6. TROUBLESHOOTING.
6.1.
Engine Troubleshooting - N.B. Where necessary all corrective actions should be carried out by
suitably qualified person/s.
6.2.
If the starter rope becomes disconnected from the rope guide on handle, disconnect the spark plug
cap. Depress the blade control handle and pull the starter rope out from engine slowly and re-
engage in guide. Re connect spark plug cap.
PROBLEM
PROBABLE CAUSE
CORRECTIVE ACTION
Engine does not
start.
Throttle lever not in the correct
position for the prevailing conditions.
Move throttle lever to correct
position.
Fuel tank is empty.
Fill tank with fuel.
Stale fuel
Drain carburetor float bowl.
Air filter element is dirty.
Clean air filter element.
Spark plug is loose.
Tighten spark plug to 25- 30Nm.
Spark plug cap loose or disconnected
from plug.
Make sure spark plug cap is correctly
fitted onto spark plug.
Spark plug gap is incorrect.
Set gap between electrodes at
0.7 to 0.8mm.
Carburetor is flooded with fuel.
Remove air filter element and pull
starter rope continuously until
carburetor clears.
Faulty ignition module.
Contact the service dealer.
Engine difficult
to start or loses
power.
Dirt, water or stale fuel in 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 filter element is dirty.
Clean air filter element.
Engine operates
erratically.
Spark plug is defective.
Fit new, correctly gapped plug.
Spark plug gap is incorrect.
Set gap between electrodes at
0.7 to 0.8mm.
Air filter element is dirty.
Clean air filter element.
Engine idles
poorly.
Air filter element is dirty.
Clean air filter element.
Air slots in engine shroud are
blocked.
Remove debris from slots.
Cooling fins and air passages under
engine housing are blocked
Remove debris from 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 airflow is restricted.
Remove any debris from slots in
shroud, blower housing, air passages.
Incorrect spark plug.
Fit new spark plug.
Mower vibrates
abnormally.
Cutting assembly is loose.
Tighten blade.
Blade/Cutting assembly is
unbalanced.
Take to service dealer.
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