Troubleshooting - Craftsman WEEDWACKER 316.74087 Serie Manual Del Operador

PROBLEM
THE ENGINE WILL NOT START
The fuel tank is empty
The primer bulb was not pressed enough
The engine is flooded
The fuel is old (over 30 days) and/or improperly mixed
The spark plug is fouled
The choke lever was not flipped
THE ENGINE WILL NOT IDLE
The air filter is dirty
The fuel is old (over 30 days) and/or improperly mixed
The idle speed is incorrect
THE ENGINE WILL NOT ACCELERATE
The fuel is old (over 30 days) and/or improperly mixed
The cutting head is bound with grass
The air filter is dirty
THE ENGINE LACKS POWER OR STALLS
The fuel is old (over 30 days) and/or improperly mixed
The air filter is dirty
The spark plug is fouled
THE CUTTING HEAD WILL NOT ADVANCE LINE (BUMP HEAD)
The cutting head is bound with grass
The cutting head is out of line
The inner reel is bound up
The cutting head is dirty
The line is welded
The line is twisted
Not enough line is extended
THE CUTTING LINE ADVANCES UNCONTROLLABLY (BUMP HEAD)
There is oil, cleaner or lubricant in the cutting head
If further assistance is required, take the unit to a Sears or other qualified service dealer.

TROUBLESHOOTING

SOLUTION
Fill the fuel tank with properly-mixed fuel
Press the primer bulb 10 times or until fuel is visible
Press the throttle lockout, squeeze the throttle control and pull the
starter rope until the engine starts
Drain the fuel tank and add fresh, properly-mixed fuel
Replace the spark plug
Refer to Starting Instructions in the Starting and Stopping section
Clean or replace the sound filter and media filter
Drain the fuel tank and add fresh, properly-mixed fuel
Adjust the idle speed
Drain the fuel tank and add fresh, properly-mixed fuel
Stop the engine and clean the cutting head
Clean or replace the sound filter and media filter
Drain the fuel tank and add fresh, properly-mixed fuel
Clean or replace the sound filter and media filter
Replace the spark plug
Stop the engine and clean the cutting head
Refill the cutting head with new line
Rewind the line
Clean the inner reel and outer spool
Open the cutting head and remove the welded section
Rewind the line
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
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