TROUBLESHOOTING

IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.

PROBLEM

POSSIBLE CAUSE

SOLUTION

Engine will not start

No spark.

Clean or replace spark plug. Reset

 

 

spark plug gap. Refer to Spark Plug

 

 

Replacement earlier in this manual.

 

No fuel.

Push primer bulb until bulb is full of fuel.

 

 

If bulb does not fill, primary fuel delivery

 

 

system is blocked. Contact a service

 

 

dealer. If primer bulb fills, engine may

 

 

be flooded, proceed to next item.

 

Engine is flooded.

Set the start lever to the START position.

 

 

Squeeze the trigger and pull the rope

 

 

repeatedly until the engine starts and

 

 

runs.

 

 

NOTE: Depending on the severity of

 

 

the flooding, this may require numerous

 

 

pulls of the rope.

 

 

 

Engine does not reach full speed and

Air filter is dirty.

Clean air filter. Refer to Cleaning Air

emits excessive smoke

 

Filter earlier in this manual.

 

Spark arrestor screen is dirty.

Contact a servicing dealer.

 

Spark plug fouled.

Clean or replace spark plug. Reset

 

 

spark plug gap. Refer to Spark Plug

 

 

Replacement earlier in this manual.

 

 

 

Engine starts, runs, and accelerates

Idle speed screw on carburetor needs

Turn idle speed screw clockwise to

but will not idle

adjustment.

increase idle speed. See Figure 13.

 

 

 

Spool retainer hard to turn

Screw threads are dirty or damaged.

Clean threads and lubricate with grease

 

 

- if no improvement, replace the spool

 

 

retainer.

 

 

 

Grass wraps around driveshaft housing

Cutting tall grass at ground level.

Cut tall grass from the top down to

and string head

 

prevent wrapping.

 

Operating trimmer at part throttle.

Operate trimmer at full throttle.

 

 

 

Engine emits too much smoke

Too much oil in crankcase.

Drain lubricant and refill with correct

 

 

amount of 10W-30 engine lubricant.

 

 

See Adding/Checking Engine

 

 

Lubricant in the Operation section of

 

 

this manual.

 

 

 

Engine rope cannot be pulled

Oil has entered the combustion

This is usually caused by storing the unit

 

chamber.

for an extended time with the engine in

 

 

an upside-down position. Remove and

 

 

clean the spark plug. Drain the oil out

 

 

of the spark plug hole, then reinstall the

 

 

spark plug.

 

 

 

12 — English

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Ryobi RY13010 manuel dutilisation Troubleshooting, Problem Possible Cause Solution, See Adding/Checking Engine