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Ryobi RY253SS User Manual

Ryobi RY253SS
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10 — English
OPERATION
CUTTING TIPS
See Figures 10 - 12.
Avoid hot surfaces by always keeping the tool away from
your body. (Proper operating position shown in figure 10.)
Keep the trimmer tilted toward the area being cut; this is
the best cutting area.
The curved shaft trimmer cuts when passing the unit from
right to left. The straight shaft trimmer cuts when passing
the unit from left to right. This will avoid throwing debris at
the operator. Avoid cutting in the dangerous area shown
in illustration.
Use the tip of line to do the cutting; do not force string
head into uncut grass.
Wire and picket fences cause extra line wear, even
breakage. Stone and brick walls, curbs, and wood may
wear line rapidly.
Avoid trees and shrubs. Tree bark, wood moldings, siding,
and fence posts can easily be damaged by the line.
TO ADVANCE THE CUTTING LINE
(REEL-EASY STRING HEAD)
Line advance is controlled by tapping the string head on
grass while running engine at full throttle.
Run engine at full throttle.
Tap the knob on ground to advance line. The line advances
each time the knob is tapped. Do not hold the knob on
the ground.
NOTE: The line trimming cut-off blade on the grass deflector
will cut the line to the correct length.
NOTE: If the line is worn too short you may not be able to
advance the line by tapping it on the ground. If so, stop the
engine and manually advance the line.
To advance the cutting line manually:
Stop the engine and disconnect the spark plug wire.
Push the knob in while pulling on line(s) to manually
advance the line.
GRASS DEFLECTOR LINE TRIMMING CUT-OFF
BLADE
See Figure 13.
The trimmer is equipped with a line trimming cut-off blade on
the grass deflector. For best cutting, advance line until it is
trimmed to length by the cut-off blade. Advance the line when-
ever you hear the engine running faster than normal, or when
trimming efficiency diminishes. This will maintain best perfor-
mance and keep the line long enough to advance properly.

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Questions and Answers:

Ryobi RY253SS Specifications

General IconGeneral
Engine Displacement25 cc
Engine Type2-cycle
Line Diameter0.095 inches
Shaft TypeStraight
Starting SystemRecoil
Power SourceGasoline
Cutting Swath18 inches

Summary

Introduction

General Safety Rules

Specific Safety Rules

Symbols

Features

Product Specifications

Lists technical details like line cutting width, engine displacement, and line diameter.

Know Your Product

Emphasizes understanding the tool and manual for safe and effective operation.

Ergonomic Design

Highlights the trimmer's design for comfortable and easy handling.

Grass Deflector

Describes the included grass deflector for protection from flying debris.

Reel-Easy Tap Advance System

Explains the system for easy line advancement during operation.

Top-Mounted Engine

Notes the engine's placement for improved balance and debris avoidance.

Assembly

Unpacking

Instructions for carefully removing and checking items from the product box.

Packing List

Lists all components included in the trimmer's packaging.

Attaching the Storage Hanger

Details how to hang the trimmer attachment for storage using the hanger cap.

Attaching the Front Handle

Steps for mounting the front handle onto the drive shaft housing.

Attaching the Grass Deflector

Instructions for attaching the grass deflector to the trimmer.

Attaching the Curved Shaft Grass Deflector

Specific steps for attaching the deflector to curved shaft models.

Attaching the Straight Shaft Grass Deflector

Specific steps for attaching the deflector to straight shaft models.

Operation

Fuel Mixture

Explains the required gasoline and 2-cycle lubricant mix for the engine.

Filling Tank

Provides instructions on how to safely add fuel to the trimmer's tank.

Fueling and Refueling the Trimmer

Safety precautions and steps for fueling the trimmer, including handling gasoline.

Ethanol-Blended Fuels

Notice regarding the prohibition of E15/E85 fuel and recommendation for specific lubricants.

Starting and Stopping

Step-by-step guide on how to start and stop the trimmer engine.

Operating the Trimmer

Instructions on proper handling, grip, and positioning while using the trimmer.

Cutting Tips

Advice on optimal cutting techniques, including tool angle and avoiding obstacles.

To Advance the Cutting Line

Instructions for advancing the trimmer line using the Reel-Easy tap system or manually.

Grass Deflector Line Trimming Cut-Off Blade

Explains the function of the cut-off blade on the grass deflector for line length.

Maintenance

Spool Replacement Reel-Easy Tap Advance System

Detailed steps for replacing the spool and trimmer line in the Reel-Easy head.

Line Replacement

Instructions on how to insert and wind new trimmer line onto the spool.

Cleaning the Exhaust Port, Muffler, and Spark Arrestor

Procedures for cleaning engine components to maintain performance.

Idle Speed Adjustment

Guidance on adjusting the engine's idle speed for proper operation.

Cleaning the Air Filter

Steps for removing, cleaning, and reinstalling the air filter element.

Fuel Cap, Tank, and Lines

Information on inspecting and maintaining the fuel system components.

Spark Plug Replacement

Instructions for replacing the spark plug to ensure proper engine ignition.

Storing the Product

Recommendations for safely storing the trimmer when not in use for extended periods.

High Altitude Engine Operation

Information on reconfiguring the engine for optimal performance at altitudes above 2000 feet.

Troubleshooting

Warranty

Limited Warranty Statement

Outlines the terms, duration, and conditions of the product's limited warranty.

California Proposition 65

Parts and Service

Obtaining Replacement Parts

Details on how to find and purchase necessary replacement parts for the product.

Locating a Service Center

Information on how to find authorized service centers for repairs and assistance.

Customer or Technical Support

Contact information and methods for obtaining customer or technical assistance.

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