BAR MAINTENANCE
If your saw cuts to one side, has to be forced through the cut, or been run with an improper amount of bar lubrication it may be neces- sary to service your bar. A worn bar will dam- age your chain and make cutting difficult.
Replace your bar if bent or the inside rails of the bar are worn.
S Clean the oil holes after each 5 hours of operation
SRemove sawdust from bar groove periodi- cally with a wire or putty knife.
Remove Sawdust From
Guide Bar Groove
Sprocket Hole
Oil Holes
CHAIN SHARPENING
Chain sharpening is a complicated task that requires special tools. We recommended you refer chain sharpening to a professional chain sharpener.
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
SPARK PLUG
Replace the spark plug yearly using a Cham- pion RCJ7Y. The spark plug gap is ”0.25. Use spark plug
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 unit with all guards in place. Position so that any sharp object cannot accidentally cause injury to passersby. Store the unit out of reach of children.
SBefore storing, drain all fuel from the unit. Start engine and allow to run until it stops.
SClean the unit before storing. 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.
SDo not store the unit or fuel in a closed area where fuel vapors can reach sparks or an open flame from hot water heaters, electric
motors or switches, furnaces, etc.
SStore in a dry area out of the reach of chil- dren.
CAUTION: It is important to prevent gum de- posits from forming in essential fuel system parts such as the carburetor, fuel filter, fuel hose, or fuel tank during storage. Alcohol 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.
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 |
| REMEDY | |
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|
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|
| Engine will not | S | Ignition switch off. | S | Move ignition switch to ON. |
| start or will run | S | Engine flooded. | S | See “Difficult Starting” in |
| only a few |
|
|
| Operation Section. |
| seconds after | S | Fuel tank empty. | S Fill tank with correct fuel mixture. | |
| starting. | 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; | |
|
|
|
|
| repair or replace. |
|
|
|
|
|
|
| Engine will | S | Carburetor requires | S | Contact an Authorized Service Dealer. |
| not idle | . | adjustment |
|
|
| properly. | S | Crankshaft seals worn. | S | Contact an 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 plug |
| lacks power, |
| Carburetor requires |
| and regap. |
| or dies under | S | S | Contact an Authorized Service Dealer. | |
| a load. |
| adjustment. | . |
|
| Engine | S | Too much oil mixed with | S | Empty fuel tank and refill with |
| smokes | . gasoline. | . correct fuel mixture. | ||
| excessively. |
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