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9 ENGLISH

Shaft lock

Press the shaft lock to prevent spindle rotation when 

installing or removing accessories.

1

►    

1.

 Shaft lock

NOTICE:

 

Never actuate the shaft lock when the 

spindle is moving.

 The tool may be damaged.

Switch action

CAUTION:

 

Before installing the battery car-

tridge into the tool, always check to see that the 

switch lever actuates properly and returns to the 

"OFF" position when released.

CAUTION:

 

Do not pull the switch lever hard 

without pulling the lock-off lever.

 This can cause 

switch breakage.

To prevent the switch lever from being accidentally 

pulled, a lock-off lever is provided.

To start the tool, pull the lock-off lever toward the opera

-

tor and then pull the switch lever.

To stop the tool, release the switch lever.

2

1

►    

1.

 Lock-off lever 

2.

 Switch lever

Automatic speed change function

1

►    

1.

 Mode indicator

Mode indicator status

Operation mode

High speed mode

High torque mode

This tool has "high speed mode" and "high torque 

mode". It automatically changes operation mode 

depending on the work load. When mode indicator 

lights up during operation, the tool is in high torque 

mode.

Accidental re-start preventive 

function

Even if installing the battery cartridge while pulling the 

switch lever, the tool does not start.

To start the tool, first release the switch lever. Then pull 

the lock-off lever, and pull the switch lever.

Electronic torque control function

The tool electronically detects situations where the 

wheel or accessory may be at risk to be bound. In the 

situation, the tool is automatically shut off to prevent 

further rotation of the spindle (it does not prevent 

kickback).

To restart the tool, switch off the tool first, remove the 

cause of sudden drop in the rotation speed, and then 

turn the tool on.

Soft start feature

Soft start feature reduces starting reaction.

Electric brake

Electric brake is activated after the tool is switched off.

The brake does not work when the power supply is shut 

down, such as the battery is removed accidentally, with 

the switch still on.

Summary of Contents for DGA458

Page 1: ...INSTRUCTION MANUAL Cordless Angle Grinder DGA408 DGA458 DGA508 ENGLISH Original instructions Read before use ...

Page 2: ...eached the end of their life must be col lected separately and returned to an envi ronmentally compatible recycling facility Intended use The tool is intended for grinding sanding and cutting of metal and stone materials without the use of water Noise The typical A weighted noise level determined accord ing to EN60745 Model DGA458 Sound pressure level LpA 80 dB A Uncertainty K 3 dB A Model DGA508 ...

Page 3: ...ify the plug in any way Do not use any adapter plugs with earthed grounded power tools Unmodified plugs and matching outlets will reduce risk of electric shock 2 Avoid body contact with earthed or grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of elec tric shock if your body is earthed or grounded 3 Do not expose power tools to rain or wet con ditions...

Page 4: ...r lubricating and chang ing accessories 3 Keep handles dry clean and free from oil and grease Cordless 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 illus trations and specifications provided with this ...

Page 5: ... and cause loss of control or kickback 5 Do not attach a saw chain woodcarving blade or toothed saw blade Such blades create fre quent kickback and loss of control Safety Warnings Specific for Grinding and Abrasive Cutting Off Operations 1 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 des...

Page 6: ...ed hole wheel ensure that the thread in the wheel is long enough to accept the spindle length 13 Check that the workpiece is properly supported 14 Pay attention that the wheel continues to rotate after the tool is switched off 15 If working place is extremely hot and humid or badly polluted by conductive dust use a short circuit breaker 30 mA to assure opera tor safety 16 Do not use the tool on an...

Page 7: ...ing or checking function on the tool Installing or removing battery cartridge CAUTION Always switch off the tool before installing or removing of the battery cartridge CAUTION Hold the tool and the battery car tridge firmly when installing or removing battery cartridge Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool a...

Page 8: ...n some conditions the indicators light up Overload protection When the tool is operated in a manner that causes it to draw an abnormally high current the tool automatically stops without any indication In this situation turn the tool off and stop the application that caused the tool to become overloaded Then turn the tool on to restart Overheat protection When the tool is overheated the tool stops...

Page 9: ...This tool has high speed mode and high torque mode It automatically changes operation mode depending on the work load When mode indicator lights up during operation the tool is in high torque mode Accidental re start preventive function Even if installing the battery cartridge while pulling the switch lever the tool does not start To start the tool first release the switch lever Then pull the lock...

Page 10: ... Follow the regulations in your country For tool with locking screw type wheel guard Mount the wheel guard with the protrusions on the wheel guard band aligned with the notches on the bear ing box Then rotate the wheel guard to such an angle that it can protect the operator according to work Be sure to tighten the screw securely To remove wheel guard follow the installation proce dure in reverse 1...

Page 11: ...wrench and securely tighten clockwise 1 2 1 Lock nut wrench 2 Shaft lock To remove the wheel follow the installation procedure in reverse Installing or removing flex wheel Optional accessory WARNING Always use supplied guard when flex wheel is on tool Wheel can shatter during use and guard helps to reduce chances of personal injury 1 2 3 4 1 Lock nut 2 Flex wheel 3 Back up pad 4 Inner flange Follo...

Page 12: ...ding operation 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 ba...

Page 13: ... 4 4 2 3 1 Lock nut 2 Diamond wheel Thinner than 4mm 5 32 3 Diamond wheel 4mm 5 32 or thicker 4 Inner flange For 115 mm 4 1 2 125 mm 5 model When installing the abrasive cut off wheel 1 1 4 4 2 3 1 Lock nut 2 Abrasive cut off wheel Thinner than 4mm 5 32 3 Abrasive cut off wheel 4mm 5 32 or thicker 4 Inner flange When installing the diamond wheel 1 1 4 4 2 3 1 Lock nut 2 Diamond wheel Thinner than ...

Page 14: ...chances of personal injury 1 1 Wire wheel brush Remove the battery cartridge from the tool and place it upside down allowing easy access to spindle Remove any accessories on spindle Thread wire wheel brush onto spindle and tighten with the wrenches NOTICE Avoid applying too much pressure which causes over bending of wires when using wire wheel brush It may lead to premature breakage MAINTENANCE CA...

Page 15: ... 2 model 125 mm 5 model 1 Grip 36 2 Wheel Guard for grinding wheel 3 Inner flange 4 Depressed center wheel Flap disc 5 Lock nut 6 Back up pad 7 Flex wheel 8 Inner flange and rubber pad 76 Rubber pad 100 Rubber pad 115 9 Abrasive disc 10 Sanding lock nut 11 Wire wheel brush 12 Wire cup brush 13 Wheel Guard for cut off wheel 1 14 Abrasive cut off wheel Diamond wheel Lock nut wrench NOTE 1 In some Eu...

Page 16: ...885471A226 EN 20151001 www makita com Makita Europe N V Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan Jan Baptist Vinkstraat 2 3070 Kortenberg Belgium ...

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