Ryobi 990r manual Operating Split Boom Coupler, Removing the Lower Attachment Boom

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ASSEMBLY INSTRUCTIONS (Continued)

OPERATING THE

SPLIT BOOM® COUPLER

Model 990r is equipped with a Split Boom® coupler, which enables optional attachments to be installed on this unit.

The optional attachments are:

 

Sweeper/Blower

SB720r

Vacuum

LV720r

Edger

LE720r

Cultivator

GC720r

Straight Shaft Trimmer

SS720r

Curved Shaft Trimmer

CS720r

Tree Pruner

TP720r

Removing the Lower (Attachment) Boom

NOTE: To make removing the boom easier, place the unit on the ground or on a table.

1.Loosen the wing screws (Fig. 11).

2.Push the release button (Fig. 11).

3.Pull the lower boom straight out of the coupler (Fig. 12).

Thumb Screw

Release Button

Coupler

Thumb Screw

Fig. 11

Installing the Lower (Attachment) Boom

1.Loosen the wing screws. This will allow the lower boom to be inserted into the coupler (Fig. 12).

2.Remove the protective cover or hanger from the lower (attachment) boom. Push the lower (attachment) boom into the coupler (Fig. 13).

3.Before locking the release button into the coupler, rotate the boom 90 degrees; then rotate the lower boom back 90 degrees. This will ensure the drive shafts in both the upper and lower booms are engaged.

3.Locate and lock the release button into the hole in coupler (Fig. 11).

4.Check the sight hole to make sure both ends of the boom are together (Fig. 13). Tighten the wing screws before using the unit.

 

Lower Boom

Thumb Screws (2)

 

Coupler

 

Upper

Release

Boom

Button

Fig. 12

Thumb

Sight Hole

Screws (2)

Coupler

Fig. 13

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Contents 990r Introduction Table of Contents California Emission Regulations Safety WarningsFuel and PRE-OPERATIONAL Saftey Warnings for Brush Blade During USE Other Safety WarningsOperational After USESafety and International Symbols SymbolBrushcutter Safety Adjusting the J-HANDLE Assembly InstructionsInstalling the Shoulder Strap Installing the Brush Blade Blade Locating Installing the Line SpoolMark Operating Split Boom Coupler Installing the Lower Attachment BoomRemoving the Lower Attachment Boom Adding OIL to Crankcase Initial USE OIL & Fuel InformationRecommended OIL Type Checking the OILDefinition of Blended Fuels Changing the OILRecommended Fuel Type USE of Blended FuelsPosition STARTING/STOPPING InstructionsThrottle Trigger RopeOperating Instructions Adjusting the Trimming Line LengthUsing the Brush Blade Decorative TrimmingMaintenance and Repair Instructions Maintenance Schedule Frequency Maintenance Required Refer toRemoving the Existing Reel Rewinding the Existing ReelCorrect Line to Use Bump Knob Inner ReelInstalling a Prewound Reel Reinstalling the ReelWinding the Existing Reel Gear Housing Service Fill PlugAir Filter AIR Filter MaintenanceScrew Screws Choke LeverAir Filter Maintenance Carburetor AdjustmentAdjusting the Carburetor Final High Speed Mixture Needle AdjustmentLean Adjust to Midpoint Rich INSPECTING/CLEANING the MufflerRemoving Muffler Checking Spark Arrester Screen Inspection and CleaningMuffler Reassembly Torque the screw to 15-20 inlb 1.7-2.2 NmReplacing the Spark Plug Checking / Adjusting Valve to Rocker ARM ClearanceScrew Screws Adjusting Nuts Rocker Arm Valve Flat Feeler GaugeCold Torque Specifications Cleaning and StorageSpecifications EngineTroubleshooting Problem Cause ActionCalifornia Emission Control Warranty Statement Your Warranty Rights and ObligationsLimited Two-Year Warranty

990r specifications

The Ryobi 990R is a powerful and versatile cordless tool that has gained popularity among both DIY enthusiasts and professional users alike. Designed to offer convenience and efficiency, this innovative unit is equipped with a range of features that cater to different applications.

One of the standout characteristics of the Ryobi 990R is its powerful motor. With a robust design, it delivers ample torque and speed, enabling users to tackle a variety of tasks, from cutting through tough materials to drilling precise holes. The motor is powered by a high-capacity lithium-ion battery, which is known for its longevity and quick recharge time. This ensures that users can work longer without frequent interruptions, making the 990R an ideal choice for demanding projects.

Another notable feature of the Ryobi 990R is its ergonomic design. Lightweight and easy to maneuver, the unit minimizes user fatigue, especially during extended use. The integrated rubber grip offers enhanced comfort and control, allowing for greater precision when working on intricate tasks. This commitment to user comfort makes it suitable for both novice and experienced users.

The 990R also incorporates advanced technology that enhances its performance. The unit features variable speed settings, allowing users to adjust the tool’s speed according to the task at hand, whether it’s a delicate job or a high-powered application. Additionally, the tool is equipped with a built-in LED light that illuminates the work area, ensuring visibility in dimly lit spaces and improving overall accuracy.

For added versatility, the Ryobi 990R is compatible with a wide range of attachments and accessories. This allows users to customize the tool according to their specific needs, whether they require a drill, sander, or impact driver. The quick-change chuck system further enhances efficiency, enabling users to switch between accessories in seconds.

Durability is another defining characteristic of the Ryobi 990R. Constructed with high-grade materials, it is designed to withstand demanding working conditions without compromising performance. This resilience is crucial for professionals who rely on their tools for everyday use.

In summary, the Ryobi 990R stands out in the crowded tool market due to its powerful motor, ergonomic design, advanced technologies, and durability. Whether for home improvement projects or professional applications, it offers reliability and performance that users can trust. As Ryobi continues to innovate, the 990R remains a solid choice for anyone looking to enhance their toolkit.
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