8
GB
|
Operating Instruction
4. Troubleshooting
PROBLEM
PROBABLE CAUSE
CORRECTIVE ACTION
Engine does not start
Throttle chock not in the correct po-
sition for the prevailing conditions.
Move throttle chock to correct
position.
Fuel tank is empty.
Fill tank with fuel: refer to ENGINE
OWNERS MANUAL.
Air cleaner element is dirty.
Clean air cleaner element: refer to
ENGINE OWNERS MANUAL.
Spark plug loose.
Tighten spark plug to 25-30Nm.
Spark plug wire loose or discon-
nected from plug.
Install spark plug wire on spark
plug.
Spark plug gap is incorrect.
Set gap between electrodes at 0.7
to 0.8mm.
Spark plug is defective
Install new ,correctly gapped
plug: refer to ENGINE OWNERS
MANUAL.
Carburetor is flooded with fuel.
Remove air cleaner element and
pull starter rope continuously until
carburetor clears itself and install
air cleaner element.
Faulty ignition module.
Contact the service agent.
Engine difficult to start or loses
power.
Dirt, water, or stale fuel tank.
Drain fuel and clean tank. Fill tank
with clean, fresh fuel.
Vent hole in fuel tank cap is
plugged.
Clean or replace fuel tank cap.
Air cleaner element is dirty.
Clean air cleaner element.
Engine operates erratically.
Spark plug is defective.
Install new ,correctly gapped
plug: refer to ENGINE OWNERS
MANUAL.
Spark plug gap is incorrect.
Set gap between electrodes at 0.7
to 0.8mm.
Air cleaner element is dirty.
Clean air cleaner element: refer to
ENGINE OWNERS MANUAL.
Engine idles poorly.
Air cleaner element is dirty.
Clean air cleaner element: refer to
ENGINE OWNERS MANUAL.
Air slots in engine shroud are
blocked.
Remove debris form shots.
Cooling fins and air passages under
engine blower housing are blocked.
Remove debris form cooling fins
and air passages.
Engine skips at high speed.
Gap between electrodes of spark
plug is too close.
Set gap between electrodes at 0.7
to 0.8mm.
Engine overheats
Cooling air flow is restricted
Remover any debris from slots
in shroud, blower housing, air
passages.
Incorrect spark plug.
I Install spark plug and cooling fins
on engine.
Mower vibrates abnormally
Cutting assembly is loose.
Tighten blade.
Cutting assembly is unbalanced
Balance blade.
