MasterForce 241-0779 Operator'S Manual Download Page 9

page 9

1.    Unplug the angle grinder.
2.    Make sure that the guard (4) is securely 

in place.

3.    

Place the inner flange (5) on the 

spindle (3); make sure that the flange 

is positioned so that the shape of the 

opening in the flange corresponds with 

the shape at the base of the spindle.

4.    Place the grinding wheel (6) on the 

spindle. Check the rated speed on the 

grinding wheel. DO NOT use a wheel 

with a rated speed lower than the speed 

shown on the grinder nameplate.

NOTE: 

The maximum wheel thickness is 

6.5mm, and the center hole dimension must 

be 22.3mm. 

OPERATION

SWITCH ON AND OFF

     WARNING:  

Make sure you 

can operate the switch easily and turn it 

off before plugging grinder into a power 

source.

1.    To turn the tool “ON,” slide the ON/OFF 

switch forward.

2.    To turn the tool “OFF,” release the ON/

OFF switch; it will return to the “OFF” 

position automatically.

3.    For continuous operation, slide the ON/

OFF switch forward to turn on the tool 

and press the front of the ON/OFF switch 

down until the switch locks in position.

4.    To unlock the switch and turn the tool 

OFF, press the rear of the ON/OFF 

switch; it will return to the “OFF” position 

automatically.

ROTATE THE GEAR BOX (Fig. 5)

5.    

Thread the outer flange on the spindle 

with the flat side of the flange facing 

up, making sure that the opening in the 

wheel is positioned around the raised 

portion of the outer flange.

6.    Press the spindle lock button (1) to 

prevent movement of the spindle.

7.    Keep the spindle lock button pressed in; 

tighten the threaded outer flange (7) by 

turning it clockwise with the wrench (8).

8.    Remove the wrench and loosen the 

spindle lock button.

For applications in which a tool will be 

dedicated for uses in edge grinding and 

finishing work, the gear case may be rotated 

90° left or right of its original position.
1.    Unplug the grinder.
2.    Remove the four corner screws 

connecting gear box and motor housing.

3.    Without separating the gear case and 

motor housing, turn the gear box 90° to 

the left or right.

NOTE: 

If the distance between gear box 

and motor housing is more than 1/8”, have it 

repaired by qualified service center.

4.    Re-install the four corner screws.

FIG. 5

Summary of Contents for 241-0779

Page 1: ...7 5A Angle Grinder 241 0779 OPERATOR S MANUAL CAUTION To Reduce The Risk Of Injury User Must Read And Understand Operator s Manual Save These Instructions For Future Reference...

Page 2: ...serious injury Save all warnings and instructions for future reference The term power tool in the warnings refers to your AC powered corded power tool or battery powered cordless power tool Direct Cu...

Page 3: ...ontrol of the power tool in unexpected situations f Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair ca...

Page 4: ...d accessory Before each use inspect the accessory such as abrasive wheels for chips and cracks backing pad for cracks tear or excess wear If the power tool or accessory is dropped inspect for damage o...

Page 5: ...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 The accessory may kickb...

Page 6: ...when grinding A guard protects operator from broken wheel fragments When using grinding wheel attachments the guard must always be attached to the tool and positioned for maximum safety so the least a...

Page 7: ...le grinder to cause carelessness Remember that a careless fraction of a second is sufficient enough to inflict severe injury WARNING Remove the angle grinder from the carton and examine it carefully D...

Page 8: ...ing the guard 1 Unplug the angle grinder 2 Pivot the guard lock lever to loosen the guard from the gear case cover 3 Rotate the guard counter clockwise to the correct position 4 Pivot the guard lock l...

Page 9: ...tch down until the switch locks in position 4 To unlock the switch and turn the tool OFF press the rear of the ON OFF switch it will return to the OFF position automatically ROTATE THE GEAR BOX Fig 5...

Page 10: ...generated when grinding metal Take care that no combustible material presented in the area of flying sparks FIG 6 APPLICATION MAINTENANCE WARNING When servicing use only identical replacement parts U...

Page 11: ...damage to the motor Brush replacement should be performed by authorized service centers or other qualified service technician STORAGE AND HANDLING OF GRINDING WHEELS When not in use grinding wheels sh...

Page 12: ...page 12 NOTES...

Page 13: ...page 13 NOTES...

Page 14: ...page 14 NOTES...

Page 15: ...use of the Merchandise This warranty 1 excludes expendable parts including but not limited to blades brushes belts bits light bulbs and or batteries 2 shall be void if this tool is used for commercial...

Page 16: ...2011 Menard Inc Eau Claire WI 54703 05 2011...

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