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Summary of Contents for Makita GA7090N
- Page 1 INSTRUCTION MANUAL Angle Grinder GA7090 GA9090 DOUBLE INSULATION Read before use.
- Page 2 SPECIFICATIONS Model: GA7090 GA9090 Applicable grinding wheel Max. wheel diameter 180 mm 230 mm Max. wheel thickness 7.2 mm 6.5 mm Applicable cut-off wheel Max. wheel diameter 180 mm 230 mm Max. wheel thickness 4.0 mm 3.2 mm Applicable wire wheel brush Max.
- Page 3 Noise The typical A-weighted noise level determined according to EN62841-2-3: Model Sound pressure Sound power level Uncertainty (K) : level (L ) : (dB(A)) ) : (dB(A)) (dB(A)) GA7090 GA9090 NOTE: The declared noise emission value(s) has been measured in accordance with a standard test method and may be used for comparing one tool with another.
- Page 4 WARNING: The vibration emission during actual use of the power tool can differ from the declared value(s) depending on the ways in which the tool is used especially what kind of workpiece is processed. WARNING: Be sure to identify safety measures to protect the operator that are based on an estimation of exposure in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).
- Page 5 Always wear protective goggles to protect When using the tool, do not wear cloth work your eyes from injury when using power tools. gloves which may be entangled. The entangle- The goggles must comply with ANSI Z87.1 in ment of cloth work gloves in the moving parts may the USA, EN 166 in Europe, or AS/NZS 1336 result in personal injury.
- Page 6 Wear personal protective equipment. Maintain a firm grip with both hands on the Depending on application, use face shield, power tool and position your body and arms safety goggles or safety glasses. As appro- to allow you to resist kickback forces. Always priate, wear dust mask, hearing protectors, use auxiliary handle, if provided, for maxi- gloves and workshop apron capable of stop-...
- Page 7 Additional safety warnings specific for cutting-off Additional Safety Warnings: operations: When using depressed centre grinding wheels, Do not “jam” the cut-off wheel or apply exces- be sure to use only fiberglass-reinforced sive pressure. Do not attempt to make an wheels. excessive depth of cut.
- Page 8 23. If a blotter is attached to the wheel, do not Switch action remove it. The diameter of the blotter must be larger than the lock nut, outer flange, and inner flange. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates 24.
- Page 9 For tool with the lock-on and lock-off Installing or removing loop handle switch Optional accessory Country specific CAUTION: Always be sure the bolts on the CAUTION: Switch can be locked in "ON" posi- loop handle is securely tightened before use. tion for ease of operator comfort during extended CAUTION: Hold the gripping area of the loop...
- Page 10 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 bearing box. Then rotate the wheel guard to such an angle that it can protect the opera- tor according to work.
- Page 11 Mount the inner flange onto the spindle. Installing or removing flex wheel Make sure to fit the dented part of the inner flange onto the straight part at the bottom of the spindle. Optional accessory Fit the wheel/disc on the inner flange and screw the lock nut with its protrusion facing downward (facing towards WARNING: Always use supplied guard when...
- Page 12 Fig.16 thread cannot be retained by the spindle. ► 1. Arrow 2. Notch Mount inner flange, abrasive wheel and Ezynut onto the spindle so that Makita Logo on Ezynut faces outside. Fig.17 Fig.14 Installing abrasive cut-off / diamond ► 1. Ezynut 2. Abrasive wheel 3. Inner flange 4.
- Page 13 Mount the inner flange onto the spindle. Installing wire cup brush Fit the wheel / disc on the inner flange and screw the lock nut onto the spindle. Optional accessory CAUTION: Do not use wire cup brush that is damaged, or which is out of balance. Use of damaged wire cup brush could increase potential for injury from contact with broken brush wires.
- Page 14 Installing hole cutter Connecting a vacuum cleaner Optional accessory Optional accessory Place the tool upside down to allow easy access to the WARNING: Never vacuum metal particles spindle. created by grinding/cutting/sanding operation. Remove any accessories from the spindle. Fasten Metal particles created by such operation are so hot the hole cutter onto the spindle and tighten it with the that they ignite dust and the filter inside the vacuum wrench.
- Page 15 Operation with abrasive cut-off / CAUTION: Never switch on the tool when it diamond wheel is in contact with the workpiece, it may cause an injury to operator. Optional accessory CAUTION: Always wear safety goggles or a face shield during operation. WARNING: Do not "jam"...
- Page 16 To maintain product SAFETY and RELIABILITY, repairs, breakage. carbon brush inspection and replacement, any other maintenance or adjustment should be performed by Usage example: operation with wire wheel brush Makita Authorized or Factory Service Centers, always using Makita replacement parts. Fig.29 16 ENGLISH...
- Page 17 Use a screwdriver to remove the brush holder caps. Air vent cleaning Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. 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.
- Page 18 COMBINATION OF APPLICATIONS AND ACCESSORIES Optional accessory CAUTION: Using the tool with incorrect guards can cause risks as follows. When using a cut-off wheel guard for facial grinding, the wheel guard may interfere with the work- • piece causing poor control. When using a grinding wheel guard for cutting-off operations with bonded abrasive wheels and dia- •...
- Page 19 OPTIONAL ACCESSORIES CAUTION: These accessories or attachments are recommended 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.
- Page 20 Makita Europe N.V. Jan-Baptist Vinkstraat 2, 3070 Kortenberg, Belgium Makita Corporation 3-11-8, Sumiyoshi-cho, Anjo, Aichi 446-8502 Japan 885A64-225 20231215...
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