We recommend all service and adjustments not listed in this manual be performed by an Authorized Service Dealer.
IGNITION TIMING
The ignition timing is fixed,
SPARK PLUG
Replace the spark plug yearly using a Cham- pion
CARBURETOR ADJUSTMENTS |
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Your carburetor is equipped with limiter caps. |
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Carburetor adjustment is a complicated task. |
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Need Assistance? | ||
We recommend that you take your unit to an | ||
Authorized Service Dealer. Damage will oc- | Call | |
cur if you turn the needles beyond the limiter | Need Service Parts? | |
stops. | Contact your dealer. | |
TROUBLESHOOTING TABLE |
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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.” |
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. |
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| Check for kinked or split fuel line; |
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| repair or replace. |
| S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
Engine will not | S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
idle properly. | S | Throttle trigger screw too | S | Loosen screw. |
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| tight. |
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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, | S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
or dies under |
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a load. |
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Engine | S | Fuel mixture incorrect. | S | Empty fuel tank and refill with |
smokes |
| Air filter dirty. |
| correct fuel mixture. |
excessively. | S | S | Clean or replace air filter. | |
| S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
Line does not | S | Line improperly routed in head. | S | Check line routing. |
advance or | S | Line improperly wound on | S | Rewind line tightly and evenly. |
breaks while |
| spool. |
| Use only 0.080” (2 mm) dia. line. |
cutting. | S | Line size incorrect. | S | |
Line welds | S | Line size incorrect. | S | Use only 0.080” (2 mm) dia. line. |
onto spool. | S | Incorrect spool. | S | Replace with correct spool. |
| S | Line is being crowded against | S | Cut with tip of line fully extended. |
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| material being cut. |
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Line pulls | S | Too little line outside of head. | S | Remove spool and pull 4 inches |
back into |
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| (10 cm) of line outside of head. |
head. | S | Line size incorrect. | S | Use only 0.080” (2 mm) dia. line. |
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