Replace Spark Plug - Craftsman 358.351062 Operator's Manual

Cylinder
Cover
Screws
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTOR SCREEN
As the unitis used, carbondeposits
build up on the mufflerand spark
arrestor screen,and mustbe removed
to avoid creatinga fire hazard or affect-
ingengine performance.
Replace the spark arrestor screen if
breaks occur.
,__,,.,__/Mu filerDiffuser
Spark
Arrestor
P_="-,Y I],(_/_'f Y / Screen
1___,/_ Cover
Body _"=_ Muffler ''_.
Cover
CLEANING THE SPARK
ARRESTOR SCREEN
Cleaningis requiredevery 25 hours of
operationor annually, whichevercomes
first.
• Loosenand removethe 2 mufflercov-
er screws.
• Removethe mufflercover (cover
snaps offmufflerbody).
, Remove mufflerdiffuserand spark
arrestorscreenassembly.Noticethe
orientation of these partsfor reassem-
bling.
• Cleanthespark arrestorscreen witha
wire brush.Replacescreen if breaks
are found.
, Replaceany brokenor cracked muf-
fler parts.
. Reinstalldiffuserand spark arrestor
screen assemblywith roundholes
facingup and towardsmufflercover.
• Reinstallmufflercover and 2 screws
(7-8 ff-lbs.).
REPLACE SPARK PLUG
.
The sparkplug shouldbe replaced
eachyear to ensurethe engine starts
easier and runs better.Ignitiontimingis
fixedand nonadjustable.
, Loosenthe 3 screwson the cylinder
cover. _,_ _
• Removethe cylindercover.
Pulloffthe spark plugboot.
Removespark plugfrom cylinderand
discard.
• Replacewith ChampionRCJ7Y spark
plug and tightenwith a 3/4 inchsocket
wrench(10-12 ff-tbs), Spark plug gap
shouldbe .025 in.
• Reinstallthe sparkplug boot.
° Reinstallthe cylindercover and 3
screws(t5-20 in-lbs).
Screws
Cylinder
Cover
Plug
Boot
Spark
Plug
CHAIN REPLACEMENT
CAUTION:Wear protective gloves
when handling chain. The chain is
sharp and can cut you even when it is
not moving,
It is normal for a new chain to stret_;h
during the first 30 minutes of operation.
You should recheck your chain tension
frequently and adjust the chain tension
as required. See Chain Tension sec-
tion.
• Move On!Stopswitchto the Stop
position.
ReplaceDe old chainwhen it be-
i comes_qm.er damaged.
Use onlytheI_ow-Kickback replace-
mentchainspecified in the repair
parts list.The corre_ replacementbar
and chain is alsospecified on a decal
locatedon the chainsaw.
, See yourSears Service Centerto re-
place and sharpen individual c utters
on yourchain.
1,1