Husqvarna 525 LST 用户手册

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页码 36
GENERAL SAFETY PRECAUTIONS
10 – English
Locking nut
A locking nut is used to secure some types of cutting 
attachment.
When fitting, tighten the nut in the opposite direction to the 
direction of rotation of the cutting attachment. To remove 
it, undo the nut in the same direction as the cutting 
attachment rotates. (CAUTION! The nut has a left-hand 
thread.)
When loosening and tightening the saw blade nut, there 
is a risk of injury from the teeth of the saw blade. You 
should therefore always ensure that your hand is shielded 
by the blade guard when doing this. Always use a socket 
spanner with a shaft that is long enough to allow this. The 
arrow in the diagram shows the area where you should 
operate the socket spanner when loosening or tightening 
the nut.
The nylon lining inside the locking nut must not be so worn 
that you can turn it by hand. The lining should offer a 
resistance of at least 1.5 Nm. The nut should be replaced 
after it has been put on approx. 10 times.
Cutting equipment
This section describes how to choose and maintain your 
cutting equipment in order to:
Reduce the risk of blade thrust.
Obtain maximum cutting performance.
Extend the life of cutting equipment.
Cutting equipment
Grass blades and grass knifes are intended for cutting 
coarse grass.
A trimmer head is intended for trimming grass.
!
WARNING! Bear in mind that:
The exhaust fumes from the engine are 
hot and may contain sparks which can 
start a fire. Never start the machine 
indoors or near combustible material!
IMPORTANT!
Only use cutting attachments with the guards we 
recommend! See the chapter on Technical data.
Refer to the instructions for the cutting attachment to 
check the correct way to load the cord and the correct 
cord diameter.
Keep the teeth of the blade correctly sharpened! Follow 
our recommendations. Also refer to the instructions on 
the blade packaging.
!
WARNING! Always stop the engine 
before doing any work on the cutting 
attachment. This continues to rotate even 
after the throttle has been released. 
Ensure that the cutting attachment has 
stopped completely and disconnect the 
HT lead from the spark plug before you 
start to work on it.
!
WARNING! Using an incorrect cutting 
attachment or an incorrectly sharpened 
blade increases the risk of blade thrust.
H1155734-26,524L,525LST,RJD,.fm  Page 10  Friday, March 8, 2013  7:19 AM