GA900C - Meuleuse MAKITA - Free user manual and instructions

USER MANUAL GA900C MAKITA

ENGLISH Explanation of general view 1 2 3 4 5 6 7 8

9 Lock nut 10 Depressed center wheel/Multi disc 11 Inner flange 12 Lock nut wrench 13 Exhaust vent 14 Inhalation vent 15 Commutator

16 17 18 19 20 21 22 23

Insulating tip Carbon brush Screwdriver Brush holder cap Outer flange 78 Cut-off wheel Inner flange 78 Dust collecting wheel guard

SPECIFICATIONS Model GA7010C Depressed center wheel diameter 180 mm Spindle thread M14 No load speed (n0) / Rated speed (n) 8,400 min-1 Overall length 453 mm Net weight 4.3 kg Safety class /II • Due to our continuing program of research and development, the specifications herein are subject to change without notice. • Specifications may differ from country to country. • Weight according to EPTA-Procedure 01/2003 Intended use The tool is intended for grinding, sanding and cutting of metal and stone materials without the use of water. Power supply The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They are double-insulated in accordance with European Standard and can, therefore, also be used from sockets without earth wire.

Safety hints For your own safety, please refer to the enclosed safety instructions. GEB033-2

SPECIFIC SAFETY RULES DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to grinder safety rules. If you use this tool unsafely or incorrectly, you can suffer serious personal injury. 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, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury. 2. Operations such as polishing are not recommended to be performed with this power tool. Operations for which the power tool was not designed may create a hazard and cause personal injury. 3. Do not use accessories which are not specifically designed and recommended by the tool manufacturer. Just because the accessory can be attached to your power tool, it does not assure safe operation.

GA9010C 230 mm M14 6,000 min-1 453 mm 4.5 kg

/II The rated speed of the accessory must be at least equal to the maximum speed marked on the power tool. Accessories running faster than their rated speed can break and fly apart. The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized accessories cannot be adequately guarded or controlled. The arbour size of wheels, flanges, backing pads or any other accessory must properly fit the spindle of the power tool. Accessories with arbour holes that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively and may cause loss of control. Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheels for chips and cracks, backing pad for cracks, tear or excess wear, wire brush for loose or cracked wires. If power tool or accessory is dropped, inspect for damage or install an undamaged accessory. After inspecting and installing an accessory, position yourself and bystanders away from the plane of the rotating accessory and run the power tool at maximum no-load speed for one minute. Damaged accessories will normally break apart during this test time. Wear personal protective equipment. Depending on application, use face shield, safety goggles or safety glasses. As appropriate, wear dust mask, hearing protectors, gloves and workshop apron capable of stopping small abrasive or workpiece fragments. The eye protection must be capable of stopping flying debris generated by various operations. The dust mask or respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss. Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.

10. Hold power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring or its own cord. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool "live" and shock the operator. 11. Position the cord clear of the spinning accessory. If you lose control, 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, pulling the accessory into your body. 14. Regularly clean the power tool’s air vents. The motor’s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards. 15. Do not operate the power tool near flammable materials. Sparks could ignite these materials. 16. Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock. Kickback and Related Warnings: Kickback is a sudden reaction to a pinched or snagged rotating wheel, backing pad, brush or any other accessory. Pinching or snagging causes rapid stalling of the rotating accessory which in turn causes the uncontrolled power tool to be forced in the direction opposite of the accessory’s rotation at the point of the binding. For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out. The wheel may either jump toward or away from the operator, depending on direction of the wheel’s movement at the point of pinching. Abrasive wheels may also break under these conditions. Kickback is the result of power tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below. a) Maintain a firm grip on the power tool and position your body and arm to allow you to resist kickback forces. Always use auxiliary handle, if provided, for maximum control over kickback or 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. Accessory may kickback over your hand. c) Do not position your body in the area where power tool will move if kickback occurs. Kickback will propel the tool in direction opposite to the wheel’s movement at the point of snagging. d) Use special care when working corners, sharp edges etc. Avoid bouncing and snagging the accessory. Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and cause loss of control or kickback. e) Do not attach a saw chain woodcarving blade or toothed saw blade. Such blades create frequent kickback and loss of control.

Safety Warnings Specific for Grinding and Abrasive Cutting-Off Operations: a) 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 designed cannot be adequately guarded and are unsafe. b) The guard must be securely attached to the power tool and positioned for maximum safety, so the least amount of wheel is exposed towards the operator. The guard helps to protect operator from broken wheel fragments and accidental contact with wheel. c) Wheels must be used only for recommended applications. For example: do not grind with the side of cut-off wheel. Abrasive cut-off wheels are intended for peripheral grinding, side forces applied to these wheels may cause them to shatter. d) Always use undamaged wheel flanges that are of correct size and shape for your selected wheel. Proper wheel flanges support the wheel thus reducing the possibility of wheel breakage. Flanges for cutoff wheels may be different from grinding wheel flanges. e) Do not use worn down wheels from larger power tools. Wheel intended for larger power tool is not suitable for the higher speed of a smaller tool and may burst. Additional Safety Warnings Specific for Abrasive Cutting-Off Operations: a) Do not “jam” the cut-off wheel or apply excessive pressure. Do not attempt to make an excessive depth of cut. Overstressing the wheel increases the loading and susceptibility to twisting or binding of the wheel in the cut and the possibility of kickback or wheel breakage. b) Do not position your body in line with and behind the rotating wheel. When the wheel, at the point of operation, is moving away from your body, the possible kickback may propel the spinning wheel and the power tool directly at you. c) When wheel is binding or when interrupting a cut for any reason, switch off the power tool and hold the power tool motionless until the wheel comes to a complete stop. Never attempt to remove the cut-off wheel from 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 minimize the risk of wheel pinching and kickback. Large workpieces tend to sag under their own weight. Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both sides of the wheel. f) Use extra caution when making a “pocket cut” into existing walls or other blind areas. The protruding wheel may cut gas or water pipes, electrical wiring or objects that can cause kickback.

