To Adjust The Idle Speed; To Clean The Cooling System; To Examine The Spark Plug - McCulloch SUPERLITE 4528 Manual Del Usuario

Maintenance
Clean the spark arrester screen on the muffler, replace if it is damaged.
Clean the inner surface of the fuel tank.
Replace the spark plug.
Examine the clutch, clutch spring and the clutch drum for wear. Replace if it is
damaged by an approved servicing dealer.
Make sure that the gear housing is filled with grease.
Do a check of all cables and connections.

To adjust the idle speed

1. Clean the air filter and attach the air filter cover.
2. Start the product. Refer to
cold engine on page 9 .
3. Turn the idle adjustment screw T clockwise until the
cutting unit starts to move.
4. Turn the idle adjustment screw counterclockwise
until the cutting unit stops.
WARNING:
not stop when you adjust the idle speed,
speak to your nearest servicing dealer.
Do not use the product until it is correctly
adjusted or repaired.
Note:
The idle speed is correct when the engine
operates smoothly in all positions. Refer to
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
1255 - 003 - 10.03.2022
To start the product with a
T
If the cutting unit does
Technical
operation
the cylinder (A), the cylinder cover (B) and the air intake
through the crankcase (C).
A
CAUTION:
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:
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.
Before After 40 After 100
h
B
C
The air intake between the
Always use the
h
X
X
X
X
X
X
11