Husqvarna 326P4 Series Operator's Manual page 22

MAINTENANCE
Final setting of the idling speed T
Adjust the idling speed with
the screw T, ff it is necessaD"
to readjust, First turn the
idle speed adjusting screw T
clockwise until the euIting-
eqipment Sire'IS to rotaei
TIIove,
Then turn counter'-dock-
wise until the cutting-
equipment slops, A correctly
a(tiusted idle speed setting
oeeu_ when the engine rm:s
smootifly in (5,ery position,
k should also be good
margin to the rpm when the
cuttingequipment sta_s to
rotate/move.
_[i _ I
CAUTION! Contact your servicing dealer, if the idle speed
setting cannot be adjusted so that the oattlng attachment
stops. Do not use the machine until it has b_n properly
adjusted or repaired.
High speed needle
H
']'he high speed needle
affects the machine's powen
speed temperatu_ and fuel
ces_sumption, A too lean
adjustment on the high
speed needle
H
(the high
speed needle H ks screwed in
too much) gives a too high
speed resulting in engine
damage, Do not allow the
engine to mn at full speed
for more than I0 seconds.
Apply full throttle mad turn
the high speed needle
H
slowly al_Iie{ockwise until
the engine runs unevenly.
']'he high speed needle H fis
then turned slowly
clockwise a little until the
engine m_s smoothl_
Note
the engine should be
run unloaded when
a(tiusting the
high
speed
needle. The high speed
needle is adlusted correctly
when the machine 'splattecs'
a ltttle
N_I'E! For optimum setting of the carburetor, contact a
qualiFmd servicing dealer who h_s a revolution counter at his
disposal.
Correctly adjusted carburetor
A eo_ed]y adjusted e_buretor me_s t_at the machine
accelerates without hestia_on and the maciflne 4-cycles a Iiltle
at max speed. Fu*_hermore the euttingequipment, must not
rotateJmove at:
idling.
A too lean adjusted Iow speed needle L
m W cause starting difficulties and bad acceleration.
A too Iean adl_ustvdhigh speed needle H gives lower power =
Iess capacity, bad acceleration and/or damage to the engine.
A too rich a(tju.stment of the two speed needles L and 1_{ gives
acceleration problems or too low working speed.
22 - EngI_h