Ryobi RY34007 - Manual (Page 15)

13 — English
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. Con-
tact a service dealer. If primer bulb fills, engine may
be flooded, proceed to next item.
Set the choke lever to the FULL CHOKE 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 the 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 accel-
erates but will not idle. Idle speed screw on carburetor
needs adjustment. Turn idle speed screw clockwise to increase idle
speed. See Figure 9.
Engine emits too much smoke. Too much oil in crankcase. Drain lubricant and refill with correct amount of 20W50
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 ex-
tended time with the engine in an upside-down posi-
tion. Remove and clean the spark plug. Drain the oil
out of the spark plug hole, then reinstall the spark plug.
Check engine lubricant and add if necessary prior to
starting. Refer to
Adding/Checking Engine Lubri-
cant earlier in this manual.