POWXQG7555
EN
Copyright © 2017 VARO
P a g e
|
14
www.varo.com
12 TROUBLES SHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTIVE ACTION
Engine
does not
start.
Throttle chock not in the correct
position for the prevailing conditions.
Move throttle chock to correct
position.
Fuel tank is empty.
Fill tank with fuel.
Air cleaner element is dirty.
Clean air cleaner element
Spark plug loose.
Tighten spark plug to 25-30 Nm.
Spark plug wire loose or
disconnected from plug.
Install spark plug wire on spark
plug.
Spark plug gap is incorrect.
Set gap between electrodes at 0.7
to 0.8 mm.
Spark plug is defective.
Install new, correctly gapped plug.
Carburettor is flooded with fuel.
Remove air cleaner element and
pull starter rope continuously until
carburettor 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
Spark plug gap is incorrect.
Set gap between electrodes at 0.7
to 0.8 mm.
Air cleaner element is dirty.
Clean air cleaner element.
Engine
idles
poorly.
Air cleaner element is dirty.
Clean air cleaner element.
Air slots in engine shroud are
blocked.
Remove debris from shots.
Cooling fins and air passages under
engine blower 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 0.8 mm.
Engine
overheats.
Cooling air flow is restricted.
Remover any debris from slots in
shroud, blower housing, air
passages.
Incorrect spark plug.
Install RJ19LM spark plug and
cooling fins on engine.
Mower
vibrates
abnormally.
Cutting assembly is loose.
Tighten blade.
Cutting assembly is unbalanced.
Balance blade.
