) (English, German, Dutch, Danish, French, Italian, Portuguese, Spanish)

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c) When wheel is binding or when interrupting a

cut for any reason, switch off the power tool and

hold the power tool motionless until the wheel

comes to a complete stop. Never attempt to

remove the cut-off wheel from the cut while the

wheel is in motion otherwise kickback may occur.

Investigate and take corrective action to eliminate the

cause of wheel binding

d) Do not restart the cutting operation in the

workpiece. Let the wheel reach full speed and

carefully reenter the cut. The wheel may bind, walk

up or kickback if the power tool is restarted in the

workpiece.

e) Support panels or any oversized workpiece to

minimize the risk of wheel pinching and kickback.

Large workpieces tend to sag under their own weight.

Supports must be placed under the workpiece near

the line of cut and near the edge of the workpiece on

both sides of the wheel.

f) Use extra caution when making a “pocket cut”

into existing walls or other blind areas. The

protruding wheel may cut gas or water pipes, electrical

wiring or objects that can cause kickback.

Safety Warnings Specific for Sanding Operations:

a) Do not use excessively oversized sanding disc

paper. Follow manufacturers recommendations,

when selecting sanding paper. Larger sanding

paper extending beyond the sanding pad presents a

laceration hazard and may cause snagging, tearing of

the disc or kickback.

Safety Warnings Specific for Wire Brushing

Operations:

a) Be aware that wire bristles are thrown by the

brush even during ordinary operation. Do not

overstress the wires by applying excessive load to

the brush. The wire bristles can easily penetrate light

clothing and/or skin.

b) If the use of a guard is recommended for wire

brushing, do not allow interference of the wire

wheel or brush with the guard. Wire wheel or brush

may expand in diameter due to work load and

centrifugal forces.

Additional safety warnings:

17. When using depressed centre grinding wheels, be

sure to use only fiberglass-reinforced wheels.

18. Be careful not to damage the spindle, the flange

(especially the installing surface) or the lock nut.

Damage to these parts could result in wheel

breakage.

19. Make sure the wheel is not contacting the

workpiece before the switch is turned on.

20. Before using the tool on an actual workpiece, let it

run for a while. Watch for vibration or wobbling

that could indicate poor installation or a poorly

balanced wheel.

21. Use the specified surface of the wheel to perform

the grinding.

22. Watch out for flying sparks. Hold the tool so that

sparks fly away from you and other persons or

flammable materials.

23. Do not leave the tool running. Operate the tool

only when hand-held.

24. Do not touch the workpiece immediately after

operation; it may be extremely hot and could burn

your skin.

25. Always be sure that the tool is switched off and

unplugged or that the battery cartridge is removed

before carrying out any work on the tool.

26. Observe the instructions of the manufacturer for

correct mounting and use of wheels. Handle and

store wheels with care.

27. Do not use separate reducing bushings or

adaptors to adapt large hole abrasive wheels.

28. Use only flanges specified for this tool.

29. 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.

30. Check that the workpiece is properly supported.

31. Pay attention that the wheel continues to rotate

after the tool is switched off.

32.

If working place is extremely hot and humid, or

badly polluted by conductive dust, use a short-

circuit breaker (30 mA) to assure operator safety.

33. Do not use the tool on any materials containing

asbestos.

34. Do not use water or grinding lubricant.

35. Ensure that ventilation openings are kept clear

when working in dusty conditions. If it should

become necessary to clear dust, first disconnect

the tool from the mains supply (use non metallic

objects) and avoid damaging internal parts.

36. When use cut-off wheel, always work with the dust

collecting wheel guard required by domestic

regulation.

37. Cutting discs must not be subjected to any lateral

pressure.

SAVE THESE INSTRUCTIONS.

WARNING:

DO NOT let comfort or familiarity with product (gained

from repeated use) replace strict adherence to safety

rules for the subject product. MISUSE or failure to

follow the safety rules stated in this instruction

manual may cause serious personal injury.

FUNCTIONAL DESCRIPTION

CAUTION:

• Always be sure that the tool is switched off and

unplugged before adjusting or checking function on the

tool.

Shaft lock (Fig. 1)

CAUTION:

• Never actuate the shaft lock when the spindle is

moving. The tool may be damaged.

Press the shaft lock to prevent spindle rotation when

installing or removing accessories.

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Makita GA9020R Manual

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