Ryobi RY13010 Operator's Manual - Page 16

Troubleshooting

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TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM Engine will not start POSSIBLE CAUSE No spark. No fuel. Engine is flooded. SOLUTION Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. 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. 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. emits excessive smoke Spark arrestor screen is dirty. Spark plug fouled. Clean air filter. Refer to Cleaning Air Filter earlier in this manual. Contact a servicing dealer. 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. and string head Operating trimmer at part throttle. Cut tall grass from the top down to prevent wrapping. Operate trimmer at full throttle. Engine emits too much smoke Engine rope cannot be pulled 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. 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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12 — English
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
Engine will not start
No spark.
No fuel.
Engine is flooded.
Clean or replace spark plug. Reset
spark plug gap. Refer to
Spark Plug
Replacement
earlier in this manual.
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.
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
emits excessive smoke
Air filter is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Clean air filter. Refer to
Cleaning Air
Filter
earlier in this manual.
Contact a servicing dealer.
Clean or replace spark plug. Reset
spark plug gap. Refer to
Spark Plug
Replacement
earlier in this manual.
Engine starts, runs, and accelerates
but will not idle
Idle speed screw on carburetor needs
adjustment.
Turn idle speed screw clockwise to
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
and string head
Cutting tall grass at ground level.
Operating trimmer at part throttle.
Cut tall grass from the top down to
prevent wrapping.
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
chamber.
This is usually caused by storing the unit
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.