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