MAINTENANCE

CLEANING THE AIR FILTER SCREEN

See Figure 15 - 16.

For proper performance and long life, keep the air filter screen clean.

Remove the hex nut, wavy washer, flat washer, and choke dial cover.

Brush the air filter screen lightly to clean.

Reinstall the choke dial cover, flat washer, wavy washer, and hex nut.

SPARK ARRESTOR

The muffler is equipped with a spark arrestor screen inside muffler body. After extended use the screen can become dirty, and you may need to have the screen replaced by an authorized servicing dealer.

WARNING:

To avoid a fire hazard, never run the blower without the spark arrestor in place.

CLEANING THE EXHAUST PORT AND MUFFLER

Depending on the type of fuel used, the type and amount of oil used, and/or your operating conditions, the exhaust port, muffler, and/or spark arrestor screen may become blocked with carbon deposits. If you notice a power loss with your gas powered tool, you may need to remove these deposits to restore performance. We highly recommend that only qualified service technicians perform this service.

VACUUM BAG

A dirty bag will reduce performance. To clean the bag, turn it inside out and shake. Wash the bag in soapy water at least once a year. To obtain a replacement bag, see How to Order Replacement Parts on the back page of this manual.

FUEL CAP

The fuel cap contains a non-serviceable filter and a check valve. A clogged fuel filter will cause poor engine per- formance. If performance improves when the fuel cap is loosened, the check valve may be faulty or filter clogged. Replace the fuel cap if required.

WARNING:

A leaking fuel cap is a fire hazard and must be replaced immediately.

SPARK PLUG

This engine uses a Champion RCJ6Y with 0.63 mm (0.025 in.) electrode gap. Use an exact replacement spark plug and replace annually.

choke dial

cover

wavy

washer

HEX

flat

 

NUT

washer

 

 

FILTER

 

 

SCREEN

Fig. 15

BRUSH

FILTER SCREEN

Fig. 16

STORing the product

Clean all foreign material from the product. Store it in a well-ventilated place that is inaccessible to children. Keep away from corrosive agents such as garden chemicals and de-icing salts.

Abide by all Federal and local regulations for the safe storage and handling of gasoline.

WHEN STORING 1 MONTH OR LONGER:

Drain all fuel from tank into a container approved for gasoline. Run engine until it stops.

16

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Ryobi RY09905, RY08552 manual Cleaning the AIR Filter Screen, Spark Arrestor, Vacuum BAG, Fuel CAP, Spark Plug
Page 15 Page 17

RY08552, RY09905 specifications

The Ryobi RY09905 and RY08552 are two exceptional outdoor power equipment options designed for homeowners and professionals alike, offering outstanding performance in lawn maintenance and landscaping tasks. Both models embody Ryobi's commitment to innovation and user-friendly design, making them popular choices in the competitive market of outdoor tools.

The RY09905 is a gas-powered push mower known for its robust engine and efficient cutting capabilities. One of its standout features is the 159cc engine that delivers powerful performance while maintaining fuel efficiency. The mower’s 21-inch cutting deck allows for wider swathes, reducing mowing time without sacrificing grass quality. Moreover, it employs a 3-in-1 cutting system, enabling users to choose between mulching, side discharge, or rear bagging to suit diverse lawn care needs.

Another characteristic of the RY09905 is its adjustable cutting height system, which provides six different settings ranging from 1 to 4 inches. This versatility allows users the ability to customize their lawn’s appearance and health based on the specific requirements of different grass types. Additionally, the durable steel deck construction enhances the mower's longevity, ensuring it can withstand rigorous use while maintaining its cutting precision.

In contrast, the Ryobi RY08552 is a versatile, lightweight string trimmer that is ideal for precision grass trimming and edging. It features a powerful battery-powered motor with a 40V lithium-ion battery system, which not only minimizes noise but also eliminates the need for gas and oil, making it environmentally friendly. Users appreciate the convenience of the instant start and the lack of maintenance typically associated with traditional gas-powered trimmers.

The RY08552 also boasts a 12-inch cutting width and a 90-degree pivoting head that makes it easier to access tight spaces and corners. This model is equipped with a dual-line automatic feed head, ensuring that the trimming line advances as needed, reducing downtime for line replacement. The comfortable grip handle and lightweight design further enhance maneuverability, allowing users to operate the trimmer with ease, even for extended periods.

In conclusion, both the Ryobi RY09905 and RY08552 exhibit the brand's dedication to quality and performance. With their innovative technologies and user-friendly features, these tools offer reliable solutions for maintaining an attractive and healthy lawn, catering to both novice users and seasoned landscapers. Whether tackling large areas or fine-tuning edges, Ryobi products like these are designed to meet diverse outdoor needs.
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