Husqvarna CHTZ600 Operator's Manual page 11

To adjust the idle speed
Your Redmax product is designed and made to
specifications that decrease harmful emissions.
• Make sure that the air filter is clean and the air filter
cover is attached before you adjust the idle speed.
• Adjust the idle speed with the idle adjustment screw
T.
WARNING: If the cutting attachment
does not stop when you adjust the idle
speed, turn to your nearest servicing
dealer. Do not use the product until it is
correctly adjusted or repaired.
• The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be
below the speed when the cutting attachment starts
to turn.
1. Start the product, refer to
cold engine on page 9 .
2. Turn the idle adjustment screw clockwise until the
cutting attachment starts to turn.
3. Turn the idle adjustment screw counterclockwise
until the cutting attachment stops.
Note: Refer to Technical data on page 14 for the
recommended idle speed.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the cooling fins on
1074 - 003 -
To start the product with a
the cylinder, the cylinder cover and the air intake
through the crankcase.
CAUTION: The air intake between the fuel
tank and crankcase, is easily blocked by
leaves. Clean the air intake fully.
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
To examine the spark plug
CAUTION: Always use the recommended
spark plug type. Incorrect spark plug type
can cause damage to the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
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.
• If the spark plug is dirty, clean it and make sure that
the electrode gap is correct, refer to
on page 14 .
• Replace the spark plug if it is necessary.
To clean the air filter
Clean the air filter regularly from dirt and dust. This
prevents carburetor malfunctions, starting problems,
loss of engine power, wear to engine parts and more
fuel consumption than usual.
Technical data
11