Weed Eater BC3100, 530087645 Spark Plug, Ignition Timing, Carburetor Adjustment, Need ASSISTANCE?

	SPARK PLUG
	Replace spark plug yearly with a Champion
	CJ-8Y plug; spark plug gap is .025 in.
We recommend all service and adjustments	IGNITION TIMING
	Ignition timing is fixed, non-adjustable.
not listed in this manual be performed by an
Authorized Service Dealer.
CARBURETOR ADJUSTMENT
Your carburetor is equipped with limiter caps.	NEED ASSISTANCE?
Damage will occur if you turn the needles be-
	Call 1-800-554-6723 for assistance.
yond the limiter caps. Carburetor adjustment is
a complicated task. We recommend that you	NEED SERVICE PARTS?
take your unit to an Authorized Service Dealer.	Contact your dealer or call 1-800-554-6723.

TROUBLESHOOTING TABLE

WARNING: Always stop unit and disconnect spark plug before performing any of the recommended remedies below other than remedies that require unit to be operating.

TROUBLE	CAUSE		REMEDY
Engine will not	S	Engine flooded.	S	See “Starting Instructions.”
start.	S	Fuel tank empty.	S	Fill tank with correct fuel mixture.
	S	Spark plug not firing.	S	Install new spark plug.
	S	Fuel not reaching	S	Check for dirty fuel filter; replace.
		carburetor.		Check for kinked or split fuel line;
		Carburetor requires		repair or replace.
	S		S	See “Carburetor Adjustments.”
		adjustment.
Engine will not	S	Carburetor requires	S	See “Carburetor Adjustments.”
idle properly.		adjustment.		Contact an Authorized Service Dealer.
	S	Throttle trigger problems.	S
Engine will not	S	Air filter dirty.	S	Clean or replace air filter.
accelerate,	S	Spark plug fouled.	S	Clean or replace spark plug
lacks power, or	S	Carburetor requires	S	and re-gap.
dies under a				See “Carburetor Adjustments.”
load.		adjustment.
Engine smokes	S	Fuel mixture incorrect.	S	Empty fuel tank and refill with
excessively.	S	Air filter dirty.	S	correct fuel mixture.
				Clean or replace air filter.
	S	Carburetor requires	S	See “Carburetor Adjustments.”
		adjustment.
Engine runs hot.	S	Fuel mixture incorrect.	S	Empty fuel tank and refill with
		Spark plug incorrect.		correct fuel mixture.
	S		S	Replace with correct spark plug.
	S	Carburetor requires	S	See “Carburetor Adjustments.”
		adjustment.
Line does not	S	Line improperly routed in	S	Check line routing.
advance or		head.
breaks while	S	Line improperly would	S	Rewind line tightly and evenly.
cutting.		onto spool.
	S	Incorrect line size.	S	Use only 0.080” diameter line.
	S	Not enough line outside	S	Pull 4 inches of line outside of head.
		of head.
	S	Dirt buildup on cover.	S	Clean cover.
Line welds	S	Incorrect line size.	S	Use only 0.080” diameter line.
onto spool.	S	Incorrect spool.	S	Replace with correct spool.
	S	Line is being crowded	S	Cut with tip of line fully extended.
		against material being
		cut.
Line pulls	S	Too little line outside of	S	Remove cover and pull 4 inches
back into	S	head.	S	of line outside of head.
head.		Line size incorrect.		Use only 0.080” diameter line.

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