To Adjust The Idle Speed; To Clean The Cooling System; To Do Maintenance On The Spark Arrester Screen; To Examine The Spark Plug - Husqvarna 122C Manual De Usuario

Maintenance
Examine the fuel filter for contamination.
Examine the fuel hose for damage.
Examine all cables and connections.
Examine the clutch, the clutch springs and the clutch drum for wear.
Replace the spark plug.

To adjust the idle speed

Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
1. Turn the idle speed screw T, which is identified with
a "T" mark, clockwise until the cutting attachment
starts to rotate.
2. Turn the idle speed screw T, which is identified with
a "T" mark, counterclockwise until the cutting
attachment stops.
3. The idle speed must be below the speed when the
cutting attachment starts to rotate. The idle speed is
correct when the engine operates smoothly in all
positions.
To do maintenance on the spark
arrester screen
• Use a wire brush to clean the spark arrester screen.
14

To clean the cooling system

• Clean the air intake (A) on the starter and the cooling
fins (B) on the cylinder with a brush.
A

To examine the spark plug

CAUTION: Use the recommended spark
plug. Make sure that the replacement is the
same as the manufacturer supplied part. An
incorrect spark plug can cause damage to
the product. Make sure that the spark plug is
installed with a supressor. Speak to your
servicing dealer for more information.
1. Examine the spark plug when:
a) the engine is low on power.
b) the engine is not easy to start.
c) the engine does not operate correctly at idle
speed.
2. If, the engine is not easy to start or operate, examine
the spark plug for unwanted materials. To decrease
the risk of unwanted material on the spark plug
electrodes:
a) make sure that the idle speed is correctly
adjusted.
b) make sure that the fuel mixture is correct.
c) make sure that the air filter is clean.
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