Craftsman WEEDWACKER Incredi-Pull 316.791191 Operator's Manual page 10

Empty fuel tank
Engine is flooded
Fouled spark plug
Air filter is plugged
Improper carburetor adjustment
Old or improperly mixed fuel
Dirty air filter
Old or improperly mixed fuel
Fouled spark plug
Engine overspeed protection engaged
Cutting head bound with grass
Inner reel bound up
Line welded
PROBLEM SOLUTION
Fill fuel tank with properly mixed fuel
Pull the starter rope while holding the throttle control
Replace the spark plug
Replace or clean the air filter
Take to a Craftsman or other qualified service dealer for adjustment
Drain fuel tank and add fresh fuel mixture
Clean or replace the air filter
Drain fuel tank and add fresh fuel mixture
Replace the spark plug
Allow the engine to cool down for 10 minutes before restarting
Stop the engine and clean cutting head
Rewind the inner reel
Disassemble, remove the welded section and rewind
Not enough line is exposed Push the bump knob and pull out line until 4 inches (102 mm) of line is
outside of the cutting head
Oil, cleaner or lubricant in cutting head Clean and thoroughly dry the cutting head
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