Ryobi S430 RY34441 - Manual (Page 18)

14 — 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. Con-
tact 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 screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Clean air filter screen. Refer to Cleaning Air Filter
Screen 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 28.
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 Adding/Checking Engine Lubri-
cant earlier in this manual.
Line will not advance Line is welded to itself.
Not enough line on spool.
Line is worn too short.
Line is tangled on spool.
Engine speed is too slow.
Replace line. Refer to the applicable line replacement
section in this manual.
Install more line. Refer to the applicable line replace-
ment section in this manual.
Pull lines while alternately pressing down on and
releasing spool retainer.
Remove line from spool and rewind. Refer to the ap-
plicable line replacement section in this manual.
Advance line at full throttle.