McCulloch M51-120M CLASSIC Manuel D'utilisation page 11

9. Pull the blade around by hand and make sure that it
turns freely.
WARNING: Use heavy duty gloves. The
blade is very sharp and cuts can easily
occur.
10. Start the product to do a test of the blade. If the
blade is not correctly attached, there is vibration in
the product or the cutting result is unsatisfactory.
To do a check of the oil level
CAUTION: A too low oil level can do
damage to the engine. Do a check of the oil
level before you start the product.
1. Put the product on level ground.
2. Remove the oil tank cap with the attached dipstick.
3. Clean the oil from the dipstick.
4. Put the dipstick fully into the oil tank to give a correct
picture of the oil level.
5. Remove the dipstick.
6. Examine the oil level on the dipstick.
7. If the oil level is low, fill with engine oil and do a
check of the oil level again.
To change the engine oil
WARNING: Engine oil is very hot directly
after the engine is stopped. Let the engine
become cool before you drain the engine oil.
If you spill engine oil on your skin, clean with
soap and water.
1. Operate the product until the fuel tank is empty.
2. Remove the ignition cable from the spark plug.
3. Remove the oil tank cap.
4. Put a container below the product to collect the
engine oil in.
5. Tilt the product to drain the engine oil from the oil
tank.
6. Fill with new engine oil of the type recommended in
Technical data on page 12 .
7. Do a check of the oil level. See
oil level on page 11 .
To clean the air filter on M51-125M
1. Remove the air filter cover (1).
2. Remove the foam plastic filter (2).(Fig. 30 )
3. Clean the foam plastic filter with soap and water.
865 - 002 - 25.09.2018
To do a check of the
4. Flush the foam plastic filter in clean water.
5. Squeeze the water from the foam plastic filter and let
it dry.
CAUTION: Do not use compressed air.
It can cause damage to the foam plastic
filter.
6. Lubricate the foam plastic filter with engine oil.
7. Press a clean cloth against the foam plastic filter to
remove unwanted oil.
8. Put the foam plastic filter back. Make sure that the
foam plastic filter fully seals against the air filter
holder.
9. Put the air filter cover back.
To replace the air filter on M51-120M
CLASSIC
1. Remove the air filter cover.
2. Remove the air filter cartridge.
3. Replace with a new air filter cartridge.
4. Put the air filter cover back.(Fig. 31 )
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 12 .(Fig. 32 )
• Replace the spark plug if it is necessary.
To examine the fuel system
• Examine the fuel tank cap and the seal for the fuel
tank cap to make sure that there are no damages.
• Examine the fuel hose to make sure that there are
no leaks. If the fuel hose is damaged, let a service
agent replace it.
Technical data
11