Husqvarna WS 440 HF 用户手册

English

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Always check and mark out where gas pipes are routed. 
Cutting close to gas pipes always entails danger. Make 
sure that sparks are not caused when cutting in view of 
the risk of explosion. Remain concentrated and focused 
on the task. Carelessness can result in serious personal 
injury or death.

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Make sure that no pipes or electrical cables are routed in 
the area to be cut.

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Check that electrical cables within the working area are 
not live.

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Never leave the machine unsupervised with the engine 
running.

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Never saw in such a way that you cannot easily reach the 
emergency stop on the remote control or on the power 
unit. See power unit manual. 

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Make sure that there is always another person close at 
hand when you use the machines, so that you can call for 
help if an accident should occur.

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People that need to be in close proximity of the machine 
must wear hearing protection as the sound level when 
cutting exceeds 85 dB(A).

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Make sure that no people or animals come closer than 4 
m (15 ft) when the machine is running.

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Do not use the machine in bad weather, such as dense 
fog, rain, strong wind, intense cold, etc. Working in bad 
weather is tiring and can lead to dangerous conditions, 
e.g. slippery surfaces.

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Ensure that the working area is sufficiently illuminated to 
create a safe working environment.

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Always ensure you have a safe and stable working 
position.

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Observe care when lifting. You are handling heavy parts, 
which implies the risk of pinch injuries or other injuries.

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Always start by cutting a pilot cut. This is done by feeding 
the blade 3-7 cm (1,2”-2,8”). Now make the pilot cut. The 
cut should not be made at maximum speed, but with care 
in order to obtain a straight cut and with that a basis for the 
next cut. The cutting arm allows blades up to 1 000 mm 
(40”) to be used as the start blade. It is, however, 
recommended to start cutting with an 800 mm (31.5”) 
blade.

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When the pilot cut is finished, a deeper cut can be made. 
The depth of these is determined from instance to 
instance and depends on factors such as hardness of the 
concrete, existence of reinforcing bar, etc. Max. diameter 
of the blade for deeper cuts is 1,200 mm (47”).

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If you change blades to cut deeper in the same cut, make 
sure the thickness of the blade matches the width of the 
groove.

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Let the machine work without forcing or pressing the 
blade.

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Firmly secure or anchor concrete blocks before cutting.  
The heavy weight of cut material can cause extensive 
damage if it is not moved under controlled conditions.

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First make the lower horizontal cut. Now make the upper 
horizontal cut. Finish with the two vertical cuts.

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If the upper horizontal cut is made before the lower 
horizontal cut, the work piece will fall on the blade and jam 
it.

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When making the last cut, the saw should be mounted on 
an adjacent fixed wall. 

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As the rail is symmetrical, the saw unit can be turned to 
make a new cut on the other side of the rail. In this way a 
cut piece is obtained that is in an easily handled size, 
making it easier to remove from the workplace.

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Since the blade rotation direction can be selected, the 
water spray from the blade can also be selected 
regardless of how the saw is turned on the rail.