Ryobi RY52905 manual Maintenance, Replacing the bar and chain, See Figures 15, Chain BAR BAR NUT

Page 15

maintenance

replacing the bar and chain

See Figures 15 - 20.

WARNING:

To avoid possible serious injury, stop engine before re- placing the bar, chain, or performing any maintenance operation.

nRemove the bar nut and drivecase cover.

nThe bar contains a bar stud slot that fits over the bar stud. The bar also contains a chain tensioning pin hole which fits over the chain tensioning pin.

nPlace the bar onto the bar stud so that the chain tension- ing pin fits into the chain tensioning pin hole.

nFit the chain over the sprocket and into the bar groove. The cutters on the top of the bar should face toward the bar tip, in the direction of the chain rotation.

nReplace the drivecase cover and install the bar nut. Tighten the bar nut finger tight only. The bar must be free to move for tension adjustment.

CHAIN

BAR

BAR NUT

DRIVECASE

 

 

 

COVER

Fig. 15

DRIVECASE

COVER

CHAIN

TENSIONING PIN

BAR NUT

Fig. 16

BAR STUD

BAR

BAR STUD SLOT

SPROCKET

CHAIN TENSIONING

 

PIN HOLE

Fig. 17

nRemove all slack from chain by turning the chain tension- ing screw clockwise, assuring that the chain seats into the bar groove during tensioning.

nLift the tip of the bar up to check for sag. Release the tip of the bar, and turn the chain tensioning screw 1/2 turn clockwise. Repeat this process until sag does not exist.

nHold the tip of the bar up and tighten the bar nut securely.

nChain is correctly tensioned when there is no slack on the underside of the bar, the chain is snug, but it can be turned by hand without binding.

NOTE: If chain is too tight, it will not rotate. Loosen the bar nut slightly and turn adjusting screw 1/4 turn counter- clockwise. Lift the tip of the bar up and retighten bar nut.

 

CHAIN

 

CHAIN

ROTATION

SPROCKET

 

BAR NUT

Fig. 18

CHAIN

TENSIONING SCREW

Fig. 19

BAR NUT

Fig. 20

15

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction Table of ContentsRead ALL Instructions General Safety RulesRefueling Specific Safety RulesSymbol Name DESIGNATION/EXPLANATION SymbolsService Product Specifications FeaturesPacking List AssemblyInstalling the shoulder strap and hanger UnpackingAutomatic bar and chain lubrication Fueling and Refueling the prunerPremium Exact MIX Filling Tank Oxygenated FuelsLoad OperationApplications Preparation for CuttingMaximum Limbing and PruningCutting Guide See Figures 7See Figures 10 OperationPosition for Starting Starting and StoppingSee Figures 13 MaintenanceGeneral Maintenance Chain TensionChain BAR BAR NUT MaintenanceReplacing the bar and chain See Figures 15BAR Lube Reservoir Replace CAP Remove Idle Speed AdjustmentChain Maintenance Idle Speed ScrewSee Figures 24 How to Sharpen the CuttersCleaning the Exhaust Port and Muffler Spark ArrestorSTORing the product Cleaning AIR Filter screenSpark Plug replacement Fuel CAPProblem Possible Cause Remedy TroubleshootingLimited Warranty Statement WarrantyMANUFACTURER’S Warranty Coverage Fuel Tank Assy Emissions Maintenance Schedule and Warranted Parts ListThis product was manufactured with a catalyst muffler AIR Filter AssyPage California Proposition Parts and Service

RY52504, RY52905 specifications

The Ryobi RY52905 and RY52504 are two powerful electric pressure washers designed to meet the demands of various cleaning tasks around the home, yard, and driveway. These models are engineered for maximum efficiency and effectiveness, making them ideal for homeowners seeking reliable and user-friendly cleaning solutions.

The Ryobi RY52905 boasts a robust 2300 PSI (pounds per square inch) and 1.2 GPM (gallons per minute) water flow rate, ensuring it can tackle tougher stains and grime with ease. This model is equipped with a high-performance brushless motor that not only delivers superior power but also enhances durability and longevity. One of the standout features of the RY52905 is its adjustable pressure settings, allowing users to customize the pressure output based on the surface being cleaned. This versatility makes it suitable for everything from delicate surfaces like cars and bikes to tougher surfaces like patios and driveways.

The RY52504, while slightly less powerful with a rating of 2000 PSI and 1.2 GPM, still offers exceptional cleaning capabilities suitable for everyday tasks. Its compact design makes it easy to maneuver, and it comes with a 25-foot high-pressure hose, providing ample reach for most cleaning projects. The RY52504 features a series of quick-connect nozzle tips, enabling users to switch between different spray patterns for more effective cleaning tailored to specific needs.

Both pressure washers benefit from Ryobi’s innovative design elements, including a built-in detergent tank that allows for easy application of soap during cleaning. This feature enhances cleaning efficiency, especially when tackling tough stains like oil or grease. Additionally, the lightweight and portable design of both models makes them easy to transport and store when not in use.

Safety is a priority with these models, which come equipped with thermal relief valves to prevent overheating and integrated GFCI for electrical safety. They also feature non-marking wheels for easy movement and prevent damage to surfaces while working.

In summary, the Ryobi RY52905 and RY52504 electric pressure washers are excellent choices for homeowners looking for powerful, versatile, and safe cleaning solutions. With thoughtful features, advanced technologies, and varying power levels, these machines can address a wide range of cleaning tasks around the home, providing effective results with ease and convenience.
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