Maintenance and Repair Instructions

NOTE: Some maintenance procedures may require special tools or skills. If you are unsure about these procedures take your unit to an authorized service dealer.

MAINTENANCE SCHEDULE

These required maintenance procedures should be performed at the frequency stated in the table. They should also be included as part of any seasonal tune-up.

WARNING: To prevent serious personal injury, never do maintenance or repairs with unit running. Always do maintenance and repairs on a cool unit. Disconnect spark plug wire to ensure the unit will not start.

FREQUENCY	MAINTENANCE REQUIRED	REFER TO:

Before Starting Engine	Fill fuel tank with correct oil and fuel mixture.	Page 11

Every 10 Hours	Clean and re-oil air filter.	Page 20

Every 50 Hours	Check spark plug condition and gap.	Page 22

LINE INSTALLATION

Always use genuine Ryobi 0.080 inch (2.03 mm.) replacement line. Line other than specified may make the engine overheat or fail.

2.Remove the inner reel from the outer spool (Fig. 22).

3.Remove spring from the inner reel (Fig. 22).

NOTE: An inner reel spring, Part # 610317 can be purchased from your local authorized dealer.

WARNING: To prevent serious personal injury, never use metal-reinforced line, wire, or rope, etc.. These can break off and become a dangerous projectile.

There are two methods to replace the trimming line.

•Wind the inner reel with new line

•Install a prewound inner reel

NOTE: Replacement line Part # 610375, or a prewound reel, Part # 153577 can be purchased from your local authorized dealer.

Winding the Existing Inner Reel

1.Hold the outer spool with one hand and unscrew the Bump Knob™ counterclockwise (Fig. 21). Inspect the bolt inside the Bump Knob™ to make sure it moves freely. Replace the Bump Knob™ if damaged.

NOTE: A Bump Knob™, Part # 153066 can be purchased from your local authorized dealer.

Outer Spool

Shaft

Inner Reel

Spring

Fig. 22

4.Use a clean cloth to clean the inner reel, spring, shaft, and inner surface of the outer spool (Fig. 23).

Bump Knob™

Fig. 23

Fig. 21

770rEB specifications

The Ryobi 770rEB is a powerful and versatile brushcutter designed for both homeowners and professionals seeking an efficient tool to manage heavy vegetation and tough landscaping tasks. This model combines advanced technology with practicality to deliver impressive performance in various gardening applications.

At the heart of the Ryobi 770rEB is its robust 770W engine, which provides ample power for tackling dense undergrowth, thick grass, and challenging weeds. Its ergonomic design, coupled with a lightweight construction, ensures user comfort during extended periods of operation. The balance and handling of this brushcutter make it easy to maneuver, reducing fatigue and increasing productivity.

One of the standout features of the Ryobi 770rEB is its Easy Start technology. This innovation allows for a simplified starting process, so users can get to work without the frustration often associated with traditional pull-start engines. Additionally, the engine is designed with reduced vibrations, which minimizes strain on the operator’s hands and arms, enhancing overall comfort and control.

The cutting performance of the Ryobi 770rEB is further enhanced by its dual-line bump feed head, which allows for quick and easy line replacement. Users can effortlessly advance the cutting line simply by tapping the head on the ground, making it a user-friendly solution for maintaining a neat and tidy landscape. The 25.4cc 2-stroke engine offers high efficiency while keeping emissions low, adhering to environmental standards.

Moreover, the Ryobi 770rEB comes equipped with several cutting attachments, including blades for heavier brush and trees, providing adaptability for a variety of tasks. The inclusion of a shoulder harness enhances stability and adds comfort, allowing the user to distribute weight evenly during operation.

Building on durability, the Ryobi 770rEB features a sturdy construction that can withstand the trials of regular use. Its adaptable design ensures it meets the needs of various landscaping tasks, from trimming grass around flower beds to clearing overgrown areas.

In summary, the Ryobi 770rEB brushcutter stands out due to its powerful engine, ergonomic features, Easy Start technology, and versatility in handling different cutting tasks. Whether for home use or professional landscaping, it proves to be an essential tool for maintaining efficient and effective outdoor spaces.