To Replace The Blade; To Do A Check Of The Oil Level; To Change The Engine Oil; Air Filter - McCulloch M40-120 CLASSIC Manual De Usuario

2. Look at the blade to see if it is damaged or blunt.
Note: It is necessary to balance the blade after it is
sharpened. Let a service center sharpen, replace and
balance the blade. If you hit an obstacle that causes the
product to stop, replace the damaged blade. Let the
service center estimate if the blade can be sharpened or
must be replaced.

To replace the blade

1. Lock the blade with a block of wood.(Fig. 28 )
2. Remove the blade bolt.
3. Remove the blade.
4. Examine the blade support and blade bolt to see if
there are damages.
5. Examine the engine shaft to make sure that it is not
bent.
6. When you attach the new blade, point the angled
ends of the blade in the direction of the cutting cover.
(Fig. 29 )
7. Make sure that the blade is aligned with the center of
the engine shaft.
8. Lock the blade with a block of wood. Attach the
spring washer and tighten the bolt and washer with a
torque of 45–60 Nm.(Fig. 30 )
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.
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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 .

Air filter

An air filter that is used for a long time cannot be fully
cleaned. Replace the air filter at regular intervals.
Note: Always replace a damaged air filter.
To clean the paper filter
1. Remove the air filter cover and remove the paper
filter.
2. Hit the filter against a flat surface to make the
particles fall off.
CAUTION: Do not use solvent or
compressed air to clean the paper filter.
3. Put the air filter back. Make sure that the air filter
fully seals against the air filter holder.
4. Put the air filter cover back.
To clean the foam plastic filter
1. Remove the air filter cover and remove the foam
plastic filter.
2. Clean the foam plastic filter with soap and water.
3. Flush the foam plastic filter in clean water.
4. 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.
5. Lubricate the foam plastic filter with engine oil.
6. Press a clean cloth against the foam plastic filter to
remove unwanted oil.
To do a check of the
11