CHAIN SHARPENING
Chain sharpening is a complicated task that requires special tools. We recommended you refer chain sharpeningto a professional chain sharpener.
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
SPARK PLUG
The spark plug should be replaced each
year to ensure the engine starts easier and runs better.
•Loosen 3 screws on cylindercover.
•Remove the cylinder cover.
•Pull off the spark plug boot.
•Remove spark plug from cylinder and dis- card.
•Replace with Champion
wrench
•Reinstallthe spark plug boot.
•Reinstall the cylinder cover and 3 screws
Spark Plug Boot
TROUBLESHOOTING TABLE
STORAGE
="=WARNINg: Stop engine and allow
to cool, and secure the unit before storing or transporting in a vehicle. Store unit and fuel in an area where fuel vapors cannot reach
sparks or open flames from water heaters, electric motors or switches, furnaces, etc.
Store unitwith all guards in place. Positionso that any sharp object cannot accidentally cause injury to passersby. Store the unit out of reach of children.
•Before storing, drain all fuel from the unit. Start engine and allow to run until it stops.
•Cleanthe unit beforestoring. Pay particu- lar attention to the air intake area, keeping it free of debris. Use a mild detergent and sponge to clean the plastic surfaces.
•Do not store the unit orfuel in a closed area
where fuel vapors can reach sparks or an open flame from hot water heaters, electric motors or switches, furnaces, etc.
•Store in a dry area out of the reach of chil- dren.
CAUTION: It is important to prevent gum deposits from forming in essential fuel sys- tem parts such as the carburetor, fuel filter, fuel hose, or fuel tank during storage. Alco- hol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to fuel mixture separation and formation of acids during storage. Acidic gas can damage the engine.
_k, WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies that require operation of the unit.
TROUBLE |
| CAUSE |
|
| |||
Engine | will | not | • | Ignition | switch off. | ||
start | or will | run | • | Engine | flooded. | ||
only | a few |
| |||||
|
|
|
|
| |||
seconds | after | • | Fuel tank | empty. | |||
starting. |
|
| • | Spark plug notfiring. | |||
|
|
|
| • | Fuel not reaching | ||
|
|
|
|
| carbureto_ |
| |
Engine will |
| • | Carburetor | requires | |||
not idle |
|
|
| adjustment |
| ||
properly. |
|
| • | Crankshaft | seals worn. | ||
Engine will | not | • | Air filter | dirty. | |||
accelerate, |
| • | Spark plug fouled. | ||||
lacks | power, |
|
|
|
| ||
or dies under | • | Carburetor | requires | ||||
a load. |
|
|
| adjustment. | |||
Engine |
|
| • | Too much | oil mixed with | ||
smokes |
|
|
| gasoline. |
|
| |
|
|
|
|
|
|
| |
excessively.
REMEDY
•Move ignition switch to ON.
•See "Difficult Starting" in Operation Section.
•Fill tank with correct fuel mixture.
•Install new spark plug.
•Check for dirty fuel filter; replace. Check for kinked or split fuel line; repair or replace.
•Contact an Authorized Service Dealer.
•Contact an Authorized Service Dealer.
•Clean or replaceairfilter.
•Clean or replace plug and regap.
•Contact an Authorized Service Dealer.
•Empty fuel tank and refill with correct fuel mixture.
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