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E. CLUTCH AND DRUM/SPROCKET
_II_WARNING
Do not start engine without Guide Bar, Chain, and Bar
Clamp Housing completelyassembled. The clutch can
come off without the g uide bar and chain completely
assembled and serious injury can result. The clutch
•shoes and drum can separate causing the clutch to
violently fly apart and serious injury can result.
• Take the saw to your Seam Service Center for
full clutch inspection and service after each 100
hours of operation, itis recommended thatyou do
notttyto service the dutch or dtum/sprocketyourself
unless you are a competent small engine mechanic
and'have the proper clutch service tools. Proper dis-
assemblYat_d repair of the clutch isextremelyimpor-
tant to the:!ife of the engine and _e safety of the
operator.
• Clutch maintenance is required when:
-- the chain continues to turn while engine idles
after the idle speed screw has been adjusted
tO its capacity.
slippage occurs during a cut.
a chattering noise occurs during cutting.
• Clean the clutch, drum, sprocket and surrounding
area daily during heavy use of the saw. Check to see
that the dutch drum turns freely and smoothly.
• Inspect the sprocket regularly for wear. A worn
sprocket will make the chain run er_aticaJly and wilt
shorten the life of the bar and chain: Figure 42.
• Always have a worn sprocket replaced by your
Sears Service Center whenever a new chain is
installed in order to gain full life expectancy of
the chain.
SPROCKETWEAR
F. AIR FILTER
"H""" • '' I" 'ii
• A dirty air filter:
-- reduces cutting power
m increases fuel consumption
• Clean the air filter:
frequently, especially in very dus_ cond'_ons.
always after 10 tanks of fuel mixture or 5 hours
of operation, whichever is less.
• Replacethe air filter ifany damage occum toit,
jCAUTION:j Never operate the unit without the
air filter in place to avoid damage to the engine.
Items Required: softbristled brush, such as apaint
brush.
1. Clean off ther..aYouretorcover and the area around it.
2. Pull choke to the ful} position (Figure 14, page 11)to
prevent dirtfrom entering the carburetor.
3. Remove the carburetor cover.
4. Removetheairfiitercarefully. Rgure4&
5. _ singletop screwandseparate the two halve_
_CAUTION: ] Do not use gasoline or other flam-
mable liquid to clean the filter toavoid creating a
tim hazard.
6_ _ filter in soap andwater.
7. Brush away all dust and debris from the fitter.
8. Allow filter to dry.
9. Reassemble fitter.
10. Brush away alldebrisfrom surfaces onwhichthe f_tter
ism be placed.
11. Rel_ace the fitter and carburetor cover.
;,0.
Figure42
G. STORAGE-
Figure 43
When your saw is to be stored for over 30days aF
ways:
.1. DPJ_r_5.eJta__in asafe manner (see"I_ Poir_ •
to Remember;', ' page g).
2. Start engine and aliow to run at idle speed until the
engine s_ops.
fuel system.
_CAUT]ON: t Wear protective gloves wh_ han-
dling the chain. The chain is sharp and can cut
you even when it is not moving,
3. Drainoil tank..
4. Remove, dean, a'nddrythebar and chain.
S.._Gtorethe chain ",_a c_,,t_er fi_-_ _dtopre-
vent rust
6. Applya coatingof oilto the entiresurfaceof the bar
andwrapitinheavypaper, clothorplastic,
8, Storethesawinadryplaceoutofthereachofchildren
andz_wayfrom wherefuel vaporscanreachsparksor
openflames from hotwater.heaters,furnaces, ere.
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