Craftsman 21ES122R799 Operator's Manual page 9

PROBLEM
ENGINE WILL NOT START
Empty fuel tank
Primer bulb wasn't pressed enough
Engine is flooded
Old or improperly mixed fuel
Fouled spark plug
Plugged spark arrestor
The outside temperature is below 40º F
The outside temperature is above 90º F
ENGINE WILL NOT IDLE
Air filter is plugged
Old or improperly mixed fuel
Improper carburetor adjustment
ENGINE WILL NOT ACCELERATE
Old or improperly mixed fuel
Improper carburetor adjustment
Cultivator tines bound with debris
Dirty air filter
Plugged spark arrestor
ENGINE LACKS POWER OR STALLS WHEN UNDER LOAD
Old or improperly mixed fuel
Improper carburetor adjustment
Air filter is plugged
Fouled spark plug
Plugged spark arrestor
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TROUBLESHOOTING
SOLUTION
Fill fuel tank with properly mixed fuel
Press primer bulb fully and slowly 10 times
Pull the starter rope while holding the throttle control
Drain fuel tank and add fresh fuel mixture
Replace the spark plug
Clean or replace spark arrestor
Pull the starter rope up to 10-15 times
Pull the starter rope up to 10-15 times
Replace or clean the air filter
Drain fuel tank and add fresh fuel mixture
Take to a Sears or other qualified service dealer for an adjustment
Drain fuel tank and add fresh fuel mixture
Take to a Sears or other qualified service dealer for an adjustment
Stop the unit and clean or remove any debris binding the tines
Clean or replace the air filter
Clean or replace spark arrestor
Drain fuel tank and add fresh fuel mixture
Take to a Sears or other qualified service dealer for an adjustment
Replace or clean air filter
Replace the spark plug
Clean or replace spark arrestor
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