Manual Husqvarna 450 II (page 34 of 120) (English, Portuguese, Spanish)

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• Chain pitch, in. The distance between the drive links

of the saw chain must align with the distance of the

teeth on the bar tip sprocket and drive sprocket.

(Fig. 108)

• Number of drive links. The number of drive links is

decided by the type of guide bar.

(Fig. 109)

• Bar groove width, in/mm. The groove width in guide

bar must be the same as the chain drive links width.

(Fig. 110)

• Chain oil hole and hole for chain tensioner. The

guide bar must align with product.

(Fig. 111)

• Drive link width, mm/in.

(Fig. 112)

General information about how to sharpen the

cutters

Do not use a blunt saw chain. If the saw chain is blunt,

you must apply more pressure to push the guide bar

through the wood. If the saw chain is very blunt, there

will be no wood chips but sawdust.

A sharp saw chain eats through the wood and the wood

chips becomes long and thick.

The cutting tooth (A) and the depth gauge (B) together

makes the cutting part of the saw chain, the cutter. The

difference in height between the two gives the cutting

depth (depth gauge setting).

(Fig. 113)

When you sharpen the cutter, think about the following:

• Filing angle.

(Fig. 114)

• Cutting angle.

(Fig. 115)

• File position.

(Fig. 116)

• Round file diameter.

(Fig. 117)

It is not easy to sharpen a saw chain correctly without

the correct equipment. Use Husqvarna file gauge. This

will help you to keep maximum cutting performance and

the kickback risk at a minimum.

WARNING: The force of the kickback

increases a lot if you do not follow the

sharpening instructions.

Note: Refer to

To sharpen the saw chain on page 33

for

information about sharpening of the saw chain.

To sharpen the cutters

1. Use a round file and a file gauge to sharpen the

cutting teeth. (Fig. 118)

Note: Refer to

Accessories on page 39

for

information about which file and gauge that

Husqvarna recommends for your saw chain.

2. Apply the file gauge correctly on to the cutter. Refer

to the instruction supplied with the file gauge.

3. Move the file from the inner side of the cutting teeth

and out. Decrease the pressure on the pull stroke.

(Fig. 119)

4. Remove material from one side of all the cutting

teeth.

5. Turn the product around and remove material on the

other side.

6. Make sure that all cutting teeth are the same length.

General information about how to adjust the

depth gauge setting

The depth gauge setting (C) decreases when you

sharpen the cutting tooth (A). To keep maximum cutting

performance you must remove filing material from the

depth gauge (B) to receive the recommended depth

gauge setting. See

Accessories on page 39

for

instructions about how to receive the correct depth

gauge setting for your saw chain.

(Fig. 120)

WARNING: The risk of kickback increases if

the depth gauge setting is too large!

To adjust the depth gauge setting

Before you adjust the depth gauge setting or sharpen

the cutters, refer to

To sharpen the cutters on page 34

for instructions. We recommend you to adjust the depth

gauge setting after each third operation that you

sharpen the cutting teeth.

We recommend that you use our depth gauge tool to

receive the correct depth gauge setting and bevel for the

depth gauge.

(Fig. 121)

1. Use a flat file and a depth gauge tool to adjust the

depth gauge setting. Only use Husqvarna depth

gauge tool to get the correct depth gauge setting and

bevel for the depth gauge.

2. Put the depth gauge tool on the saw chain.

Note:

See the package of the depth gauge tool for

more information about how to use the tool.

3. Use the flat file to remove the part of the depth

gauge that extends through the depth gauge tool.

(Fig. 122)

1286 - 002 - 03.06.2020

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Husqvarna 450 II Manual

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