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.
SClean the oil holes after each 5 hours of
operation
SRemove sawdust from bar groove peri- odically with a wire or putty knife.
Guide Bar
Groove
Oil Holes
CARBURETOR ADJUSTMENTS
Carburetor adjustment is critical and if done improperly can permanently damage your unit. We recommend you contact an Autho- rized Service Dealer for adjustments.
IDLE SPEED ADJUSTMENT: Turn the Idle Speed Screw clockwise until it stops. Now turn the screw counterclockwise
MIXTURE ADJUSTMENTS: If your carbu- retor includes limiter caps (Plastic caps on the mixture screws) , do not force the screws beyond the stops of the limiter caps or dam- age will occur. Do not remove these caps. Small adjustments will affect your unit. Do not adjust more than 1/16th turn without checking performance.
CHAIN SHARPENING
Chain sharpening is a complicated task that requires special tools. We recommended you refer chain sharpening to a professional chain sharpener. If you choose to perform your own chain sharpening, call our
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
SPARK PLUG
Replace the spark plug yearly using a Cham- pion RCJ7Y. Gap to .025”.
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 partic- ular attention to the air intake area, keep- ing it free of debris. Use a mild detergent and sponge to clean the plastic sur-
faces.
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, fur-
naces, etc.
S Store in a dry area out of the reach of children.
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.
Engine will not start.
SIgnition switch off. S Engine flooded.
S Fuel tank empty.
S Spark plug not firing.
S Fuel not reaching carburetor.
Engine will not idle properly.
SCarburetor requires adjustment. S Crankshaft seals worn.
Engine will not accelerate, lacks power, or dies under a load.
SAir filter dirty.
Spark plug fouled.S
SCarburetor requires adjustment. Engine smokes excessively.
SToo much oil mixed with gasoline
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