Difficulty Starting Engine (Recoil) - Champion 100379 Operator's Manual

100379 - FRONT TINE TILLER
Difficulty Starting Engine (Recoil)
Problem
Something wrong with the fuel system:
fuel supply is not smooth or no fuel
supply
No spark
Abnormal cylinder compression
If engine still doesn't start, contact our Technical Support Team for service and/or repair.
– When testing the spark plug, never hold the high-voltage wire of the spark plug with wet hand.
– Make sure there is no spilled fuel outside the engine and that the spark plug isn't covered with fuel.
– To prevent fire, keep sparks far away from the spark plug mounting hole.
Cause
There is no enough fuel in fuel tank and
fuel cock is closed.
Air vent in the fuel filler cap is clogged.
Fuel cock is clogged.
Improper or clogged main oil flow hole.
Needle valve is not closed properly or
start hole is clogged.
Float is damaged or sticking.
Fuel is too filthy or deteriorated.
There is water in fuel.
Too much fuel in engine.
Wrong fuel brand.
Too much carbon deposit and dirt
around electrodes.
Too much carbon deposit and dirt
around electrodes.
Too much carbon deposit and dirt
around electrodes.
Piston ring is at its wear limit.
Piston ring is broken.
Piston ring is sticking.
Spark plug is not installed tightly or
gasket is missing.
Air leakage between cylinder block and
cylinder head.
Air leakage in the valves.
WARNING
TROUBLESHOOTING
Solution
Fill fuel, open fuel cock.
Dredge air vent.
Clean first and then dredge.
Readjust or clean. Blow to clear through.
Dismantle needle valve and repair, clean.
Blow to get through.
Repair float.
Replace.
Replace.
Drain extra fuel. Dry up spark plug
electrodes.
Select proper fuel brand corresponding with
the requirements.
Clear carbon deposits.
Replace spark plug.
Adjust to proper value.
Replace.
Replace.
Clear up carbon fouling.
Tighten with a gasket in.
Check cylinder gasket and the flatness of the
surface where the cylinder block contacts
the cylinder head.
Tighten cylinder head bolts in stipulated
order to stipulated torque.
Check valve clearance and tightness. Repair
if necessary.
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