Husqvarna 336 用户手册

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 – 13
GENERAL SAFETY PRECAUTIONS
Place the depth gauge tool over the chain. Detailed 
information regarding the use of the depth gauge tool, will 
be found on the package for the depth gauge tool. Use the 
flat file to file off the tip of the depth gauge that protrudes 
through the depth gauge tool. The depth gauge setting is 
correct when you no longer feel resistance as you draw 
the file along the depth gauge tool.
Tensioning the chain
The more you use a chain the longer it becomes. It is therefore 
important to adjust the chain regularly to take up the slack.
Check the chain tension every time you refuel. NOTE! A new 
chain has a running-in period during which you should check 
the tension more frequently.
Tension the chain as tightly as possible, but not so tight that 
you cannot pull it round freely by hand.
Loosen the bar nuts that hold the clutch cover/chain brake. 
Use the combination spanner. Then tighten the bar nuts 
by hand as tight as you can.
Raise the tip of the bar and stretch the chain by tightening 
the chain tensioning screw using the combination 
spanner. Tighten the chain until it does not sag from the 
underside of the bar.
Use the combination spanner to tighten the bar nuts while 
lifting the tip of the bar at the same time. Check that you 
can pull the chain round freely by hand and that it does not 
sag from the underside of the bar.
The position of the chain tensioning screw on our chain saws 
varies from model to model. See instructions under the 
heading What is what? to find out where it is on your model.
Lubricating cutting equipment
Chain oil
Chain oil must demonstrate good adhesion to the chain and 
also maintain its flow characteristics regardless of whether it 
is warm summer or cold winter weather.
As a chain saw manufacturer we have developed an optimal 
chain oil which has a vegetable oil base. We recommend the 
use of our own oil for both maximum chain life and to minimise 
environmental damage. If our own chain oil is not available, 
standard chain oil is recommended.
Never use waste oil!  This is dangerous for yourself, the 
machine and the environment.
Filling with chain oil
All our chain saws have an automatic chain lubrication 
system. On some models the oil flow is also adjustable.
The sizes of the chain oil tank and fuel tank have been 
chosen so that the engine will run out of fuel before 
running out of oil. This means that you should never run 
with a dry chain. 
However, this safety feature requires that you use the right 
sort of chain oil (if the oil is too thin it will run out before the 
fuel), and that you adjust the carburetor as recommended 
(a lean mixture may mean that the fuel lasts longer than 
the oil) and that you also use the recommended cutting 
equipment (a bar that is too long will use more chain oil).
!
WARNING! A slack chain may jump off the 
bar and cause serious or even fatal injury.
!
WARNING! Poor lubrication of cutting 
equipment may cause the chain to snap, 
which could lead to serious, even fatal 
injuries.
IMPORTANT! When using vegetable based saw chain oil, 
dismantle and clean the groove in the bar and saw chain 
before long-term storage. Otherwise there is a risk of the 
saw chain oil oxidizing, which will result in the saw chain 
becoming stiff and the bar tip sprocket jamming.