TROUBLESHOOTING GUIDE
PROBLEM
Engine will not start
Engine runs rough,
floods during
operation
Engine is hard to start
Engine misses or lacks
power
Engine runs, then
quits
Engine revs too high
Tines turn at idle
Recoil hard to pull
16
POSSIBLE CAUSE
1. Ignition switch in off position
2. Spark plug wire disconnected
3. Out of fuel
4. Spark plug wet, faulty or improperly gapped
5. Fuel line hose not positioned in bottom of
fuel tank
1. Dirty air filter
2. Choke partially engaged
3. Carburetor out of adjustment
1. Stale fuel
2. Spark plug wire loose
3. Dirty carburetor
1. Clogged fuel tank
2. Clogged air filter
3. Carburetor out of adjustment or bad
4. Spark plug wet, faulty or improperly gapped
1. Gas cap not venting
2. Plugged fuel filter
3. Carburetor out of adjustment or bad
1. Carburetor out of adjustment
1. Idle speed too high
2. Broken clutch spring
1. Oil in combustion chamber
Check for parts online at www.getearthquake.com or call 800-345-6007 M-F 8-5
MC440 4-Cycle Cultivator
REMEDY/ACTION
1. Flip switch to ON position
2. Connect spark plug wire to spark plug
3. Refuel
4. Clean, replace or gap spark plug
5. Push fuel line down into fuel in fuel tank
1. Clean or replace air filter
2. Turn off choke
3. Call customer service
1. Drain old fuel and replace with fresh. Use fuel
stabilizer at end of season
2. Make sure spark wire is securely attached to spark
plug
3. Clean carburetor, use fuel stabilizer, new gas can
1. Remove and clean fuel tank
2. Clean or replace air filter
3. Call customer service
4. Clean, replace or gap spark plug
1. Clean or replace gas cap, check vent
2. Clean or replace fuel filter
3. Call customer service
1. Call customer service
1. Adjust idle speed lower
2. Replace clutch
1. Remove spark plug and dry out chamber
Operator's Manual