AL-KO BC 4125 II-S, User Instructions

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Maintenance and care
440 248_a 21
CAUTION!
Risk of injury from rotatingcutting
head!
Only adjust Bowden cables with the
engine switched off.
Only check the function with the
strimmer lying down.
Sharpening the string cutter blade
1. Remove the cutting blade from the guard.
2. Clamp the cutting blade in a vice and sharpen
it with a flat file.
File in one direction only!
Spark plug
1. Tighten the spark plug with a torque of
12-15 Nm.
2. Push the spark plug connector onto the spark
plug.
ADVICE
Spark plug gap = 0,635 mm [0.025“] .
see Figure 8
Carburettor adjustment
The carburettor is optimally adjusted at the fac-
tory.
STORAGE
CAUTION!
Risk of fire and/or explosion!
Do not store the machine in the vicinity
of naked flames or heat sources.
Empty the fuel tank before long periods of
storage (over the winter).
Only empty the fuel tank outdoors.
Allow the engine to cool down before storage.
Steps
1. Empty the fuel tank.
2. Start the engine and let it idle until it stops.
3. Let the engine cool down.
4. Loosen the spark plug with a spark plug so-
cket.
5. Pour a teaspoon of 2-stroke oil into the com-
bustion chamber.
6. Pull the starter cord slowly several times to
distribute the oil in the interior of the engine.
7. Insert the spark plug again.
8. Thoroughly clean and service the device.
9. Store the device in a cool dry place.
CAUTION!
Fire hazard!
Do not store fuelled machine in buildings
where the petrol fumes might come into
contact with naked flames or sparks!
RECOMMISSIONING
1. Remove the spark plug.
2. Quickly pull the starter cord to remove leftover
oil from the combustion chamber.
3. Clean the spark plug and check the spark
gap. Replace if necessary.
4. Prepare the device for operation.
5. Fill the tank with the correct fuel/oil mixture.
DISPOSAL
Do not dispose of old
equipment,batteries or accumulators
as householdwaste!
Product, packaging, and accessories
were made with recyclable materials, and
should be disposed of accordingly.
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE CORRECTION
Engine does not start Incorrect starting procedure Observe operating instructions
Wrong lever position on the
choke
Set the lever to RUN
Dirty, incorrectly adjusted or
wrong spark plug
Clean, adjust or exchange the
spark plug
Engine starts but does not con-
tinue to run
Fuel filter clogged Exchange the filter