RedMax HTZ750 Manual Del Usuario página 11

Maintenance
Clean the external surface of the carburetor and the area around it.
Clean or replace the spark arrester mesh.
Clean the inner surface of the fuel tank.
Examine the spark plug.
Make sure that the gear housing is filled with grease.
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 attachment starts to move.
4. Turn the idle adjustment screw counterclockwise
until the cutting attachment stops.
WARNING: If the cutting attachment
does 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
1075 - 001 - 18.03.2019
To start the product with a
Technical
Before
operation
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.
After 40 After 100
h h
X
X
X
X
X
11