Husqvarna LB 553S e. Профи 9678625-01 - Инструкция по эксплуатации - Страница 13

• Do not use a high pressure washer to clean the

product.

• If you use water to clean the product, do not flush

water directly on the engine.

To clean the inner surface of the

cutting cover

1. Put the product on its side with the muffler down.

CAUTION: 

If the product is put with the

air filter down, the engine can become

damaged.

2. Hose down the inner surface of the cutting cover

with water.

To examine the drive belt and clean

the gear housing

1. Remove the screws on the belt guard.(Fig. 27 )
2. Pull the belt guard forward and remove it.(Fig. 28 )
3. Examine the drive belt and belt pulley for damages.
4. Use a brush to remove leaves, grass and dirt from

the gear housing. (Fig. 29 )

To replace and adjust the drive belt

1. Remove the blade. Refer to 

To replace the blade on

page 13.

2. Remove the belt guard. Refer to 

To examine the

drive belt and clean the gear housing on page 13.

3. Remove the drive belt from the belt pulleys.
4. Install a new drive belt.
5. Attach the belt guard.
6. Attach the blade.
7. Operate the product to make sure that the drive belt

is correctly installed and adjusted.

To examine the cutting equipment

WARNING: 

To prevent accidental start

remove the ignition cable from the spark

plug.

WARNING: 

Use protective gloves when you

do maintenance on the cutting equipment.

The blade is very sharp and cuts can easily

occur.

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. 30 )
2. Remove the blade bolt, the spring washer and the

blade.(Fig. 31 )

3. Examine the blade support and blade bolt for

damages.
a) If you replace the blade or the blade support,

also replace the blade bolt, the spring washer

and the friction washer.

4. Examine the engine shaft to make sure that it is not

bent.

5. When you attach the new blade, make sure that the

bent ends point in the direction of the cutting cover.

(Fig. 32 )

6. Put the friction washer and the blade against the

blade support.(Fig. 33 )

7. Make sure that the blade aligns with the center of the

engine shaft.(Fig. 34 )

8. Lock the blade with a block of wood.(Fig. 35 )
9. Attach the spring washer and tighten the bolt with a

torque of 70 Nm.(Fig. 36 )

10. Pull the blade around by hand and make sure that it

turns freely.

WARNING: 

Use protective gloves. The

blade is very sharp and cuts can easily

occur.

11. 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.

895 - 003 - 16.10.2018

13