Poulan 452 MVB manual Carburetor Adjustments, Spark Plug, Ignition Timing

We recommend all service and adjustments not listed in this manual be performed by an Authorized Service Dealer.

CARBURETOR ADJUSTMENTS

Your carburetor is equipped with limiter caps. Carburetor adjustment is a compli-

cated task. We recommend that you take your unit to an Authorized Service Dealer. Damage will occur if you turn the needles be- yond the limiter stops.

SPARK PLUG

Replace spark plug yearly using a Champion RCJ-8Y spark plug. Spark plug gap is .025”.

IGNITION TIMING

Ignition timing is fixed, nonadjustable.

TROUBLESHOOTING TABLE

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

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 carburetor.	S	Check for dirty fuel filter; replace.
				Check for kinked or split fuel line;
		Compression low.		repair or replace.
	S		S	Contact Authorized Service Dealer.
Engine will not	S	Carburetor requires adjustment.	S	See “Carburetor Adjustments.”
idle properly.	S	Crankshaft seals worn.	S	Contact Authorized Service Dealer.
	S	Compression low.	S	Contact Authorized Service Dealer.
Engine will not	S	Air filter dirty.	S	Clean or replace air filter.
accelerate,	S	Spark plug fouled.	S	Clean or replace spark plug; re-gap.
lacks power, or	S	Carburetor requires adjustment.	S	See “Carburetor Adjustments.”
dies under a	S	Carbon build up.	S	Contact Authorized Service Dealer.
load.	S	Compression low.	S	Contact Authorized Service Dealer.
Engine	S	Choke partially on.	S	Adjust choke.
smokes	S	Fuel mixture incorrect.	S	Empty fuel tank and refill with
excessively.		Air filter dirty.		correct fuel mixture.
	S		S	Clean or replace air filter.
	S	Carburetor requires adjustment.	S	See “Carburetor Adjustments.”
Engine	S	Fuel mixture incorrect.	S	See “Fueling Your Unit.”
runs hot.	S	Spark plug incorrect.	S	Replace with correct spark plug.
	S	Carburetor requires adjustment.	S	See “Carburetor Adjustments.”
	S	Carbon build up.	S	Contact Authorized Service Dealer.

Need Assistance? Call 1-800-554-6723. Need a Service Part? Contact your retailer.

ELECTROLUX HOME PRODUCTS, Divi- sion WCI Outdoor Products, Inc., warrants to the original purchaser that each new Weed Eater or Poulan PRO brand gasoline tool or attachment is free from defects in ma- terial and workmanship and agrees to repair or replace under this warranty any defective gasoline product or attachment as follows from the original date of purchase.

2 YEARS -- Parts and Labor, when used for household purposes.

60 DAYS -- Parts and Labor, when used for commercial, professional, or income pro- ducing purposes.

30 DAYS -- Parts and Labor, if used for rental purposes.

This warranty is not transferable and does not cover damage or liability caused by im- proper handling, improper maintenance, or the use of accessories and/or attachments not specifically recommended by ELEC- TROLUX HOME PRODUCTS for this tool. Additionally , this warranty does not cover tune-ups, spark plugs, filters, starter ropes, starter springs, cutting line, or rotating head parts that will wear and require replacement with reasonable use during the warranty pe- riod. This warranty does not cover predeliv- ery setup or normal adjustments explained in the operator ’s manual.

THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.

NO CLAIMS FOR CONSEQUENTIAL OR OTHER DAMAGES WILL BE ALLOWED, AND THERE ARE NO OTHER EXPRESS

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