Hyundai HYM51SPE User Manual

7. TROUBLESHOOTING.
7.1. Engine troubleshooting – where necessary
all corrective actions should be carried out by
suitably qualified persons.
7.2. 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 – ENGINE DOES NOT START.
ENGINE DIFFICULT TO START OR LOSES POWER.
Possible causes;
1. Dirt, water or stale fuel in tank.
2. Vent hole in fuel tank cap is plugged.
3. Air filter element is dirty.
Possible corrective actions;
1. Drain fuel and clean tank. Fill tank with clean,
fresh fuel.
2. Clean or replace fuel tank cap.
3. Clean air filter element.
ENGINE DOES NOT START ON BATTERY.
Possible causes;
1. Operator Presence Control (OPC) lever not
operated.
2. Battery discharged.
3. Blown fuse. Fuse rating 30 amp blade fuse
Possible corrective actions;
1. Hold the OPC lever towards the main handle
at the same time turn the start key in a
clockwise direction (against spring tension).
2. Charge battery.
3. Open battery housing, check and replace
fuse.
ENGINE OPERATES ERRACTICALLY.
Possible causes;
1. Spark plug is defective.
2. Spark plug gap is incorrect.
3. Air filter element is dirty.
Possible corrective actions;
1. Fit new, correctly gapped plug.
2. Set gap between electrodes at
0.7 to 0.8mm.
3. Clean air filter element.
Page 28
Revision 5 - August 2016
Troubleshooting video guides can be found on
You Tube - please follow link on our website -
http://hyundaipowerequipment.co.uk
Whilst carrying out troubleshooting/
maintenance you must wear appropriate
Personal Protective Equipment (PPE) when using
this machine. Suggested PPE Sturdy footwear,
work gloves (especially when working near
blade), long trousers and hearing protection. To
prevent unwanted starting unplug the HT lead,
for some operations it will be necessary to
remove all fuel/oils.
Possible causes;
1. Throttle lever not in the correct position for
the prevailing conditions.
2. Fuel tank is empty.
3. Stale fuel
4. Air filter element is dirty.
5 .Spark plug is loose.
6. Spark plug cap loose or disconnected from
plug.
7. Spark plug gap is incorrect.
8. Carburetor is flooded with fuel.
9. Faulty ignition module.
10. Loose Operator Prescence Control cable.
Possible corrective actions;
1. Move throttle lever to correct position.
2. Fill tank with fuel.
3. Drain carburetor float bowl.
4. Clean air filter element.
5. Tighten spark plug to 25- 30Nm.
6. Make sure spark plug cap is correctly fitted
onto spark plug.
7. Set gap between electrodes at
0.7 to 0.8mm.
8. Remove air filter element and pull starter
rope continuously until carburetor clears.
9. Contact the service dealer.
10. Loose Operator Prescence Control cable.

Hyundai HYM51SPE Specifications

General

Brand	Hyundai
Model	HYM51SPE
Category	Lawn Mower
Language	English