Contents
Introduction..................................................................... 8
Safety..............................................................................9
Assembly...................................................................... 13
Operation...................................................................... 13
Maintenance................................................................. 19
Troubleshooting............................................................ 25
Transportation and storage...........................................26
Technical data.............................................................. 27
Accessories.................................................................. 28
Warranty....................................................................... 30
Introduction
Product description
The Husqvarna 445 II, 445e II, 450 II, 450e II are
chainsaw models with a combustion engine.
Work is constantly in progress to increase your safety
and efficiency during operation. Speak to your servicing
dealer for more information.
Intended use
This product is intended for sawing in wood.
Note: National regulations can set limit to the operation
of the product.
Product overview
(Fig. 1)
1. Cylinder cover
2. Air purge bulb
3. Start decal
4. Start/stop switch
5. Rear handle
6. Information and warning decal
7. Fuel tank
8. Adjuster screws carburetor
9. Starter rope handle
10. Starter housing
11. Chain oil tank
12. Product and serial number plate
13. Felling direction mark
14. Front handle
15. Chain brake and front hand guard
16. Muffler
17. Saw chain
18. Bar tip sprocket
19. Guide bar
20. Spiked bumper
21. Chain catcher
22. Chain tensioning screw
23. Clutch cover
24. Right hand guard
25. Throttle trigger
26. Throttle trigger lockout
27. Operator's manual
28. Combination wrench
29. Guide bar cover
Symbols on the product
(Fig. 2)
Stop.
(Fig. 3)
WARNING! Be careful and use the product
correctly. This product can cause serious
injury or death to the operator or others.
(Fig. 4)
Read the operator's manual carefully and
make sure that you understand the
instructions before you use this product.
(Fig. 5)
Always wear approved protective helmet,
approved hearing protection and eye
protection.
(Fig. 6)
Use 2 hands to operate the product.
(Fig. 7)
Do not operate the product with one hand
only.
(Fig. 8)
Do not let the guide bar tip touch an object.
(Fig. 9)
Other approved bar and chain combinations
in the operator's manual.
(Fig. 10)
Computed kickback bar stopping angle
without actuated chainbrake, CKA wob.
(Fig. 11)
Computed kickback bar stopping angle with
actuated chainbrake, CKA wb.
(Fig. 12)
Warning! Kickback can occur when the
guide bar tip touches an object. A kickback
causes a lightning fast reverse reaction that
throws the guide bar up and in the direction
of the operator. Can cause serious injury.
(Fig. 13)
Choke.
8
1286 - 003 - 30.06.2020
