Husqvarna 445 II Operator's Manual page 33

3. Pull out the starter rope approximately 30 cm/12 in
and put it in the notch on the pulley.
4. Let the pulley rotate slowly rearward to release the
recoil spring. (Fig. 100)
5. Remove the center screw, the drive disc (A), the
drive disc spring (B) and the pulley (C).
WARNING: You must be careful when
you replace the return spring or the
starter rope. The recoil spring is in
tension when it is wound up in the starter
housing. If you are not careful, it can
eject and cause injuries. Use protective
glasses and protective gloves.
6. Remove the used starter rope from the handle and
the pulley.
7. Attach a new starter rope to the pulley. Wind the
starter rope approximately 3 turns around the pulley.
8. Connect the pulley to the recoil spring. The end of
the recoil spring must engage in the pulley.
9. Assemble the drive disc spring, the drive disc and
the center screw.
10. Pull the starter rope through the hole in the starter
housing and the starter rope handle.
11. Make a tight knot at the end of the starter rope. (Fig.
101)
To tighten the recoil spring
1. Put the starter rope into the notch in the pulley.
2. Turn the starter pulley approximately 2 turns
clockwise.
3. Pull the starter rope handle and pull out the starter
rope fully.
4. Put your thumb on the pulley.
5. Move your thumb and release the starter rope.
6. Make sure that you can turn the pulley ½ turn after
the starter rope is fully extended. (Fig. 102)
To assemble the starter housing on the
product
1. Pull out the starter rope and put the starter in
position against the crankcase.
2. Slowly release the starter rope until the pulley
engages with the pawls.
3. Tighten the screws that hold the starter. (Fig. 103)
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.
1. Remove the cylinder cover and the air filter.
1286 - 002 - 03.06.2020
2. Use a brush or shake the air filter clean. Use
detergent and water to clean it fully.
Note: An air filter that is used for a long time can not
be fully cleaned. Replace the air filter regularly and
always replace a defective air filter.
3. Attach the air filter and make sure that the air filter
seals tightly against the filter holder. (Fig. 104)
Note: Because of different work conditions, weather or
season, your product can be used with different types of
air filter. Speak to your servicing dealer for more
information.
To do a check of the spark plug
CAUTION: Use the recommended spark
plug. Refer to
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 37 . (Fig. 105)
4. Replace the spark plug monthly or more frequently if
necessary.
To sharpen the saw chain
Information about the guide bar and saw chain
WARNING: Use protective gloves when you
use or do maintenance on the saw chain. A
saw chain that does not move can also
cause injuries.
Replace a worn or damaged guide bar or saw chain with
the guide bar and saw chain combination recommended
by Husqvarna. This is necessary to keep the safety
functions of the product. Refer to
39 , for a list of replacement bar and chain
combinations that we recommend.
• Guide bar length, in/cm. Information about the guide
bar length can usually be found on the rear end of
the guide bar.
(Fig. 106)
• Number of teeth on bar tip sprocket (T).
(Fig. 107)
Technical data on page 37 .
Accessories on page
33