Ryobi C430 RY34421 Troubleshooting, Problem Possible Cause Solution, Speed. See Figure

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. 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
	Engine is flooded.	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	Air filter screen is dirty.	Clean air filter screen. Refer to Cleaning Air Filter
speed and emits excessive		Screen earlier in this manual.
smoke		Contact a servicing dealer.
	Spark arrestor screen is dirty.	Clean or replace spark plug. Reset spark plug gap.
	Spark plug fouled.	Refer to Spark Plug Replacement earlier in this
		manual.
Engine starts, runs, and accel-	Idle speed screw on carburetor	Turn idle speed screw clockwise to increase idle
erates but will not idle	needs adjustment.	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	This is usually caused by storing the unit for an extended
	chamber.	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.	Replace line. Refer to the applicable line replacement
		section in this manual.
	Not enough line on spool.	Install more line. Refer to the applicable line replace-
		ment section in this manual.
		Pull lines while alternately pressing down on and
	Line is worn too short.	releasing spool retainer.
		Remove line from spool and rewind. Refer to the ap-
	Line is tangled on spool.	plicable line replacement section in this manual.
		Advance line at full throttle.
	Engine speed is too slow.

14 — English