Ryobi RY30963, RY30542, RY30923, RY30943 Fueling and Refueling the Trimmer, Operating the Trimmer

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OPERATION

FUELING AND REFUELING THE TRIMMER

FUEL MIXTURE

This product is powered by a 2-cycle engine and requires pre-mixing gasoline and 2-cycle oil. Pre-mix unleaded gaso- line and 2-cycle engine oil in a clean 1 gallon container ap- proved for gasoline.

Recommended fuel: This engine is certified to operate on unleaded gasoline intended for automotive use.

Mix a high quality 2-cycle engine oil at 2.6 oz. per gallon (US).

Do not use automotive oil or 2-cycle outboard oil.

DO NOT mix quantities larger than usable in a 30 day period.

HIGH QUALITY 2-CYCLE ENGINE OIL

GASOLINE

OIL

 

 

1 gallon (US)

2.6 oz.

1 liter

20 cc (20 ml)

FILLING TANK

Clean surface around fuel cap to prevent contamination.

Loosen fuel cap slowly. Rest the cap on a clean surface.

Carefully pour fuel into the tank. Avoid spillage.

Prior to replacing the fuel cap, clean and inspect the gasket.

Immediately replace fuel cap and hand tighten. Wipe up any fuel spillage.

NOTE: It is normal for smoke to be emitted from a new engine after first use.

WARNING:

Always shut off engine before fueling. Never add fuel to a machine with a running or hot engine. Move at least 30 ft. from refueling site before starting engine. Do not smoke!

OPERATING THE TRIMMER

See Figure 15.

WARNING:

Always position the unit on the operator’s right side. The use of the unit on the operator’s left side will expose the user to hot surfaces and can result in possible burn injury.

WARNING:

To avoid burns from hot surfaces, never operate unit with the bottom of the engine above waist level.

Hold the trimmer with your right hand on the rear handle and your left hand on the front handle. Keep a firm grip with both hands while in operation. Trimmer should be held at a com- fortable position with the rear handle about hip height.

Always operate trimmer at full throttle. Cut tall grass from the top down. This will prevent grass from wrapping around the shaft housing and string head which could cause damage from overheating. If grass becomes wrapped around the string head, STOP THE ENGINE, disconnect the spark plug wire, and remove the grass. Prolonged cutting at partial throttle will result in oil dripping from the muffler.

PROPER

OPERATING

POSITION

Fig. 15

15

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesSpecific Safety Rules Specific Safety Rules for Trimmer USESpecific Safety Rules for BRUSH- Cutter and Blade USE Symbol Name Explanation SymbolsSymbol Signal Meaning ServiceCoupler FeaturesFeatures Assembly See Figure Installing the Power Head to the AttachmentRemoving the Attachment from the Power Head Attaching the Storage HangerFlat Washer Attaching the Front Handle CS30 and SS30Attaching the J Handle BC30 Front Handle Bolt Wing NUT ClampAttaching the Brushcutter Guard BC30 Attaching the Grass DeflectorTo Attach the Curved Shaft Grass Deflector CS30 To Attach the Straight Shaft Grass Deflector SS30Converting from String Trimmer to Brushcutter BC30 Attaching the Shoulder Harness BC30Converting from Brushcutter to String Trimmer BC30 Removing the TRI-ARCBLADE and Brushcutter GuardGear Head Flanged Washer Slot Installing the TRI-ARCBLADE and Brushcutter GuardOperation Removing the Straight Shaft Grass Deflector and String HeadOperating the Trimmer Fueling and Refueling the TrimmerGrass Deflector Line Trimming CUT-OFF Blade To Advance the Cutting LineTo Advance the Cutting Line Manually Cutting TipsCutting Technique Blade Operating the BrushcutterBlade Thrust TRI-ARCBLADETo Stop the Engine Starting and StoppingSee Figures 21 To Start a Cold EngineSee Figures 24 MaintenanceGeneral Maintenance Spool ReplacementSee Figures 26 String ReplacementCleaning the Exhaust Port and Muffler Spark ArrestorStoring the Product Replacing and Cleaning AIR FilterSpark Plug Replacement Fuel CAPTroubleshooting Speed. See FigureIdle Speed Screw This Product WAS Manufactured with a Catalyst Muffler WarrantyLimited Warranty Statement MANUFACTURER’S Warranty Coverage California Proposition Parts and Service

RY30963, RY30943, RY30923, RY30542 specifications

Ryobi has established a solid reputation in the outdoor power equipment sector, and its line of string trimmers includes models like the RY30542, RY30943, RY30923, and RY30963, each tailored to cater to varying consumer preferences and lawn care needs.

The RY30542 is a lightweight and compact model that excels in ease of use. Its 30cc engine provides ample power for quick trimming tasks while maintaining maneuverability. A standout feature is its Speed Spool 2.0 system, allowing users to reload the trimmer line easily without the need for tools. This model's design combines efficiency and effective cutting performance, making it a favorite among homeowners for maintaining smaller yards.

Next is the RY30943, which offers a robust 40cc engine. This model is designed for users who require increased power for larger areas or tougher terrain. The RY30943 is equipped with a heavy-duty gearbox that enhances durability and performance. The attachment capability is another highlight, allowing this trimmer to be converted into various tools such as edgers, blowers, and brush cutters. This versatility makes it an excellent choice for those seeking an all-in-one solution for lawn care.

The RY30923 takes the concept of efficiency a step further with its 25cc engine. Ideal for residential use, its lightweight and ergonomic design contributes to less fatigue during extended trimming sessions. The two-cycle engine technology ensures that the device delivers a consistent performance while being eco-friendly. This model is particularly popular among gardeners looking for an effective yet environmentally considerate option.

Lastly, the RY30963 stands out with its hybrid design, incorporating a powerful 30cc engine combined with advanced vibration reduction technology. This feature minimizes operator fatigue, allowing for longer use without discomfort. The RY30963 also boasts a bump feed head for easy line advancement, enhancing the overall user experience. Its design caters to both efficiency and user comfort, resulting in a well-rounded tool for trimming and edging.

In summary, the Ryobi RY30542, RY30943, RY30923, and RY30963 string trimmers each offer unique features and benefits tailored for different user needs. From lightweight models designed for easy handling to powerful, versatile options suitable for larger yards, Ryobi's string trimmers stand as reliable choices that exemplify quality and innovation in lawn care technology.
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