SPECIFICATIONS Model GA4040C GA4041C GA4540C GA4541C GA5040C GA5041C GA6040C Wheel diameter 100 mm (4") 115 mm (4-1/2") 125 mm (5") 150 mm (6") Max. wheel thickness 6.4 mm 7.2 mm 6.4 mm Spindle thread M14 or 5/8" (country specific) Rated speed (n) / No load speed (n...
12. Use personal protective equipment. Always Grinder safety warnings wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or Safety Warnings Common for Grinding, Sanding, hearing protection used for appropriate conditions Wire Brushing, or Abrasive Cutting-Off Operations: will reduce personal injuries.
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Position the cord clear of the spinning acces- The grinding surface of centre depressed wheels sory. If you lose control, the cord may be cut or must be mounted below the plane of the guard lip. snagged and your hand or arm may be pulled into An improperly mounted wheel that projects through the the spinning accessory.
Safety Warnings Specific for Wire Brushing Operations: WARNING: DO NOT let comfort or familiarity Be aware that wire bristles are thrown by the with product (gained from repeated use) replace brush even during ordinary operation. Do not strict adherence to safety rules for the subject overstress the wires by applying excessive product.
1. Refer to the below table for the relationship between the number settings on the dial and the approximate rotating speed. For Model GA4040C, GA4540C, GA5040C, GA4041C, GA4541C, GA5041C Number (R.P.M.)
Overload protector For tool with locking screw type wheel guard When the load on the tool exceeds admissible levels, power to the motor is reduced to protect the motor from overheating. When the load returns to admissible lev- els, the tool will operate as normal. Mechanical brake For Model GA4041C, GA4541C, GA5041C Mechanical brake is activated after the tool is switched...
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4. Spindle Mount inner flange, abrasive wheel and Ezynut onto the spindle so that Makita Logo on Ezynut faces outside. ► 1. Lock nut wrench 2. Shaft lock To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut ►...
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Follow instructions for depressed center wheel but also use plastic pad over wheel. See order of assembly on accessories page in this manual. Installing or removing abrasive disc (optional accessory) NOTE: • Use sander accessories specified in this man- ual. These must be purchased separately. ►...
Set the dust cover attachment so that the marking (A, B, Operation with abrasive cut-off / C or D) places as shown. Snap its pins in the vents. diamond wheel (optional accessory) Dust cover attachment can be removed by hand. NOTE: •...
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100 mm (4") model 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 16 mm (5/8") 16 mm (5/8") 20 mm (13/16") 20 mm (13/16") Lock nut Abrasive cut-off wheel...
CAUTION: • These accessories or attachments are recom- mended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose.
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100 mm (4") model 115 mm (4-1/2") model 125 mm (5") model 150 mm (6") model Grip 36 Wheel Guard (for grinding wheel) Inner flange Inner flange Inner flange Inner flange Super flange *1 Super flange *1 Super flange *1 Depressed center wheel/Flap disc Lock nut Lock nut...