maintenance

Idle Speed Adjustment

See Figure 21.

If the chain turns at idle, the idle speed screw needs adjusting on the engine. Turn the idle speed screw counterclockwise to reduce the idle RPM and stop the chain movement. If the saw chain still moves at idle speed, contact a service dealer for adjustment and discontinue use until the repair is made.

WARNING:

The saw chain should never turn at idle. Turn the idle speed screw counterclockwise to reduce the idle RPM and stop the chain, or contact a service dealer for ad- justment and discontinue use until the repair is made. Serious personal injury may result from the saw chain turning at idle.

IDLE

SPEED SCREW

Fig. 21

automatic bar and chain lubrication

See Figure 22.

nUse Premium Bar and Chain Lubricant. It is designed for chains and chain oilers and is formulated to perform over a wide temperature range with no dilution required.

nRemove the cap and carefully pour approximately 8 oz. of bar and chain lubricant into the bar lube reservoir.

nReplace the cap and tighten securely.

nCheck and refill the bar lube reservoir every time the engine is fueled.

NOTE:  Do not use dirty, used or otherwise contaminated lubricant. Damage may occur to the oil pump, bar, or chain.

BAR LUBE

RESERVOIR

REPLACE

CAP

REMOVE

CAP

Fig. 22

Chain Maintenance

See Figure 23.

For smooth and fast cutting, the chain needs to be main- tained properly. The following conditions indicate that the chain requires sharpening: 

nWood chips are small and powdery

nChain must be forced through the wood during cutting

nChain cuts to one side

During maintenance of the chain, consider the following:

nImproper filing angle of the side plate can increase the risk of a severe kickback.

nDepth gauge (or raker clearance) setting determines the height the cutter enters the wood and the size of the wood chip that is removed. Too much clearance increases the potential for kickback. Too little clearance decreases the size of the wood chip thus decreasing the chain's cutting ability.

nIf cutter teeth have hit hard objects such as nails and stones, or have been abraded by mud or sand on the wood, have service dealer sharpen chain.

raker (depth gauge) clearance

.025 in.

(0.6 mm)

Fig. 23

16

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Ryobi RY52504, RY52905 Idle Speed Adjustment, Chain Maintenance, Idle Speed Screw, BAR Lube Reservoir Replace CAP Remove
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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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