Safety Warnings Specific for Sanding Operations: a) Do not use excessively oversized sanding disc paper. Follow manufacturers recommendations, when selecting sanding paper. Larger sanding paper extending beyond the sanding pad presents a laceration hazard and may cause snagging, tearing of the disc or kickback. Safety Warnings Specific for Wire Brushing Operations: a) Be aware that wire bristles are thrown by the brush even during ordinary operation. Do not overstress the wires by applying excessive load to the brush. The wire bristles can easily penetrate light clothing and/or skin. b) If the use of a guard is recommended for wire brushing, do not allow interference of the wire wheel or brush with the guard. Wire wheel or brush may expand in diameter due to work load and centrifugal forces. Additional Safety Warnings: 17. When using depressed center grinding wheels, be sure to use only fiberglass-reinforced wheels. 18. Be careful not to damage the spindle, the flange (especially the installing surface) or the lock nut. Damage to these parts could result in wheel breakage. 19. Make sure the wheel is not contacting the workpiece before the switch is turned on. 20. Before using the tool on an actual workpiece, let it run for a while. Watch for vibration or wobbling that could indicate poor installation or a poorly balanced wheel. 21. Use the specified surface of the wheel to perform the grinding. 22. Watch out for flying sparks. Hold the tool so that sparks fly away from you and other persons or flammable materials. 23. Do not leave the tool running. Operate the tool only when hand-held. 24. Do not touch the workpiece immediately after operation; it may be extremely hot and could burn your skin. 25. Always be sure that the tool is switched off and unplugged or that the battery cartridge is removed before carrying out any work on the tool. 26. Observe the instructions of the manufacturer for correct mounting and use of wheels. Handle and store wheels with care. 27. Do not use separate reducing bushings or adaptors to adapt large hole abrasive wheels. 28. Use only flanges specified for this tool. 29. For tools intended to be fitted with threaded hole wheel, ensure that the thread in the wheel is long enough to accept the spindle length. 30. Check that the workpiece is properly supported. 31. Pay attention that the wheel continues to rotate after the tool is switched off. 32. If working place is extremely hot and humid, or badly polluted by conductive dust, use a shortcircuit breaker (30 mA) to assure operator safety.

33. Do not use the tool on any materials containing asbestos. 34. Do not use water or grinding lubricant. 35. Ensure that ventilation openings are kept clear when working in dusty conditions. If it should become necessary to clear dust, first disconnect the tool from the mains supply (use non 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: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury

FUNCTIONAL DESCRIPTION CAUTION: • Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool.

Shaft lock (Fig. 1) CAUTION: • Never actuate the shaft lock when the spindle is moving. The tool may be damaged. Press the shaft lock to prevent spindle rotation when installing or removing accessories.

Switch action (Fig. 2) CAUTION: • Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the “OFF” position when released. For tool with the lock-on switch To start the tool, simply pull the switch trigger. Release the switch trigger to stop. For continuous operation, pull the switch trigger and then push in the lock lever. To stop the tool from the locked position, pull the switch trigger fully, then release it. For tool with the lock-off switch To prevent the switch trigger from being accidentally pulled, a lock lever is provided. To start the tool, push in the lock lever and then pull the switch trigger. Release the switch trigger to stop. For tool with the lock on and lock-off switch To prevent the switch trigger from accidentally pulled, a lock lever is provided. To start the tool, push in the lock lever and then pull the switch trigger. Release the switch trigger to stop. For continuous operation, push in the lock lever, pull the switch trigger and then push the lock lever further in. To stop the tool from the locked position, pull the switch trigger fully, then release it.

Electronic function The tools equipped with electronic function are easy to operate because of the following features. Constant speed control Possible to get fine finish, because the rotating speed is kept constant even under loaded condition. Additionally, 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 levels, the tool will operate as normal. Soft start feature Soft start because of suppressed starting shock.

Super flange Models GA7010CF and GA9010CF are standardequipped with a super flange. Only 1/3 of efforts needed to undo lock nut, compared with conventional type. For Australia and New Zealand (Fig. 8) Mount the inner flange onto the spindle. Fit the wheel/ disc on the inner flange and screw the lock nut with its protrusion facing downward (facing toward the wheel). 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. (Fig. 9)

ASSEMBLY Installing or removing cut-off wheel (Fig. 10)

CAUTION: • Always be sure that the tool is switched off and unplugged before carrying out any work on the tool.

