Replace Spark Plug; Chain Replacement - Craftsman 358.351162 Operator's Manual

INSPECT MUFFLER ANDSPARK
ARRESTOR SCREEN
Astheunit i s
used,carbondeposits
buildup on the mufflerand spark
arrestorscreen,and mustbe removed
to avoidcreating a fire hazard or affect-
ing engineperformance.
Replacethesparkarrestorscreenif
breaksoccur.
Muffler Diffuser
Spark
Arrestor
Screen
Muffler
Cover
Screws
Body Muffler
Cover
CLEANING THE SPARK
ARRESTOR SCREEN
Cleaning is requiredevery25 hoursof
operation or annually, w hichevercomes
first.
• Loosenand removethe 2 mufflercoy- Screws
er screws.
• Removethe mufflercover (cover
snapsoffmufflerbody). Plug
• Removemuffler diffuserand spark Boot
arrestorscreenassembly.Noticethe
orientation of thesepartsfor reassem-
bling.
° Cleanthesparkarrestorscreen witha Spark
wirebrush, Replacescreen if breaks Plug
are found.
• Replaceanybrokenor crackedmuf-
tier parts.
• Reinstalldiffuser and sparkarrestor
screen assembly withholesfacing up
and towardsmufflercover.
• Reinstallmuffler cover and 2 screws
(7-8 ft-ibs.).
REPLACE SPARK PLUG
The sparkplugshouldbe replaced
eachyear toensurethe engine starts
easierand runsbetter.Ignitiontimingis
fixedand nonadjustable.
• Loosenthe3 screwson the cylinder
cover.
• Removethecylindercover.
; Pulloffthe sparkplugboot.
Removesparkplugfrom cylinderand
discard.
• ReplacewithChampionCJ7Y spark
plugand tighten with a 3/4 inchsocket
wrench(10-12 ft-lbs). Spark pluggap
shouldbe ,025 in.
• Reinstall t he sparkplugboot.
• Reinstall t hecylindercoverand 3
screws(15-20 in-lbs).
Cylinder
Cover
. . . , , !
CHAIN REPLACEMENT
CAUTION: Wear protectivegloves
when handling chain.The chainis
sharpandcan cutyou even when it is
not moving.
Itis normalfor a newchainto stretch
during the first30 minutesof operation.
You shouldrecheck yourchaintension
frequently and adjustthechaintension
as required.See Chain Tensionsec-
tion.
• Move On/Stop:switchto the Stop
position.
• Replacetheold chain when it be-
comeswornor damaged.
• Use onlytheLow-Kickback replace-
mentchainspecified in the repair
partslist. The correct r eplacementbar
and chainis also specifiedon a decal
locatedon thechainsaw.
• See yourSearsServiceCenterto re-
placeand sharpenindividual c utters
on yourchain.
i,