To Replace The Blade; To Do A Check Of The Oil Level; To Replace The Engine Oil; To Examine The Spark Plug - Husqvarna LC 151 Manual De Usuario

1. Examine the cutting equipment for damage or
cracks. Always replace a damaged cutting
equipment.
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. 32)
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. 33)
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 43 – 47 Nm. (Fig. 34)
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.
1566 - 001 - 16.09.2020

To replace 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.
(Fig. 35)
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 16 .
7. Do a check of the oil level. Refer to
the oil level on page 13 .

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 16 . (Fig. 36)
• Replace the spark plug if it is necessary.

Air filter

A dirty air filter can cause the engine to be damaged or
not operate correctly. Do maintenance on the air filter
more frequently in dusty conditions. Refer to
Maintenance schedule on page 12 for information about
when to replace the air filter.
Note: Always replace a damaged air filter.
To remove and install the air filter
WARNING: Use protective gloves.
To do a check of
Technical data
13