Husqvarna 450 - Manual (Page 2)

CONTENTS
Content Page
Table of contents ………………………….. 2
Unpacking .................................................. 2
Transporting ............................................... 2
Sound Data ................................................ 2
I ntroduction, 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
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.
CAUTION
Only use the center of the handle or the
handle bar when lifting the 450.
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.
UNPACKING
2
TRANSPORTING
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)
SOUND DATA
WARNING
Always wear safety approved hearing protection.
Handle bar
Lifting point
Handle locking knob
Lifting point
Blade release lever