To Replace The Blade - Husqvarna KLIPPO LB 448S Bedienungsanweisung

2. Loosen the adjustment screws some turns, but do
not remove them. (Fig. 31)
3. Replace the center belt and moderately tighten the
adjustment screws.
Note:
This step is not necessary when you only
adjust the center belt.
4. Move the gear forward or rearward to adjust the
center belt. (Fig. 32)
5. Use a hook scale to examine the tension of the
center belt. The belt has the correct tension when it
can move 6–10 mm in the center. That is equal to a
pull of 3 kg. (Fig. 33)
6. Tighten the adjustment screws fully with a torque of
3 Nm.
7. Operate the product to make sure that the drive belt
is correctly installed and adjusted.
To examine the cutting equipment
WARNING:
remove the ignition cable from the spark
plug.
WARNING:
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. 34)
2. Remove the blade bolt, the spring washer and the
blade. (Fig. 35)
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. 36)
14
To prevent accidental start
Use protective gloves
6. Put the friction washer and the blade against the
blade support. (Fig. 37)
7. Make sure that the blade aligns with the center of the
engine shaft. (Fig. 38)
8. Lock the blade with a block of wood. (Fig. 39)
9. Attach the spring washer and tighten the bolt with a
torque of 80 Nm. (Fig. 40)
10. Pull the blade around by hand and make sure that it
turns freely.
WARNING:
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:
damage to the engine. Do a check of the oil
level before you start the product.
1. Put the product on level ground.
2. Close the fuel valve.
3. Remove the oil tank cap with the attached dipstick.
4. Clean the oil from the dipstick.
5. Put the dipstick into the oil tank but do not tighten the
oil tank cap.
6. Remove the dipstick.
7. Examine the oil level on the dipstick.
8. If the oil level is low, fill with engine oil and do a
check of the oil level again. The oil level is correct
when it is at the top mark on the dipstick.
To replace the engine oil
WARNING:
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 16 .
7. Do a check of the oil level. Refer to
the oil level on page 14 .
Use protective gloves.
A too low oil level can do
Engine oil is very hot
To do a check of
1509 - 004 - 15.10.2020