Makita GA5050R - Инструкция по эксплуатации - Страница 12

12 ENGLISH

OPERATION

WARNING:

It should never be necessary to 

force the tool.

 The weight of the tool applies ade-

quate pressure. Forcing and excessive pressure 

could cause dangerous wheel breakage.

WARNING:

ALWAYS replace wheel if tool is 

dropped while grinding.

WARNING:

NEVER bang or hit grinding disc 

or wheel onto work.

WARNING:

Avoid bouncing and snagging 

the wheel, especially when working corners, 

sharp edges etc.

 This can cause loss of control and 

kickback.

WARNING:

NEVER use tool with wood cutting 

blades and other saw blades.

 Such blades when 

used on a grinder frequently kick and cause loss of 

control leading to personal injury.

WARNING:

Continued use of a worn-out 

wheel may result in wheel explosion and serious 

personal injury.

CAUTION:

Never switch on the tool when it 

is in contact with the workpiece, it may cause an 

injury to operator.

CAUTION:

Always wear safety goggles or a 

face shield during operation.

CAUTION:

After operation, always switch off 

the tool and wait until the wheel has come to a 

complete stop before putting the tool down.

CAUTION:

ALWAYS hold the tool firmly with 

one hand on housing and the other on the side 

grip (handle).

Operation with wheel/disc

► 

Fig.12

Turn the tool on and then apply the wheel or disc to the 

workpiece.

In general, keep the edge of the wheel or disc at an 

angle of about 15° to the workpiece surface.

During the break-in period with a new wheel, do not 

work the grinder in forward direction or it may cut into 

the workpiece. Once the edge of the wheel has been 

rounded off by use, the wheel may be worked in both 

forward and backward direction.

Operation with abrasive cut-off / 

diamond wheel

Optional accessory

WARNING:

When using an abrasive cut-off 

/ diamond wheel, be sure to use only the special 

wheel guard designed for use with cut-off wheels.

(In some European countries, when using a diamond 

wheel, the ordinary guard can be used. Follow the 

regulations in your country.)

WARNING:

NEVER use cut-off wheel for side grinding.

WARNING:

Do not "jam" the wheel or apply 

excessive pressure. Do not attempt to make an exces-

sive 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, wheel 

breakage and overheating of the motor may occur.

WARNING:

Do not start the cutting operation 

in the workpiece. Let the wheel reach full speed and 

carefully enter into the cut moving the tool forward 

over the workpiece surface.

 The wheel may bind, walk 

up or kickback if the power tool is started in the workpiece.

WARNING:

During cutting operations, never 

change the angle of the wheel.

 Placing side pressure 

on the cut-off wheel (as in grinding) will cause the wheel 

to crack and break, causing serious personal injury.

WARNING:

A diamond wheel shall be oper-

ated perpendicular to the material being cut.

► 

Fig.13:

1.

 Lock nut 

2.

 Abrasive cut-off wheel / dia

-

mond wheel 

3.

 Inner flange 

4.

 Wheel guard 

for abrasive cut-off wheel / diamond wheel

As for the installation, follow the instructions for 

depressed center wheel.

The direction for mounting the lock nut and the 

inner flange varies by wheel type and thickness.

Refer to the following figures.

For 100 mm (4″) model

When installing the abrasive cut-off wheel:

► 

Fig.14:

1.

 Lock nut 

2.

 Abrasive cut-off wheel 

(Thinner than 4 mm (5/32")) 

3.

 Abrasive cut-

off wheel (4 mm (5/32") or thicker) 

4.

 Inner 

flange

When installing the diamond wheel:

► 

Fig.15:

1.

 Lock nut 

2.

 Diamond wheel (Thinner than 

4 mm (5/32″)) 

3.

 Diamond wheel (4 mm 

(5/32″) or thicker) 

4.

 Inner flange

For 115 mm (4 - 1/2″) / 125 mm (5″) model

When installing the abrasive cut-off wheel:

► 

Fig.16:

1.

 Lock nut 

2.

 Abrasive cut-off wheel 

(Thinner than 4 mm (5/32")) 

3.

 Abrasive cut-

off wheel (4 mm (5/32") or thicker) 

4.

 Inner 

flange

When installing the diamond wheel:

► 

Fig.17:

1.

 Lock nut 

2.

 Diamond wheel (Thinner than 

4 mm (5/32″)) 

3.

 Diamond wheel (4 mm 

(5/32″) or thicker) 

4.

 Inner flange