Husqvarna 318 用户手册

1. Pull kickback guard back against the front handle to ensure that the chain 

brake is not applied.

2. Screw out the guide bar nut and remove the chain drive cover.

3. Fit the chain around guide bar nose with the top cutters facing forwards.

4. Holding the chain over the guide bar nose, position the back end of the guide 

bar against the drive sprocket at a 45° angle to the power head. Pass the 
free end of the chain around the drive sprocket, swing the guide bar into 
place over the mounting bolt and against the power head, and guide the 
chain into the guide bar groove.

5. Seat the guide bar tensioner pin in its hole in the guide bar.

6. Replace the chain drive cover and screw the mounting nut hand tight.

<45°