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Husqvarna 155BT Operator's Manual page 15

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5, Inspection
and
Maintenance
ENGINE
ADJUSTMENTS
I
I.
Adjustment of carburetor
(1) ^djust
the idle
rotating
speed by the
idle adjusting
screw. Turning clockwise
will
make it higher
and counterclockmise
vi]l
make it lower.
(Fig.
9)
(2) idling speed must bo adjusted to the
minimum constant
speed, 3000_+200rpm.
I ,_ CAUT
I ON
1
Should problems arise during
carburetor
adjustment, ask your dealer.
5, tnspecti0n
et
entretien
E E_G_
.L..A_ _G..E...g.E.
_._L. "__.A..P..P.A_
_.E._L_L_
1.
R_giage _u carburateur
(i)
R_gler
le raienti
& l'aide
de la vis de
r_glage
pr_vue _ cet effet.
En tournant
la vis de ralenti
dans le seas des
aiguilles
d'une montre, la vitesse de
ralcnti
augmento ; en tournant
la vis
duns le sons contraire,
Is vitesse
diminue. (FIE. 9)
(2) Le r_gimmde ralentidolt _tre r_gl_ au
r_gime constantminimum:
3.000 _+ 200 tr/min,
I A ATTENT
I ON
[
En cas de difficult_ de r_glagedu
carburateur, s'adresserau concessionnaire.
Fig. 9
O.6--O,7mml
024-.028"'}
Fig.
I0
2, Spark plu9 (Fig, 10)
(I) Clean or replace
the plug if fouled
with
oily
black deposits.
(2) Replace the plug if the center electrode
is roundedat the end or if the ground
electrode
is worn.
(3) Adjust the gap O. 6_0.7
mm.
2.
6augie
(Fig.
10)
(i)Si la bougie est encrass_epar un depot
noir et huileux,la nettoyerou la
remplacer.
(2)Si l'extr_mit_ de l'_lectrode centrale
est arrondieou que l'_lectrode de masse
est us_e, remplacer la bougie.
(3) R_gler l'_cartement & 0,6 _
0.7 mm
(.024 _ .028").
1 1

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145bt