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TROUBLESHOOTING GUIDE
TROUBLESHOOTING GUIDE
While normal care and routine maintenance will extend the life of your cultivator, prolonged or constant use may eventually
require that service be performed to allow it to continue operating properly. The troubleshooting guide below lists the most
common problems, causes and remedies.
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
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POSSIBLE CAUSE
1. Ignition switch off
2. Spark plug wire disconnected
3. Out of fuel
4. Spark plug wet, faulty or improperly
gapped
5. Fuel line hose not positioned in bot-
tom of gas 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
4. Fuel not primed sufficiently
1. Clogged fuel filter
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
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 gas tank
1. Clean or replace air filter
2. Move choke lever to run position
3. Call customer service
1. Drain old fuel and replace with fresh fuel. Use fuel
stabilizer at end of season or during long term
storage
2. Make sure spark wire is securely attached to spark
plug
3. Clean carburetor, use fuel stabilizer, new gas can
4. Prime unit 3 more times, then pull recoil handle
1. Clean fuel tank, replace fuel filter
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
Owner's Manual
MC33 2-CYCLE CULTIVATOR
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Table of Contents
Troubleshooting
Need help?
Do you have a question about the MC33 and is the answer not in the manual?
Questions and answers
Culivator is a little over 3 yrs old (12/21) Perhaps 5 hours of small garden use Good engine power but poor tine performance. Tines work best at medium engine power but slow or stop at higher power hard to believe bad clutch with so few hours
Poor tine performance in an EarthQuake MC33 cultivator with low usage hours could be caused by several factors:
1. Loose or Missing Fasteners – Ensure that all screws, nuts, and bolts are tight.
2. Debris Build-Up – Check and remove any debris around the tines, air cleaner holes, and gas cap.
3. Improper Tine Installation – Verify that the tines are correctly installed and secured with hairpins.
4. Low Grease Level – Check the transmission case grease level and add molylithium type grease if necessary.
5. Fuel Issues – Ensure the correct fuel mixture (50:1 gas-to-oil ratio) and that the fuel tank is not overfilled.
6. Spark Plug Issues – Inspect and clean the spark plug area or replace the spark plug if needed.
If none of these resolve the issue, further inspection of internal components may be required.
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I cant get the sleeve to unlock on the wheel height adjustment on mc33