Craftsman Incredi-Pull 316.990110 Operator's Manual page 19

PROBLEM
The primer bulb was not pressed enough
The fuel is old (over 30 days) and/or improperly mixed
The fuel is old (over 30 days) and/or improperly mixed
The fuel is old (over 30 days) and/or improperly mixed
The air filter is dirty
The fuel is old (over 30 days) and/or improperly mixed
The spark plug is fouled
The cutting head is bound with grass
The inner reel is bound up
The line is welded
Not enough line is extended
There is oil, cleaner or lubricant in the cutting head
SOLUTION
Press the primer bulb 10 times or until fuel is visible
Drain the fuel tank and add fresh, properly mixed fuel
Drain the fuel tank and add fresh, properly mixed fuel
Drain the fuel tank and add fresh, properly mixed fuel
Clean or replace the air filter
Drain the fuel tank and add fresh, properly mixed fuel
Replace the spark plug
Clean the cutting head
Rewind the line
Open the cutting head and remove the welded section
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Stop the unit, push the bump knob and pull the line until 4 inches
(102 mm) is outside of the cutting head
Clean and thoroughly dry the cutting head
19