Ryobi 780r manual Remove the Cutting Blade and Install the Cutting Attachment, Clockwise

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ASSEMBLY INSTRUCTIONS

REMOVE THE CUTTING BLADE AND INSTALL THE CUTTING ATTACHMENT

Remove the Cutting Blade

WARNING: To avoid serious personal injury, always wear gloves while handling or installing the blade.

1.Install the cutting blade cover. Pull the cover around the blade and click the plastic lock.

2.Align the shaft bushing hole with the locking rod slot and insert the locking rod into the bushing hole (Fig. 15).

Output Shaft

Output Shaft

Bushing

Locking Rod

Locking

Shaft Bushing

Rod Slot

Hole

Fig. 15

3.While holding the locking rod, loosen the nut on the blade by turning it clockwise with a 5/8 inch closed-end or socket wrench

(Fig. 16).

clockwise

4.Remove the nut, blade retainer, and blade. Store the nut and blade together for future use in a secure place. Store out of reach of children.

Install the Cutting Attachment

5.Align the shaft bushing hole with the locking rod slot and insert the locking rod into the shaft bushing hole. (Fig. 15). Place the blade retainer on the output shaft with the flat surface against the output shaft bushing as shown in Fig. 17. Screw the cutting attachment counterclockwise onto the output shaft. Tighten securely.

NOTE: The blade retainer must be installed on the output shaft in the position shown for the cutting attachment to work correctly.

Cutting Attachment

Blade Retainer

Output Shaft

Bushing

Locking Rod

Fig. 17

6.Remove the locking rod.

7.Install the cutting attachment shield. See

Removing and Installing Cutting Attachment Shield, Pg. 11.

WARNING: To avoid serious personal injury, the cutting attachment shield SHALL be in place at all times while operating the unit as a grass trimmer.

Fig. 16

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Contents OPERATOR’S Manual Table of Contents IntroductionCalifornia Emission Regulations Spark ArrestorSymbol Meaning Rules for Safe OperationWhile Operating While Operating with Cutting Blade For Service INFORMATION, Call Safety and International SymbolsSymbol Meaning Safety Alert Symbol Unleaded FuelBrushcutters Replace dull blade TRIMMER/BRUSHCUTTER SafetyHOT Surface Warning Choke ControlFuel Cap Know Your UnitApplications Starter RopeHandle Screws Top Clamp Middle Clamp Bottom Clamp Nuts Assembly InstructionsInstalling and Adjusting the J-HANDLE DecalInstalling the Harness Removing and Installing Cutting Attachment ShieldRemove the Cutting Attachment Install the Cutting BladeRemove the Cutting Attachment Shield Counterclockwise 1/2 turn CounterclockwiseRemove the Cutting Blade Remove the Cutting Blade and Install the Cutting AttachmentInstall the Cutting Attachment ClockwiseOIL and Fuel Information Using Blended FuelsUsing Fuel Additives OIL and Fuel Mixing InstructionsPartial Choke Position B Full Choke Run STARTING/STOPPING InstructionsOn/Off Stop Control Choke Lever Primer BulbOperating the CLICK-LINK Installing the Cutting Attachment or Add-OnsOperating Instructions System Model 790rHolding the Trimmer Adjusting Trimming Line Length Each time the head is bumped, about 1Cutting Blade Operating Tips Tips for Best Trimming Results Using the Cutting BladeDecorative Trimming Frequency Maintenance Required Refer to Maintenance and Repair InstructionsMaintenance Schedule Outer Spool Spring Inner Reel Bump Knob Line InstallationWinding the Existing Inner Reel Indexing TeethHolding Slots Removing the Air Filter/Muffler Cover Installing a Prewound ReelAIR Filter Maintenance Choke Lever Partial Choke Position B ScrewsAir Filter Cleaning the Air FilterReinstalling the Air Filter/Muffler Cover Adjust Idle Speed Screw Carburetor AdjustmentClean Air Filter Check Fuel Mixture110-120 in.lb .3-13.5 Nm ACCESSORIES/REPLACEMENT PartsReplacing the Spark Plug 020Storage Cleaning and StorageCleaning Long Term StorageTroubleshooting Problem Cause ActionDrive Shaft & Cutting Attachment SpecificationsEngine Page Owners Warranty Responsibilities Ryobi Outdoor Products Ryobi Canada INC

780r specifications

The Ryobi 780R is a powerful and reliable gas-powered string trimmer known for its exceptional performance and user-friendly features. Designed for both professionals and homeowners, this tool offers versatility and efficiency for tackling tough trimming jobs around the yard.

One of the standout features of the Ryobi 780R is its robust 30cc 2-cycle engine. This engine provides ample power to handle thick weeds and overgrown grass, ensuring a clean and precise cut with every pass. The lightweight design of the trimmer enhances maneuverability, making it easy to navigate around obstacles such as trees, flower beds, and garden furniture.

The trimmer is equipped with a premium 18-inch cutting swath, allowing for a wider range to be covered in a single pass. This feature can significantly reduce the time required to complete larger trimming tasks. Additionally, the variable speed throttle gives users the flexibility to adjust the cutting power based on the density of the vegetation, offering greater control.

One of the notable technologies in the Ryobi 780R is its Easy Start technology, which simplifies the starting process, reducing the effort required to get the engine running. This is particularly beneficial for users who may struggle with traditional pull-start mechanisms. The trimmer also features an automatic choke system, ensuring optimal engine performance in various conditions.

Another important characteristic is its dual-line feed system. The Ryobi 780R uses a bump head for easy line advancement; simply bump the head on the ground to extend the line as needed. This functionality minimizes downtime and allows users to focus on the task at hand. The dual-line setup also enhances cutting efficiency, making it a great choice for tougher vegetation.

In terms of comfort, the Ryobi 780R incorporates ergonomic handle designs that reduce user fatigue during extended use. The adjustable shaft allows for personalized length settings, catering to users of varying heights, further enhancing comfort and control. With built-in safety features such as a protective shield, users can operate the trimmer with peace of mind.

The Ryobi 780R is not just a powerful trimmer but also a thoughtfully designed tool that combines performance with user convenience. Whether you are maintaining a small garden or handling larger landscaping tasks, this trimmer offers the reliability and efficiency needed to achieve a well-kept lawn. Its blend of innovation and practical features makes it a favored choice among gardening enthusiasts and professionals alike.
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