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Installing or removing depressed center 
grinding wheel/Multi-disc   
(optional accessory) 

 

WARNING: 

• 

Always use supplied guard when depressed 
center grinding wheel/Multi-disc is on tool. Wheel 
can shatter during use and guard helps to reduce 
chances of personal injury. 

1

2

3

 

 

015048 

Mount the inner flange onto the spindle. Fit the 
wheel/disc on the inner flange and screw the lock nut 
onto the spindle. 

1

2

 

 

015049 

To tighten the lock nut, press the shaft lock firmly so that 
the spindle cannot revolve, then use the lock nut wrench 
and securely tighten clockwise. 
To remove the wheel, follow the installation procedure in 
reverse. 

OPERATION 

 

WARNING: 

• 

It should never be necessary to force the tool. The 
weight of the tool applies adequate pressure. 
Forcing and excessive pressure could cause 
dangerous wheel breakage. 

• 

ALWAYS replace wheel if tool is dropped while grinding. 

• 

NEVER bang or hit grinding disc or wheel onto work. 

• 

Avoid bouncing and snagging the wheel, 
especially when working corners, sharp edges etc. 
This can cause loss of control and kickback. 

• 

NEVER use tool with wood cutting blades and 
other sawblades. Such blades when used on a 
grinder frequently kick and cause loss of control 
leading to personal injury. 

CAUTION: 

• 

Never switch on the tool when it is in contact with 
the workpiece, it may cause an injury to operator. 

• 

Always wear safety goggles or a face shield during 
operation. 

• 

After operation, always switch off the tool and wait 
until the wheel has come to a complete stop 
before putting the tool down. 

Grinding operation 

A

B

15

   

015050 

ALWAYS hold the tool firmly with one hand on rear 
handle and the other on the side handle. 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 degrees to the workpiece surface. 
During the break-in period with a new wheel, do not 
work the grinder in the B direction or it will cut into the 
workpiece. Once the edge of the wheel has been 
rounded off by use, the wheel may be worked in both A 
and B direction. 

MAINTENANCE 

 

CAUTION: 

• 

Always be sure that the tool is switched off and 
unplugged before attempting to perform inspection 
or maintenance. 

• 

Never use gasoline, benzine, thinner, alcohol or 
the like. Discoloration, deformation or cracks may 
result. 

1

2

 

 

015071 

The tool and its air vents have to be kept clean. 
Regularly clean the tool's air vents or whenever the 
vents start to become obstructed. 

 

1. Exhaust vent 
2. Inhalation vent 

1. Lock nut 

wrench 

2. Shaft lock 

1. Lock nut 
2. Depressed 

center grinding 
wheel/Multi-disc

3. Inner flange 

Содержание MT904

Страница 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL DOUBLE INSULATION IMPORTANT Read Before Using Angle Grinder MT904 MT905 015065...

Страница 2: ...r public low voltage distribution systems of between 220 V and 250 V Switching operations of electric apparatus cause voltage fluctuations The operation of this device under unfavorable mains conditio...

Страница 3: ...of dust extraction and collection facilities ensure these are connected and properly used Use of dust collection can reduce dust related hazards Power tool use and care 18 Do not force the power tool...

Страница 4: ...ate 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 co...

Страница 5: ...rger power tool is not suitable for the higher speed of a smaller tool and may burst Additional Safety Warnings 17 When using depressed centre grinding wheels be sure to use only fiberglass reinforced...

Страница 6: ...ration pull the switch trigger and then push in the lock button To stop the tool from the locked position pull the switch trigger fully and then release it ASSEMBLY CAUTION Always be sure that the too...

Страница 7: ...ontrol leading to personal injury CAUTION Never switch on the tool when it is in contact with the workpiece it may cause an injury to operator Always wear safety goggles or a face shield during operat...

Страница 8: ...d at the same time Use only identical carbon brushes 1 2 015051 Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secure the brush holder caps...

Страница 9: ...9...

Страница 10: ...10...

Страница 11: ...11...

Страница 12: ...12 Makita Corporation www makita com 885369 1...

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