Makita G12010R manual Checking Carbon Brush, － 29－

Page 40

CHECKING CARBON BRUSH

If the brush become excessively worn, its contact pressure with the slip ring changes and causes a roughened surface on the slip ring, resulting in irregular generator performance.

Check the brush every 500 hours or if generator performance is irregular.

If the brush is 0.2 in.(5 mm) long or less, replace it with a new one.

(a)Remove the brush cover.

(b)Disconnect the wire connector and remove the brush.

(c)Carefully note the brush direction and relative position with the slip ring when installing new brush.

BRUSH

HOLDER

15 to 5 mm

(0.6" to 0.2")

BRUSH

HOLDER

FLANGE BOLT

SCREW

BRUSH

COVER

－ 29－

Image 40

Contents Generator AIR Index Federal Emissions Component Defect Warranty Emission Component Defect Warranty PeriodObtaining Warranty Service What is not CoveredOwners Warranty Responsibilities HOW to Make a ClaimYour Warranty Rights and Obligations California Emission Control Warranty StatementManufacturers Warranty Coverage What is Covered Under this Warranty Warranty PeriodEMISSION-RELATED Parts Covered Under this Warranty What is not Covered Under this Warranty Maintenance ScheduleRepair and Replacement of EMISSION-RELATED Parts HOW to File a Warranty Claim Where to GET Warranty ServicesForeword ［CAUTION］Be sure to replenish with engine oil See page 6 for details Contents Safety Precautions － 1－－ 2－－ 3－ Specifications － 4－Components － 5－Check Engine OIL PRE-OPERATION Check－ 6－ Check Engine Fuel － 7－Battery Installation Recommended Battery－ 9－ Check Generator Surroundings Check Component Parts－ 10－ Operating Procedures Starting the EngineUsing Electric Power Switch－ 12－ Idle ControlAC Application － 13－－ 14－ Style Ampere Receptacle AC plug DescriptionGfci Receptacle － 15－－ 16－－ 17－－ 18－ Idle Control Switch － 19－Stopping the Generator － 20－Wattage Information － 21－Voltage Drop in Electric Extension Cords － 22－Spark Arrester Spark Arrester－ 23－ Maintenance Schedule Periodic MaintenanceDaily Inspection － 24－Periodic Maintenance Schedule table － 25－HOW-TO Maintenance Engine OIL Filter ReplacementEngine OIL Change － 26－Cleaning and Adjusting Spark Plug Servicing AIR Cleaner－ 27－ Fuel Hose Replacement Cleaning Fuel Strainer－ 28－ Checking Carbon Brush － 29－Preparation for Storage － 30－Troubleshooting － 31－Wiring Diagram － 32－Makita Corporation

G12010R specifications

The Makita G12010R is a powerful and versatile electric angle grinder that stands out in the crowded market of power tools. Engineered for both professionals and DIY enthusiasts, this model combines advanced technology with a user-friendly design, making it ideal for a wide range of applications, including metalworking, construction, and home improvement.

One of the hallmark features of the Makita G12010R is its robust 1200W motor. This high-performance motor provides the necessary power to handle tough materials with ease, enabling users to cut, grind, and polish various surfaces effectively. The motor's design also ensures a consistent output, minimizing power fluctuations that can affect the quality of work.

The G12010R is equipped with a 125mm grinding disc, which offers a perfect balance between speed and precision. The grinder operates at a no-load speed of 11,000 RPM, allowing for rapid material removal and exceptional finishing quality. This speed, combined with the right attachment, makes it suitable for tasks ranging from grinding welds to removing rust and paint.

Another significant feature of the Makita G12010R is its ergonomic design. The lightweight body and soft-grip handle increase comfort during extended use, reducing fatigue and improving control. Additionally, the side handle can be easily adjusted to provide a variety of grips, making it adaptable for different working conditions and preferences.

Safety is a priority with the G12010R, which incorporates several protective features. The tool is fitted with a protective guard that helps shield users from sparks, debris, and potential hazards during operation. The push-button switch is designed for easy access and provides a quick and secure way to turn the grinder on and off.

Durability is another strong point of the Makita G12010R. Constructed with high-quality materials, this grinder is built to withstand the rigors of frequent use. The sealed motor housing protects internal components from dust and debris, extending the tool's lifespan and ensuring reliable performance over time.

In summary, the Makita G12010R electric angle grinder is a powerful and reliable tool that offers a blend of performance, safety, and comfort. With its impressive motor, design versatility, and robust construction, it is an excellent choice for professionals and home users looking to tackle various grinding and cutting tasks efficiently. Whether for metal fabrication or renovation projects, the G12010R quickly earns its place as an essential tool in any workshop or job site.