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CUSTOMER RESPONSIBILITIES
REPLACE SPARK PLUG (Fig. 32) REPLACE FUEL FILTER (Fig. 34, 35 & 36)
The sparkplug shouldbereplacedeach yeartoensurethe
engine startseasier and runsbetter,
Spark Pluggap shouldbe .025"
• Loosen 3 screws on cylindercover.
• Remove cylindercover.
• Twist,then pulloffthe sparkplugboot.
• Remove spark plug fromcylinderand discard.
• Replace with correct sparkplug and tighten with 3/4"
socketwrench (10-12 Ib-ff).
• Reinstallspark plug booL
• Reinstallcylinder cover and3 screws(15-20 in-lb).
Spark
Plug
The fuelfilterahouldbe replacedaftereachssason. Never
operate your saw without a fuel tilter. Be carefulnot to
damage fuel linewhile removingthefuel filter.
Run fuel tankdry of fuel before replacingfuelfilter.
Move on/stopswitch to the "STOP" position.
Remove thefuel cap.
Pullout fuel cap retainer usinga smallpairofpliers.
Bend a piece ofwire.
Insertthebent wire intothe fueltank andhookthefuel
line. Carefullypull out the fuel lineand grabeitherthe
fuel filterorthe fuel line withyourfingers.
Remove fuel tilterfrom the tank.
Remove fuel filterfrom the fuel line.
Eitherclean the fuel filteror replaceit witha newone.
To clean, submerge in warm soapy waterfor 10 min-
utes. Averylightdishwashing liquidisrecommended.
Agitate fuel filter untilit is clean. Rinse thoroughlyin
warm water and air dry.
Reverse processfor installation.
Figure32
INSPECT MUFFLER AND
SPARK ARRESTOR SCREEN (IF INSTALLED)
(Fig. 33)
Asthe unitisused,carbon depositsbuildupon themuffler
and spark arrestor screen (ifinstalled),and must be ra-
moved to avoidcreating a fire hazardor affectingengine
performance.
Required cleaningiseven/25 hoursofoperationor annu-
ally,whichever is less.
Replace the spark arrestorscreenifbreaks occur.
CLEANING THE SPARK ARRESTOR SCREEN
• Loosen and remove the2 mufflercover screws.
• Remove the mufflercover (cover snaps into muffler
body).
• Remove mufflerdiffuserand sparkarrestorscreen as-
sembly. Noticethe orientationofthese parts tot reas-
sembly.
• Cleanthe sparkarrestorscreenwitha wire brushor re-
place itbreaks are found inthescreen.
• Replace any broken orcrackedparts.
• Reinstalldiffuserand sparkarrestorscreen assembly
with roundholes facingupand towardsmufflercover.
• Reinstallmufflercover and 2 screws(7-8 ft-lbs).
Body
MUffierDiffuser/
park Arrestor
I Screen
Cover
,.,o.,or
Figure33
-19-
Figure34
Bent Wire-_
FUel Line_'_F-_--'_----_'_ /_
Figure 35
_"f Fuel Fi_ilter FuelFilter
Fuel Line Barrel
Filter Neck'
Figure 36
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