TROUBLESHOOTING

Problem

Possible Cause

Solution

Engine starts, runs,

Carburetor requires

Turn idle speed screw “T” clockwise to increase idle

and accelerates

adjustment­

to idle

speed. Refer to Adjusting the Carburetor in the

but will not idle.

speed.

 

Maintenance section of this manual.

Chain turns at

Carburetor requires

Turn idle speed screw “T” counterclockwise to de-

idle.

­adjustment to idle

crease speed. Refer to Adjusting the Carburetor in

 

speed.

 

the Maintenance section of this manual.

 

Air leak in the intake

Contact an authorized service center for a rebuild kit.

 

system.

 

 

 

 

 

 

Bar and chain

Chain oil tank empty.

Oil tank should be filled every time fuel tank is filled.

running hot and

Chain tension is too

Tension chain per instructions in Adjusting the Chain

smoking.

tight.

 

Tension in the Maintenance section of this manual.

 

 

 

Oiler is not

 

Run at half throttle 30 to 45 seconds. Stop saw and

 

functioning.

 

check for lubricant dripping from SAFE-T-TIP®and guide

 

 

 

bar. If lubricant is present, the chain may be dull or bar

 

 

 

may be damaged. If no lubricant is on the SAFE-T-TIP®,

 

 

 

contact an authorized service center.

 

 

 

Engine starts and

Chain brake is

Release chain brake. Refer to Operating the Chain

runs, but chain is

engaged.

 

Brake in the Operation­

section of this manual.

not rotating.

Chain tension is too

Tension chain per instructions in Adjusting the Chain

 

 

tight.

 

Tension in the Maintenance section of this manual.

 

Guide bar and

Refer to Replacing the Guide Bar and Chain in the

 

chain assembled

Maintenance section of this manual.

 

incorrectly.

 

 

 

 

Guide bar and/or

Inspect guide bar and chain for damage.

 

chain are damaged.

 

 

 

Drive sprocket teeth

Contact an authorized service center for drive sprocket

 

damaged

 

replacement.

 

 

 

 

Chain tensioning

Tip of guide bar is

Raise tip of guide bar while rotating tension adjustment

dial is difficult to

not raised.

 

dial.

 

turn.

Clutch cover lock

Press in the clutch cover lock knob and rotate coun-

 

 

knob is too tight.

terclockwise to slightly loosen the clutch cover before

 

 

 

attempting to adjust chain tension.

 

 

 

 

 

Page 39 — English

Page 39
Image 39
Ryobi RY10518, RY10520 Speed. Refer to Adjusting the Carburetor, Refer to Replacing the Guide Bar and Chain

RY10518, RY10520 specifications

The Ryobi RY10518 and RY10520 are two popular models in the Ryobi lineup of outdoor power equipment, specifically designed for homeowners and DIY enthusiasts seeking efficient and reliable string trimmers. Both models showcase innovative features, advanced technologies, and practical characteristics that make yard maintenance tasks more manageable and enjoyable.

The Ryobi RY10518 is powered by a robust 18-volt lithium-ion battery that delivers efficient performance. Its lightweight design makes it easy to maneuver, reducing user fatigue, especially during extended use. The RY10518 features an automatic feed spool, which allows for continuous line advancement without bumping the trimmer against the ground, simplifying the trimming process. The adjustable telescoping shaft enables users to customize the length of the trimmer to suit their height and comfort level.

On the other hand, the Ryobi RY10520 offers more power with its 40-volt lithium-ion battery. This model is designed for those who require a little extra power for tougher vegetation and larger yards. The RY10520 also features an automatic feed spool for hassle-free operation. Its dual-line system provides a wider cutting swath, making it efficient for trimming larger areas quickly. Additionally, the RY10520 is equipped with a brushless motor, which enhances the tool's runtime and overall efficiency, allowing for longer work sessions without the need for frequent recharges.

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