Assembly; Operation - Husqvarna 439 Operator's Manual

Introduction
WARNING: Read and understand the safety
chapter before you assemble the product.
To assemble the guide bar and saw
chain
1. Move the front hand guard rearward to disengage
the chain brake.
2. Remove the bar nut and the clutch cover.
3. Assemble the guide bar onto the bar bolt. Move the
guide bar to its most rear position.
4. Install the saw chain correctly around the drive
sprocket and put it in the groove on the guide bar.
Introduction
WARNING: Read and understand the safety
chapter before you use the product.
823 - 002 - 08.11.2018

Assembly

5. Align the hole in the guide bar with the chain adjuster
pin and install the clutch cover.
6. Tighten the bar nuts finger tight.
7. Tighten the saw chain. Refer to
of the saw chain on page 29 for instructions.
8. Tighten the bar nut.
Note: If the clutch cover is not easy to remove,
tighten the bar nut, engage the chain brake and
release. A click is heard if it is released correctly.

Operation

To do a function check before you
use the product
1. Make sure that the chain brake operates correctly
and that it is not damaged.
2. Make sure that the right hand guard is not damaged.
3. Make sure that the throttle lockout operates correctly
and that it is not damaged.
WARNING: Always use protective
gloves when you assemble the saw
chain.
To adjust the tension
9