CONTENTS

 

Content

Page

Table of contents

…………………………..

2

Unpacking

2

Transporting

2

Sound Data

2

Introduction, personal safety

3

Registration of the product …………………

4

General safety message

4

Safety warnings

5

Excel series blades

6

Blade and skid plate installation

6

What is what?

7

Operating instructions

8

Fuel and fuel safety warnings …….……....

9

Recommended fuels

9

Recommended oils …….......……….…..…

9

Maintenance

10

Sawing contraction joints …………....….…

11

Maximizing the Soff-Cut system .......…

12

Troubleshooting

13

Technical specifications

14

Conformity certificates

14

Warranty

15

UNPACKING

Your 450 saw has been shipped from the factory thoroughly inspected. Only minimal assembly is required to start using the saw. Remove the saw from the container using proper lifting techniques. Discard or recycle the packing material per your regional laws. In your container will be the 450 saw, blade shaft wrench, an owner’s manual, an engine owner’s manual, a part list, a warranty card, a joint protector sample pack, a diamond blade, a skid plate, and a ramp for unloading the saw. Raise the saw to its full height by pressing down on the handle bar. Place the unloading ramp at the edge of the container and roll the saw out of the container. Lower the saw by pressing down on the handle bar and squeezing the lever on the handle bar.

TRANSPORTING

The 450 saw weights approximately 139 pounds (63 kilo- grams) when ready to use . Use safe lifting practices when handling the saw. Always remove the diamond blade when transporting the saw. Always transport the saw with a skid plate installed. Raise the guide arm to the back position.

Loosen the handle locking knob and fold the handle forward. Tighten the handle locking knob and make sure the handle is locked in the keyways. The saw can be lifted from the center of the handle. If two (2) people are lifting the saw, use the handle bar and lift with two hands on each side of the saw. Always store and transport the saw in a completely lowered position and secured from moving.

 

 

 

 

 

 

Lifting point

 

 

 

Handle bar

 

 

 

 

 

 

 

Handle locking knob

 

 

Blade release lever

Lifting point

CAUTION

Only use the center of the handle or the

handle bar when lifting the 450.

SOUND DATA

According to Standard ISO 3744:1998 and Directive 2000/14/ EC for environmental sound level and according to Standard ISO 11201:1995 for sound level at the operator’s position, the

450 saw emits the following:

Sound power level

Lwa 102 dB (A)

Sound pressure level

Lpa 86 dB (A)

WARNING

Always wear safety approved hearing protection.

2

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Husqvarna 450 manuel dutilisation Contents, Unpacking Transporting, Sound Data