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Installing side grip 

   

007955 

CAUTION: 

• 

Always be sure that the side grip is installed 
securely before operation. 

Screw the side grip securely on the position of the tool as 
shown in the figure. 

Installing or removing wheel guard (For 
depressed center wheel , multi disc / abrasive 
cut-off wheel , diamond wheel) 
For tool with locking screw type wheel guard 

1

2

3

 

 

011221 

1

2

3

 

 

011222 

Mount the wheel guard with the tab on the wheel guard 
band aligned with the notch on the bearing box. Then 
rotate the wheel guard 180° clockwise or 
counterclockwise. Be sure to tighten the screw securely. 

 
 
 
 
 
 

Installing or removing depressed center 
wheel (optional accessory) 

1

2
3

4

 

 

003959 

1

2

 

 

001649 

CAUTION: 

• 

Always be sure that the tool is switched off and 
unplugged before installing or removing the wheel. 

Mount the inner flange onto the spindle. (THE SIDE 
WITH THE RUBBER SURFACE SHOULD CONTACT 
THE WHEEL for rubber molded inner flange only. ) Fit the 
wheel on over the inner flange and screw the lock nut 
onto the spindle. 
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. 

• 

Continued use of a worn-out wheel may result in 
wheel explosion and serious personal injury. 

 
 
 
 
 
 

1. Lock nut wrench 
2. Shaft lock 

1. Lock nut 
2. Depressed 

centre wheel 

3. Inner flange 
4. Spindle 

1. Wheel guard 
2. Bearing box 
3. Screw 

1. Wheel guard 
2. Bearing box 
3. Screw 

Summary of Contents for MGA400

Page 1: ...1 ENGLISH Original instructions INSTRUCTION MANUAL DOUBLE INSULATION IMPORTANT Read Before Using Angle Grinder MGA400 MGA450 MGA500 003565 ...

Page 2: ...o be used from sockets without earth wire GEA005 3 General Power Tool Safety Warnings WARNING Read all safety warnings and all instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term power tool in the warnings refers to your mains operated corded power tool or battery opera...

Page 3: ... dangerous and must be repaired 20 Disconnect the plug from the power source and or the battery pack from the power tool before making any adjustments changing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally 21 Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or the...

Page 4: ...trol 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 ...

Page 5: ...the cut while the wheel is in motion otherwise kickback may occur Investigate and take corrective action to eliminate the cause of wheel binding d Do not restart the cutting operation in the workpiece Let the wheel reach full speed and carefully reenter the cut The wheel may bind walk up or kickback if the power tool is restarted in the workpiece e Support panels or any oversized workpiece to mini...

Page 6: ...metallic objects and avoid damaging internal parts 36 When use cut off wheel always work with the dust collecting wheel guard required by domestic regulation 37 Cutting discs must not be subjected to any lateral pressure SAVE THESE INSTRUCTIONS WARNING DO NOT let comfort or familiarity with product gained from repeated use replace strict adherence to safety rules for the subject product MISUSE or ...

Page 7: ... and unplugged before installing or removing the wheel Mount the inner flange onto the spindle THE SIDE WITH THE RUBBER SURFACE SHOULD CONTACT THE WHEEL for rubber molded inner flange only Fit the wheel on over the inner flange and screw the lock nut onto the spindle To tighten the lock nut press the shaft lock firmly so that the spindle cannot revolve then use the lock nut wrench and securely tig...

Page 8: ...nner flange varies by wheel thickness Refer to the table below Abrasive cut off wheel Diamond wheel Thickness Less than 4 mm 5 32 Thickness 4 mm 5 32 or more 16 mm 5 8 20 mm 13 16 22 23 mm 7 8 Abrasive cut off wheel Diamond wheel Thickness Less than 4 mm 5 32 Thickness 4 mm 5 32 or more Thickness Less than 4 mm 5 32 Thickness 4 mm 5 32 or more Thickness Less than 4 mm 5 32 Thickness 4 mm 5 32 or m...

Page 9: ...esult Replacement of carbon brushes 1 001145 Remove and check the carbon brushes regularly Replace when they wear down to the limit mark Keep the carbon brushes clean and free to slip in the holders Both carbon brushes should be replaced at the same time Use only identical carbon brushes Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secu...

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Page 12: ...12 Makita Corporation www makita com 884731B7 ...

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