Makita GA9020S Instruction Manual download pdf (Page 5)

GEB033-7

GRINDER SAFETY WARNINGS

Safety Warnings Common for Grinding, Sanding,

Wire Brushing, or Abrasive Cutting-Off Operations:

1. This power tool is intended to function as a

grinder, sander, wire brush or cut-off tool.

Read all safety warnings, instructions,

illustrations and specifications provided with

this power tool. Failure to follow all instructions

listed below may result in electric shock, fire

and/or serious injury.

2. Operations such as polishing are not

recommended to be performed with this

power tool. Operations for which the power tool

was not designed may create a hazard and cause

personal injury.

3. Do not use accessories which are not

specifically designed and recommended by

the tool manufacturer. Just because the

accessory can be attached to your power tool, it

does not assure safe operation.

4. The rated speed of the accessory must be at

least equal to the maximum speed marked on

the power tool. Accessories running faster than

their rated speed can break and fly apart.

The outside diameter and the thickness of your

accessory must be within the capacity rating of

your power tool.

Incorrectly sized accessories

cannot be adequately guarded or controlled.

6. Threaded mounting of accessories must

match the grinder spindle thread. For

accessories mounted by flanges, the arbour

hole of the accessory must fit the locating

diameter of the flange. Accessories that do not

match the mounting hardware of the power tool

will run out of balance, vibrate excessively and

may cause loss of control.

7. Do not use a damaged accessory. Before each

use inspect the accessory such as abrasive

wheels for chips and cracks, backing pad for

cracks, tear or excess wear, wire brush for

loose or cracked wires. If power tool or

accessory is dropped, inspect for damage or

install an undamaged accessory. After

inspecting and installing an accessory,

position yourself and bystanders away from

the plane of the rotating accessory and run

the power tool at maximum no-load speed for

one minute. Damaged accessories will normally

break apart during this test time.

8. Wear personal protective equipment.

Depending on application, use face shield,

safety goggles or safety glasses. As

appropriate, wear dust mask, hearing

protectors, gloves and workshop apron

capable of stopping small abrasive or

workpiece fragments. The eye protection must

be capable of stopping flying debris generated by

various operations. The dust mask or respirator

must be capable of filtrating particles generated

by your operation. Prolonged exposure to high

intensity noise may cause hearing loss.

9. Keep bystanders a safe distance away from

work area. Anyone entering the work area

must wear personal protective equipment.

Fragments of workpiece or of a broken accessory

may fly away and cause injury beyond immediate

area of operation.

10. Hold the power tool by insulated gripping

surfaces only, when performing an operation

where the cutting accessory may contact

hidden wiring or its own cord. Cutting

accessory contacting a "live" wire may make

exposed metal parts of the power tool "live" and

could give the operator an electric shock.

11. Position the cord clear of the spinning

accessory. If you lose control, the cord may be

cut or snagged and your hand or arm may be

pulled into the spinning accessory.

12. Never lay the power tool down until the

accessory has come to a complete stop. The

spinning accessory may grab the surface and pull

the power tool out of your control.

13. Do not run the power tool while carrying it at

your side. Accidental contact with the spinning

accessory could snag your clothing, pulling the

accessory into your body.

14. Regularly clean the power tool’s air vents. The

motor’s fan will draw the dust inside the housing

and excessive accumulation of powdered metal

may cause electrical hazards.

15. Do not operate the power tool near flammable

materials. Sparks could ignite these materials.

16. Do not use accessories that require liquid

coolants. Using water or other liquid coolants

may result in electrocution or shock.

Kickback and Related Warnings

Kickback is a sudden reaction to a pinched or snagged

rotating wheel, backing pad, brush or any other accessory.

Pinching or snagging causes rapid stalling of the rotating

accessory which in turn causes the uncontrolled power

tool to be forced in the direction opposite of the

accessory’s rotation at the point of the binding.

For example, if an abrasive wheel is snagged or

pinched by the workpiece, the edge of the wheel that is

entering into the pinch point can dig into the surface of

the material causing the wheel to climb out or kick out.

The wheel may either jump toward or away from the

operator, depending on direction of the wheel’s

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Makita GA9020S Instruction Manual Page 5

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