Ryobi RY34426 User Manual

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OPERATOR’S MANUAL

MANUEL D’UTILISATION

MANUAL DEL OPERADOR

30CC 4-CYCLE

STRING TRIMMERS

TAILLE-BORDURES

À LIGNE 4 TEMPS DE 30 CC

RECORTADORAS DE HILO

DE CUATRO TIMPOS 30 CC

CS — RY34421

SS — RY34441

ALL VERSIONS

TOUTES LES VERSIONS

TODAS LAS VERSIONES

C430

RY34421

S430

RY34441

Le taille-bordures à ligne a été conçue et fabriquée conformément

à nos strictes normes de fiabilité, simplicité d’emploi et sécurité

d’utilisation. Correctement entretenue, elle vous donnera des

années de fonctionnement robuste et sans problème.

AVERTISSEMENT : Pour réduire les risques de

blessures, l’utilisateur doit lire et veiller à bien comprendre le

manuel d’utilisation avant d’employer ce produit.

Merci de votre achat.

Su recortadoras de hilo ha sido diseñada y fabricada de conformidad

con las estrictas normas para brindar fiabilidad, facilidad de uso

y seguridad para el operador. Con el debido cuidado, le brindará

muchos años de sólido y eficiente funcionamiento.

ADVERTENCIA: Para reducir el riesgo de lesiones,

el usuario debe leer y comprender el manual del operador antes

de usar este producto.

Le agradecemos su compra.

CONSERVER CE MANUEL POUR

FUTURE RÉFÉRENCE

GUARDE ESTE MANUAL PARA

FUTURAS CONSULTAS

SAVE THIS MANUAL FOR FUTURE REFERENCE

Your trimmer has been engineered and manufactured to our high standard for dependability, ease of operation, and opera-

tor safety. When properly cared for, it will give you years of rugged, trouble-free performance.

WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using

this product.

Thank you for your purchase.

Other manuals for Ryobi RY34426

Replacement Parts List12 pages

Repair Sheet6 pages

Starting Instructions2 pages

Engine Starting2 pages

Questions and Answers:

C
Christopher JohnsonAug 12, 2025
How to fix Ryobi RY34426 Trimmer when engine will not start?
- E
  eugene79Aug 13, 2025
  If your Ryobi Trimmer's engine won't start, it could be due to several reasons: no spark, no fuel, or a flooded engine. Try these steps: Clean or replace the spark plug and reset the spark plug gap. Push the primer bulb until it's full of fuel. If it doesn't fill, the primary fuel delivery system might be blocked, and you should contact a service dealer. If the primer bulb does fill, the engine might be flooded. Set the start lever to the START position, squeeze the trigger, and pull the rope repeatedly until the engine starts. Note that if the engine is severely flooded, it might require numerous pulls.
M
Michael AdkinsAug 16, 2025
What to do if the line will not advance on my Ryobi RY34426?
- R
  Rachel CollinsAug 17, 2025
  If the line on your Ryobi Trimmer won't advance, here are some possible causes and solutions: * The line is welded to itself: Replace the line. * There's not enough line on the spool: Install more line. * The line is worn too short: Pull the lines while alternately pressing down on and releasing the spool retainer. * The line is tangled on the spool: Remove the line from the spool and rewind it. * The engine speed is too slow: Advance the line at full throttle.
G
gary78Aug 20, 2025
Why does my Ryobi RY34426 engine not reach full speed and emits excessive smoke?
- W
  wwebbAug 20, 2025
  If your Ryobi Trimmer engine doesn't reach full speed and emits excessive smoke, the causes might be a dirty air filter screen, a dirty spark arrestor screen, or a fouled spark plug. To resolve this, clean the air filter screen. Contact a servicing dealer regarding the spark arrestor screen. Also, clean or replace the spark plug and reset the spark plug gap.
M
Mrs. Stephanie Smith MDAug 25, 2025
Why is my Ryobi Trimmer emitting too much smoke?
- X
  xfoxAug 25, 2025
  If your Ryobi Trimmer is emitting too much smoke, it's likely due to too much oil in the crankcase. To fix this, drain the lubricant and refill it with the correct amount of 10W-30 engine lubricant.
J
Jasmine StewartAug 27, 2025
Why engine rope cannot be pulled on my Ryobi RY34426 Trimmer?
- J
  Jesse CraneAug 27, 2025
  If the engine rope on your Ryobi Trimmer cannot be pulled, it's likely because oil has entered the combustion chamber. This often happens when the unit is stored upside down for a long time. To fix this, remove and clean the spark plug, drain the oil out of the spark plug hole, and then reinstall the spark plug. Before starting, check the engine lubricant and add more if needed.
E
Erica HarrellAug 31, 2025
What to do if Ryobi RY34426 Trimmer engine starts, runs, and accelerates but will not idle?
- S
  Sydney RogersAug 31, 2025
  If your Ryobi Trimmer engine starts, runs, and accelerates but will not idle, the idle speed screw on the carburetor likely needs adjustment. Turn the idle speed screw clockwise to increase the idle speed.
A
Andrew StewartSep 4, 2025
How to prevent grass from wrapping around the driveshaft housing and string head of my Ryobi RY34426 Trimmer?
- A
  Angelica MyersSep 4, 2025
  To prevent grass from wrapping around the driveshaft housing and string head of your Ryobi Trimmer, avoid cutting tall grass at ground level and ensure you operate the trimmer at full throttle. Cut tall grass from the top down to prevent wrapping.
G
Greg MillerSep 7, 2025
Why is the spool retainer hard to turn on my Ryobi Trimmer?
- A
  Austin TrujilloSep 8, 2025
  If the spool retainer on your Ryobi Trimmer is hard to turn, the screw threads might be dirty or damaged. Try cleaning the threads and lubricating them with grease. If this doesn't improve the situation, replace the spool retainer.

Ryobi RY34426 Specifications

General

Type	String Trimmer
Motor	Electric
Starting System	Electric Start
Power Source	Battery
Voltage	40V
Line Diameter	0.080 inches
Battery Included	Yes
Charger Included	Yes

Summary

General Safety Rules

Read All Instructions

Instructions for safe operation and understanding the manual before use.

Specific Safety Rules

Specific Safety Rules for Trimmer Use

Safety guidelines specific to operating string trimmers.

Assembly

Unpacking

Instructions for unpacking the product and checking contents.

Installing the Power Head to the Attachment

Step-by-step guide for connecting the power head to the trimmer attachment.

Removing the Attachment from the Power Head

Procedure for detaching the trimmer attachment from the power head.

Attaching the Front Handle

Attaching the Grass Deflector

Operation

Fueling and Refueling the Trimmer

Procedures for safely adding fuel to the trimmer.

Oxygenated Fuels

Adding/Checking Engine Lubricant

Guide for adding and checking the engine oil level.

Operating the Trimmer

Proper techniques and safety precautions for operating the string trimmer.

Advancing the Cutting Line

Cutting Tips

Starting and Stopping the Engine

Procedures for starting and stopping the trimmer engine.

Maintenance

Spool Replacement (Reel-Easy)

Steps for replacing the spool on the Reel-Easy™ system.

Line Replacement

Instructions for replacing the trimmer line.

Dual Spool™ Insert Installation

Dual Spool™ Line Installation

Idle Speed Adjustment

Air Filter Screen Cleaning

Changing Engine Lubricant

Steps for changing the engine lubricant after specified hours.

Camshaft-to-Rocker Arm Clearance Adjustment

Troubleshooting

Problem and Solution Guide

Guide to diagnose and resolve common problems with the trimmer.

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