Husqvarna TC138 Manuel D'utilisation page 35

Problem
The engine does not run smoothly. The spark plug is defective.
The engine becomes too hot.
1706 - 002 - 11.10.2021
Cause
The carburetor is not adjusted cor-
rectly.
The air filter is dirty.
The check valve on the fuel tank
cap is defective.
The fuel tank is almost empty.
There is water in the fuel.
The choke is engaged and the en-
gine is warm.
The fuel mix or fuel type is incor-
rect.
The fuel filter is clogged
The spark plug is defective.
There is dirt in the carburetor or
fuel line.
There is overload in the engine.
The air intake or the cooling fins
on the engine are blocked.
The cooling fan is defective.
The engine oil level is too low.
The ignition lock is defective.
The spark plug is defective.
Action
Replace the spark plug.
Speak to an approved service
agent.
Clean or replace the air filter.
Replace the fuel tank cap.
Fill the fuel tank with fuel.
Remove all fuel from the fuel tank
and the carburetor. Fill the fuel
tank with new fuel and replace the
fuel filter.
Disengage the choke.
Remove all fuel from the fuel tank
and the carburetor. Fill the fuel
tank with the correct fuel mix or
fuel type.
Replace the fuel filter.
Replace the spark plug.
Clean the carburetor and fuel
lines.
Decrease the workload.
Clean the air intake and the cool-
ing fins on the engine.
Speak to an approved service
agent.
Do a check of the engine oil level.
Fill with engine oil if it is necessa-
ry.
Speak to an approved service
agent.
Replace the spark plug.
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