Refer to Figs to, Spiral bevel gear | Makita GA4030, GA5030, GA4530

Repair

P 5/ 13

[3] DISASSEMBLY/ASSEMBLY

[3] -1. Armature, Ball bearing 629DDW, Spiral bevel gear 10 (cont.)

ASSEMBLING

Refer to Figs. 11 to 15.

Fig. 11

Fig. 12

Retaining ring R-26

1R006

Ball bearing 629DDW

Gear housing

Assemble Ball bearing 629DDW to Gear housing. Then, mount Retaining ring R-26 to secure the Ball bearing.

Gear housing

protrusionnotch

Guide plate

Assemble Guide plate to Gear housing while fitting

the notch of Guide plate to the protrusion of Gear housing.

Fig. 13

Fig. 14

Gear housing

Guide plate

Armature

Spiral bevel gear 10

Insert Armature into Gear housing, and assemble Spiral bevel gear 10 to Armature in Gear housing.

M6 Hex nut

Tighten M6 Hex nut with a wrench by turning clockwise to secure the Spiral bevel gear 10 .

Fig. 15

	Pin cap (Spindle lock button) on	Armature
	Pin cap (Spindle lock button) on	Motor housing
	the opposite side of Switch knob	Motor housing

Switch knob

4x22 Tapping screw (4 pcs.)

Gear Housing

Facing Pin cap (Spindle lock button) to the opposite side of Switch knob, assemble Gear Housing to Motor housing.

Pin cap

Switch knob

Assemble bearing box section to Gear housing.

GA4030, GA4530, GA5030 specifications

Makita is renowned for its high-performance power tools, and the GA5030, GA4530, and GA4030 angle grinders are no exception. These models exemplify Makita's commitment to innovation, durability, and user-friendly design, making them ideal for both professional tradespeople and DIY enthusiasts.

The Makita GA5030 is a compact and versatile angle grinder equipped with a powerful 5-inch wheel. One of its standout features is its lightweight design, which minimizes fatigue during prolonged use. The GA5030 boasts an 8.5-amp motor capable of delivering up to 11,000 RPM, providing swift and efficient material removal. This model also integrates a labrynth construction that seals and protects the motor and bearings from dust and debris, enhancing the tool’s longevity. Additionally, its ergonomic rubberized grip ensures comfort and control, making it suitable for a variety of applications, from metalworking to masonry.

Moving onto the GA4530, this 4.5-inch angle grinder balances power and portability. Like the GA5030, it is powered by a robust 7.5-amp motor that generates a no-load speed of 10,000 RPM. Its compact design allows for easier handling in tight spaces, making it ideal for both home projects and professional jobs. An important feature of the GA4530 is the protective cover that can be adjusted without tools, allowing for quick changes based on the job at hand. Moreover, this model includes an automatic shut-off carbon brush system that extends the life of the motor, ensuring lasting performance.

Lastly, the GA4030 serves as an excellent choice for those seeking a smaller, yet powerful tool. This 4-inch angle grinder is equipped with a 6.0-amp motor capable of reaching speeds up to 10,000 RPM. The GA4030’s slim body design allows for easy handling, while its rubberized grip provides added comfort and reduces vibrations. This model also features a metal gear housing for increased durability, making it suitable for heavy-duty applications.

In summary, the Makita GA5030, GA4530, and GA4030 are outstanding angle grinders, each offering unique features and capabilities to cater to various needs. With their powerful motors, durable construction, and user-friendly designs, these tools reflect Makita’s high standards in professional-grade equipment. Whether you are a seasoned professional or a weekend DIYer, these grinders will undoubtedly enhance your workflow and deliver exceptional results.