12
-
5.7 LUBRICATION
IMPORTANT To preserve drive parts, we recom-
mend greasing the angle gear and flexible shaft
every 15 hours of use.
Models SBC 645 KF - 653 KF:
distributed over the entire surface; then reas-
(Fig. 22)
WARNING! Use protective gloves. If
sharpening is done without removing the
blade, disconnect the spark plug cap.
The references for correct sharpening are given
in Fig. 22:
A = Incorrect sharpening
IMPORTANT It is important to retain the correct
balance after sharpening. For safety reasons,
sharpening and balancing should be done by a
Specialised Centre with suitable skills and equip-
ment for the job; without risking any damage to
the blade which would make it unsafe when used.
3 or 4-point blades can be used on both sides.
can be turned and the other side used.
WARNING! The blade must never be re-
paired, but must be replaced as soon as
signs of breaking are noted or the sharpen-
ing limit is exceeded.
Blades bearing the code indicated on the chart
-
features.
-
head again, aligning the reference notch (3)
WARNING! Make sure the head is prop-
erly closed along the entire perimeter to pre-
vent it from opening during work, with the
risk of damage or injuries.
2. Cut the line to the indicated length.
holes (4) of the line.
-
KNIFE (Fig. 25)
original cutting angle.
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