Dolmar PM5120R, Instruction Manual, Page: 14 / 212

14
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.
14. EC DECLARATION OF
CONFORMITY
For European countries only
The EC declaration of conformity is included as Annex A
to this instruction manual.
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: refer to ENGINE OWNER’S MANUAL.
Air cleaner element is dirty. Clean air cleaner element: refer to ENGINE OWNER’S
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
OWNER’S 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
OWNER’S 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 OWNER’S
MANUAL.
Engine idles poorly. Air cleaner element is dirty. Clean air cleaner element: refer to ENGINE OWNER’S
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. Remover 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.