GGP ITALY XB38HD Mode D'emploi page 200

MAINTENANCE AND STORAGE
only be tuned if the cutting device moves
when the engine idles.
Speed is reduced by turning the screw marked
«MIN» anti-clockwise until the cutting device
stops moving. The engine should continue to run
as normal.
If the engine does not idle smoothly, turn the
screw clockwise to increase the speed.
WARNING!
!
The cutting device must
not move when the engine idles; contact your
dealer if you are not able to tune it to your
satisfaction.
ANGLE TRANSMISSION (Fig. 23)
Lubricate with lithium-based grease.
Remove the screw (1) and put in the grease,
turning the shaft manually until grease emerges,
then replace the screw (1).
SHARPENING THE 3 OR 4-POINT BLADE
(Fig. 24)
WARNING!
!
Use protective gloves. If
sharpening is done without removing the
blade, disconnect the spark plug cap.
Sharpening must be done taking account of the
type of blade and cutting edges, using a flat file
and working all the points equally.
The references for correct sharpening are given
in Fig. 24:
A = Incorrect sharpening
B = Sharpening limits
C = Incorrect and unequal angles
It is important to retain the correct balance after
sharpening.
3 or 4-point blades can be used from both sides.
When one side of the points is worn, the blade
can be turned and the other side used.
WARNING!
!
The blade must never be
repaired, but must be replaced as soon as
signs of breaking are noted or the sharpening
limit is exceeded.
HEAD LINE REPLACEMENT
Follow the instructions attached to the head for
replacing the nylon line.
SHARPENING THE LINE CUTTING KNIFE
(Fig. 25)
– Remove the line cutting knife (1) from the
guard (2) by unscrewing screw (3).
– Fix the line cutting knife in a vice and sharpen
it using a flat file, being careful to retain the
original cutting angle.
– Refit the knife on the guard.
SHARPENING THE 24-TOOTH SAW BLADE
(Fig. 26)
WARNING!
!
sharpening is done without removing the
blade, disconnect the spark plug cap.
Check that the blade set is approximately 1 mm
and, if necessary, adjust it with pliers.
Sharpen all the teeth uniformly using a round file
(1) 5.5 mm in diameter, using it as shown in the
figure and working alternately on the left and
right teeth.
The tooth profile must not be changed.
WARNING!
!
reversible, thus it must only be used from one
side.
The blade must never be repaired, but must be
replaced as soon as signs of breaking are noted
or the sharpening limit is exceeded.
EXTRAORDINARY MAINTENANCE
All maintenance operations not foreseen in this
manual must be performed exclusively by your
dealer.
All and any operations performed in unautho-
rised centres or by unqualified persons will total-
ly invalidate the warranty.
STORAGE
After every work stint, clean the machine thor-
oughly to remove all dust and debris, and repair
or replace any faulty parts.
The machine must be stored in a dry place away
from the elements and with the cover correctly
fitted.
EN
Use protective gloves. If
The saw blade is not
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