Clean Fuel Filter; Carburetor Adjustment; Adjusting Procedure - Craftsman 358.350060 Operator's Manual

CLEAN FUEL FILTER
Tocleanfuelfilter,drainyourunitby
runningdry offuel, removefuelcap/re-
tainerassembly fromtank.Pulltilter
fromtankandremovefromllne.Clean
withmilddetergent
a nd rinse. Dry thor-
oughly,reassemble. _ _ .....
CARBURETOR ADJUSTMENT
WARNING: The chain will be moving
Start motor,let it runfor 3 minutes, and
proceed to.the adjustment section. If
engine does not start, refer to trouble-
shootingchart or call 1-800-235-5878.
if engine performance is acceptable at
the pmsst positionsand them is no
chain movement at idle, no further ad-
justrnant is necessary.
ADJUSTING PROCEDURE
dudng most.ofthle procedure. Wear Idle Speed-T
your prated.ire equipment and observe Allow engine to idle. Adjustspeed until
all safety precautions. During the low engine runs withoutchain movement or
speed mixture adjustment recheck idle stalling.
speed after each tum of the screw, The • Turn clockwise to incmasa engine
chain must not move at Idle speed, speed if engine stalls or dies.
Carburetor adjustment is odtical and if • Tum counterclockwiseto decrease
done impmpedy can permanently dam-
age the engine as well as the carbure-
tor. If you require further assistance or
are unsure about performing this proce-
dure, call our customer assistance help
line at 1-800-235-5878.
Old fue!, a dirty air filter, dirty fuel filter,
or floodingmay give the impressionof
an improperlyadjusted carburetor.
Check these conditionsbefore adjust-
ing the carburetor.
The carburetor has been carefully set at
the factory.Adjustments may be neces-
cary if you not[caany of the following
conditions:
• Chain moves at Idle. See "Idle Speed"
underadjusting procedure.
• Sawwillnotidle.See "IdleSpeed"
and "LowSpeedMixture'under a d-
lusting procadum,
• Engine dies or hesitates when it
should accalerate. See "Acceleration
Check" under adjusting procedure.
• Loss of cuttingpower. See "High
Speed Mixture H" under adjusting
procedure.
There are three adjus_tmant s crews on
the carburetor. They are labeled H, L,
and T. They are located in the area just
above the pdmer bulb.
CARBURETOR PRESETS
When making adjustments, do not force
the plastic Umiter caps beyond the
stops or damage will occur.
if carburetor presets am not needed,
proceed to "Idle Speed-T."
• "rum both mixture screws counter-
clockwiseuntilthey stop'.
,. Tu_rp the idle speed screw clockwise
u-_il it stops. Now turn counterclock-
wise 4-,1/2fullturns.
speed.
No further adjustments am necessary if
chain does not move at idle speed and
if performance is satisfactory.
Low Speed Mixture-L
Allow engine to idle.Then accelerate
the engine and note performance. If en-
gine hesitates, bogs down, or smokes
dudng acceleration,turn mixturescrew
clockwisein 1/16-tumincrements until
performanca.i_satisfactory.Repeat this
l)urocedureas neimssaryfor proper ad-
stmenL After completingadjustments,
check for acceleration and chain move-
ment at idle. Reset if necessary.
High Speed Mlxture.-H
DO NOT operate engine at full throttle
for prolonged pedods while making ad-
justments. Damage to the engine can
occur.Make a test cuL Basedon per-
formance of the saw while cutUng,ad-
just the high speed mixture setting in
I/I 6-turn incrementsas follows:
• Qockwisa unl]1 saw has goodpower in
the cutwith no hesitallon. D o not adjust
by scund or spesd, butjudge by how
wellthe saw peflorms., In the cut.
• Counterclockwiseif the saw has
speed, but dies In the cut or lacks
power in the cut.
After completingadjustments, check for
acceleration and chain movement at
idle. Reset if necessary.
Acceleration Check
If the enginedies or hesitatesinsteadof
ec_lerstlng,tumthelowspeed mixt.m
a_ustmant counterdockwise untilyou
have smoothacceismtlonwith no chain
movementat idle. Recheckand adjustas
necessaryfor acceptableperformance.