Husqvarna 135R Bedienungsanweisung Seite 26

The parts of the cooling system are the air intake on the
starter (A), the cooling fins on the cylinder (B) and the
cylinder cover (C).
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary. (Fig. 81)
2. Make sure that the cooling system is not dirty or
blocked.
To lubricate the bevel gear
1. Remove the cutting equipment.
2. Put the product with the grease plug at its highest
position.
3. Remove the grease plug. (Fig. 82)
4. Look into the grease plug hole and turn the drive
shaft. The grease level (A) must be in level with the
top of the gear cogs (B). (Fig. 83)
5. If the grease level is too low fill the bevel gear with
Husqvarna bevel gear grease. Fill slowly and turn
the drive shaft as you apply the bevel gear grease,
stop at the correct level (B).
CAUTION:
grease can cause damage to the bevel
gear.
6. Install the grease plug.
Air filter
Remove dust and dirt from the air filter to keep it clean
and prevent these problems:
• Carburetor malfunctions.
• Problems when you start the product.
• Loss of engine power.
• Increased wear to engine parts.
• Too much fuel consumption.
To clean the air filter
Clean the air filter regularly from dirt and dust. This
prevents carburetor malfunctions, starting problems,
loss of engine power, wear to engine parts and more
fuel consumption than usual.
(Fig. 84)
• Clean the air filter at an interval of 25 hours, or more
regularly if you operate the product in conditions with
much dust.
To apply oil to the foam air filter
CAUTION:
special air filter oil. Do not use other types
of oil.
WARNING:
The air filter oil can cause skin irritation.
26
An incorrect quantity of
Always use Husqvarna
Put on protective gloves.
1. Put the foam air filter in a plastic bag.
2. Put the oil in the plastic bag.
3. Rub the plastic bag to supply the oil equally across
the foam air filter.
4. Push the unwanted oil out of the foam air filter while
in the plastic bag. (Fig. 85)
To lubricate the two-piece shaft
• Apply grease to the end of the drive shaft after each
30 hours of operation. (Fig. 86)
To do a check of the spark plug
CAUTION:
spark plug. Refer to
28 . An incorrect spark plug can cause
damage to the product.
1. If the product is not easy to start or to operate
or if the product operates incorrectly at idle speed,
examine the spark plug for unwanted materials. To
decrease the risk of unwanted material on the spark
plug electrodes, do these steps:
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.
2. Clean the spark plug if it is dirty.
3. Make sure that the electrode gap is correct. Refer to,
Technical data on page 28 . (Fig. 87)
4. Replace the spark plug monthly or more frequently if
necessary.
To sharpen the saw blade
WARNING:
protective gloves.
• To sharpen the blade correctly, refer to the
instructions that come with the blade.
• Make sure that the product and blade has sufficient
support when you sharpen it. (Fig. 88)
• Use a 5.5 mm (7/32 in) round file with a file holder.
(Fig. 89)
• Hold the file at an angle of 15°.
• Sharpen one tooth of the saw blade to the right and
the next tooth to the left, see the illustration. (Fig. 90)
Note:
Sharpen the edges of the teeth with a flat
file if the blade is heavily worn. Continue to sharpen
with a round file.
• Sharpen all edges equally to keep the blade
balanced.
Use the recommended
Technical data on page
Stop the engine. Use
975 - 010 - 11.09.2023