Ryobi RY34001 Lawn Mower User Manual


 
12 — English
TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
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 an
authorized service center. 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 screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Clean air filter screen. Refer to Clean-
ing Air Filter Screen earlier in this
manual.
Contact an authorized service center.
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 9.
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.
Check engine lubricant and add if
necessary prior to starting. Refer to
Changing Engine Lubricant earlier in
this manual.