Makita DGA504RTJ - Инструкция по эксплуатации - Страница 8

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tool.

 Accessories running faster than their rated 

speed can break and fly apart.

5.

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 tool may contact hidden wiring.

 Contact 

with a “live” wire will also make exposed metal parts of 
the power tool “live” and could give the operator an 
electric shock.

11.

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.

12.

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. 

13.

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.

14.

Do not operate the power tool near flammable 
materials.

 Sparks could ignite these materials.

15.

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 movement at the point of 
pinching. Abrasive wheels may also break under these 
conditions.
Kickback is the result of power tool misuse and/or 
incorrect operating procedures or conditions and can be 
avoided by taking proper precautions as given below.

a) 

Maintain a firm grip on the power tool and 

position your body and arm to allow you to resist 
kickback forces. Always use auxiliary handle, if 
provided, for maximum control over kickback or 
torque reaction during start-up.

 The operator can 

control torque reactions or kickback forces, if proper 
precautions are taken.
b) 

Never place your hand near the rotating 

accessory.

 Accessory may kickback over your hand.

c) 

Do not position your body in the area where 

power tool will move if kickback occurs.

 Kickback 

will propel the tool in direction opposite to the wheel’s 
movement at the point of snagging.
d) 

Use special care when working corners, sharp 

edges etc. Avoid bouncing and snagging the 
accessory.

 Corners, sharp edges or bouncing have 

a tendency to snag the rotating accessory and cause 
loss of control or kickback.
e) 

Do not attach a saw chain woodcarving blade 

or toothed saw blade.

 Such blades create frequent 

kickback and loss of control.

Safety Warnings Specific for Grinding and Abrasive 
Cutting-Off Operations:

a) 

Use only wheel types that are recommended 

for your power tool and the specific guard 
designed for the selected wheel.

 Wheels for which 

the power tool was not designed cannot be 
adequately guarded and are unsafe.
b) 

The grinding surface of centre depressed 

wheels must be mounted below the plane of the 
guard lip.

 An improperly mounted wheel that projects 

through the plane of the guard lip cannot be 
adequately protected.
c) 

The guard must be securely attached to the 

power tool and positioned for maximum safety, 
so the least amount of wheel is exposed towards 
the operator. 

The guard helps to protect the operator 

from broken wheel fragments, accidental contact with 
wheel and sparks that could ignite clothing.
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.