Makita PLM4630N2, Instruction Manual

Page: 18 / 52

18
Transport
Turn the engine off and allow the engine to cool down.
Then disconnect the spark plug wire and empty the fuel
tank according to the instructions in the engine manual. Ensure not to bend or damage the cutter when pushing
the lawn mower over obstacles.
12. TROUBLESHOOTING
13. ENVIRONMENT
Should your machine need replacement after extended
use, do not put it in the domestic waste but dispose of it in
an environmentally safe way.
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Engine does not start.
Throttle choke not in the correct
position for the prevailing conditions.
Move throttle choke 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 25-30 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: 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 0.8 mm.
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 from slots.
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.
Remove any debris from slots in shroud, blower
housing, air passages.
Incorrect spark plug.
Install original spark plug and cooling fins on
engine.
Mower vibrates abnormally.
Cutting assembly is loose. Tighten blade.
Cutting assembly is unbalanced. Balance blade.