MAINTENANCE
Spark plugFiling the saw blade
The spark plug condition is in�uenced by:
WARNING! Using an incorrect cutting
Y Incorrect carburettor adjustment.
!attachment or an incorrectly sharpened
Y An incorrect fuel mixture (too much or incorrect type of blade increases the risk of kickback.
oil).
Y See the cutting attachment packaging for correct
Y A dirty air Ţlter.
sharpening instructions. A correctly Ţled blade is essential
These factors cause deposits on the spark plug electrodes, for working efŢciently and to avoid unnecessary wear to
which may result in operating problems and starting the blade and clearing saw.
difŢculties.
Y Make sure that the blade is well supported when you Ţle
If the machine is low on power, difŢcult to start or runs poorly it. Use a 5.5 mm round Ţle with a Ţle holder.
at idle speed: always check the spark plug Ţrst before taking
any further action. If the spark plug is dirty, clean it and check
that the electrode gap is 0.5 mm. The spark plug should be
replaced after about a month in operation or earlier if
necessary.
CAUTION! Always use the recommended spark plug type!
Use of the wrong spark plug can damage the piston/cylinder.
Y The Ţling angle is 15°. File alternate teeth to the right and
those in between to the left. If the blade has been heavily
pitted by stones it may be necessary to dress the top
Sharpening grass cutters and grass edges of the teeth with a �at Ţle, in exceptional cases. If
so, this should be done before Ţling with a round Ţle. The
bladestop edges must be Ţled down by the same amount for all
the teeth.
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
Y Adjust the blade setting. This should be 1 mm.and disconnect the HT lead from the spark
plug before you start to work on it.
Y See the cutting attachment packaging for correct
sharpening instructions.
Y Sharpen blades and cutters using a single-cut �at Ţle.
Y Sharpen all edges equally to maintain the balance of the
blade.
WARNING! Always discard a blade that is
bent, twisted, cracked, broken or damaged
!
in any other way. Never attempt to straighten
a twisted blade so that it can be reused. Only
use original blades of the speciŢed type.
English � 31 |
ACEC
HUSQVARNA
