Manual Makita DGA402 (page 8 of 76) (English, German, Dutch, Danish, French, Italian, Portuguese, Spanish)

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d) Wheels must be used only for recommended

applications. For example: do not grind with the

side of cut-off wheel. Abrasive cut-off wheels are

intended for peripheral grinding, side forces applied

to these wheels may cause them to shatter.

e) Always use undamaged wheel flanges that are

of correct size and shape for your selected wheel.

Proper wheel flanges support the wheel thus

reducing the possibility of wheel breakage. Flanges

for cut-off wheels may be different from grinding

wheel flanges.

f) Do not use worn down wheels from larger

power tools. Wheel intended for larger power tool is

not suitable for the higher speed of a smaller tool and

may burst.

Additional Safety Warnings Specific for Abrasive

Cutting-Off Operations:

a) Do not “jam” the cut-off wheel or apply

excessive pressure. Do not attempt to make an

excessive depth of cut. Overstressing the wheel

increases the loading and susceptibility to twisting or

binding of the wheel in the cut and the possibility of

kickback or wheel breakage.

b) Do not position your body in line with and

behind the rotating wheel. When the wheel, at the

point of operation, is moving away from your body,

the possible kickback may propel the spinning wheel

and the power tool directly at you.

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 re-enter 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:

16. When using depressed centre grinding wheels, be

sure to use only fiberglass-reinforced wheels.

17. NEVER USE Stone Cup type wheels with this

grinder. This grinder is not designed for these types

of wheels and the use of such a product may result in

serious personal injury.

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. Do not leave the tool running. Operate the tool

only when hand-held.

23. Do not touch the workpiece immediately after

operation; it may be extremely hot and could burn

your skin.

24. Observe the instructions of the manufacturer for

correct mounting and use of wheels. Handle and

store wheels with care.

25. Do not use separate reducing bushings or

adaptors to adapt large hole abrasive wheels.

26. Use only flanges specified for this tool.

27. 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.

28. Check that the workpiece is properly supported.

29. Pay attention that the wheel continues to rotate

after the tool is switched off.

30. 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.

31. Do not use the tool on any materials containing

asbestos.

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

collecting wheel guard required by domestic

regulation.

33. 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.

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Makita DGA402 Manual

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