For Australia and New Zealand Mount the inner flange onto the spindle. Fit the cut-off wheel on over the inner flange.

Installing side grip (handle) (Fig. 3)

Mount the outer flange on the wheel and screw the lock nut with its protrusion facing downward (facing toward the wheel).

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 (accessory) (Fig. 4 & 5) CAUTION: • The wheel guard must be fitted on the tool so that the closed side of the guard always points toward the operator. Loosen the lever on the wheel guard. Mount the wheel guard with the protrusion on the wheel guard band aligned with the notch on the bearing box. Then rotate the wheel guard around to the position shown in the figure. Tighten the lever to fasten the wheel guard. If the lever is too tight or too loosen to fasten the wheel guard, loosen or tighten the screw to adjust the tightening of the wheel guard band. To remove wheel guard, follow the installation procedure in reverse.

Installing or removing wheel guard (accessory) (Fig. 6) CAUTION: • The wheel guard must be fitted on the tool so that the closed side of the guard always points toward the operator. Mount the wheel guard with the protrusion on the wheel guard band aligned with the notch on the bearing box. Then rotate the wheel guard around 180 degrees counterclockwise. Be sure to tighten the screw securely. To remove wheel guard, follow the installation procedure in reverse.

Installing or removing depressed center grinding wheel/Multi-disc (accessory) Mount the inner flange onto the spindle. Fit the wheel/ disc on the inner flange and screw the lock nut onto the spindle. (Fig. 7)

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. • ALWAYS replace wheel if tool is dropped while grinding. • NEVER bang or hit grinding disc or wheel onto work. • Avoid bouncing and snagging the wheel, especially when working corners, sharp edges etc. This can cause loss of control and kickback. • NEVER use tool with wood cutting blades and other sawblades. Such blades when used on a grinder frequently kick and cause loss of control leading to personal injury. CAUTION: • Never switch on the tool when it is in contact with the workpiece, it may cause an injury to operator. • Always wear safety goggles or a face shield during operation. • After operation, always switch off the tool and wait until the wheel has come to a complete stop before putting the tool down.

Grinding and sanding operation ALWAYS hold the tool firmly with one hand on rear handle and the other on the side handle. 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 degrees to the workpiece surface. During the break-in period with a new wheel, do not work the grinder in the B direction or it will cut into the workpiece. Once the edge of the wheel has been rounded off by use, the wheel may be worked in both A and B direction. (Fig. 11)

MAINTENANCE ACCESSORIES CAUTION: • Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance.

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.

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. (Fig. 12)

Replacing carbon brushes (Fig. 13 & 14) When the resin insulating tip inside the carbon brush is exposed to contact the commutator, it will automatically shut off the motor. When this occurs, both carbon brushes should be replaced. 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 secure the brush holder caps. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized Service Centers, always using Makita replacement parts.

If you need any assistance for more details regarding these accessories, ask your local Makita service center. • • • • • • • • • • • • • • •

Wheel guard (Wheel cover) Inner flange Depressed center wheels Lock nut (For depressed center wheel) Rubber pad Abrasive discs Lock nut (For abrasive disc) Lock nut wrench Cut-off wheels Inner flange (For cut-off wheel) Outer flange (For cut-off wheel) Wire cup brush Side grip Dust collecting wheel guard Dust cover attachment

ENGLISH DEUTSCH EC Declaration of Conformity

EG-Übereinstimmungserklärung

We Makita Corporation as the responsible manufacturer declare that the following Makita machine(s): Designation of Machine: Angle grinder Model No./ Type: GA7010C, GA9010C are of series production and Conforms to the following European Directives: 98/37/EC until 28th December 2009 and then with 2006/42/EC from 29th December 2009 And are manufactured in accordance with the following standards or standardised documents: EN60745 The technical documentation is kept by our authorized representative in Europe who is: Makita International Europe Ltd, Michigan, Drive, Tongwell, Milton Keynes, MK15 8JD, England

For European countries only Noise The typical A-weighted noise level determined according to EN60745: Sound pressure level (LpA): 90 dB (A) Sound power level (LWA): 101 dB (A) Uncertainty (K): 3 dB (A) Wear ear protection.

Vibration The vibration total value (tri-axial vector sum) determined according to EN60745: Work mode: surface grinding Vibration emission (ah, AG): 9.5 m/s2 Uncertainty (K): 1.5 m/s2 If the tool is used for other applications, the vibration values may be different.

For European countries only Noise The typical A-weighted noise level determined according to EN60745: Sound pressure level (LpA): 91 dB (A) Sound power level (LWA): 102 dB (A) Uncertainty (K): 3 dB (A) Wear ear protection.

Vibration The vibration total value (tri-axial vector sum) determined according to EN60745: Work mode: surface grinding Vibration emission (ah, AG): 6.0 m/s2 Uncertainty (K): 1.5 m/s2 If the tool is used for other applications, the vibration values may be different.