Stihl 108 User Guide

STIHLFSBB,7DB
InstructionManual
OwnersManual
Assembling
Safety Precautions
Operating
Instructions
Maintenance 

Contents
PartsandControls Starting 34This
manual contains warnings,
- Version withBike Handle 2Adjusting Carburetor 37operating andsafety precautions forthe
- Version withLoop Handle 4
Operating Instructions 40STIHL
FS88and FS108 brushcutters.
- Version withLoop Handle and CheckingSparkPlug
41Payspecial attention tothe safety
Standoff Lever 4Cleaning AirFilter
41precautions outlinedonpages 6to 17.
Safety Precautions and LubricatingGearbox 42
Allowonlypersons whounderstand this
Working Techniques...

PartsandControls
2
1
2
9
Version withBike Handle
1=Handle support
2
=Throttle trigger
3
=Slide control
4
=Throttle triggerinterlock
5
=Bike handle
6
=Throttle cableretainer
7
=Carrying loop
8
=Throttle cable/stop switch wire
9
=Spark plugterminal
10
=Air filtercover
11=Choke lever
12
=Machine support
13
=Fuel tank
14
=Fuel fillercap
15
=Starter grip
16
=Carburetor adjustingscrews
17
=Muffler
18
=Deflector (forallcutting
tools, without skirt)
19
=Metal cuttingItool
(cutting blade230) 

Definitions8.Throttlecable/stopswitchwire.16.Carburetoradjustingscrews.
Connect operators controlgripto
Fortuning carburetor.
1.Handlesupport.thepowerhead.
Connects thedrive shaft
tothehandle bars.17.Muffler.
9.Sparkplugterminal. Attenuatesexhaustnoises
Connects thespark plug
tothe anddiverts exhaust gases away
2.Throttletrigger.
ignitionwire. fromoperator.
Controls thespeed ofthe engine.
10.Airfilter cover.18.Deflector.
3.Slidecontrol.Covers theairfilter element.
Thedeflectorisdesigned toreduce
Starting...

8
VersionwithLoopHandleandloop
handlewithstandofflever
1=Loophandle
2
=Standoff lever
3
=Carrying loop
(not allmarkets)
4
=Slide control
5
=Throttle trigger
6
=Throttle triggerinterlock
7
=Throttle cable/stop switch wire
8
=Spark plugterminal
9
=Air filter cover
10=Choke lever
11=Machine support
4
19
17
18
12=Fueltank
13
=Fuel fillercap
14
=Starter grip
15=Carburetor adjustingscrews
16
=Muffler
17
=Deflector (formowing heads)
18
=Line limiting blade
19
=Cutting tool 

Definitions8.Sparkplugterminal.16.Muffler.
Connects thespark plug
tothe Attenuatesexhaustnoises
1.Loophandle. ignitionwire. anddiverts exhaust gasesaway
For easy control of from
operator.
machine duringcutting work.
9.Airfiltercover.
Covers theairfilter element.
17.Deflector.
2.Standofflever. Thedeflectorisdesigned toreduce
Helps keepunitatasafe distance
10.Chokelever. therisk ofinjury fromforeign objects
fromoperators feetand legs. Easesengine starting flung
backwards towardtheoperator
by enriching...

SafetyPrecautions and
Working Techniques
&
anlgl
Becauseabrushcutter is
, a high-speed, fast-cutting
• powertool,special safety
precautions mustbeobseNed toreduce
the risk ofpersonal injury.
Itisimportant thatyou
read, fullyunderstand
and obseNe thefollowing
safety precautions and
warnings. Readtheowners manualand
the safety instructions periodically. Care­
less orimproper useofany brushcutter
may cause serious orfatal injury.
Have yourSTIHL dealershowyouhow
tooperate yourbrushcutter.ObseNeall
applicable...

THEOPERATOR!
Physical Condition
Youmustbeingood physical condition
and mental healthandnotunder the
influence ofany substance (drugs,
alcohol, etc.)which mightimpair vision,
dexterity orjudgment. Donot operate a
brushcuJter whenyouarefatigued.
Bealert -ifyougettired while operating
your brushcutter, takeabreak.
Tiredness mayresult
inlossofcontrol.
Working withanybrushcutter canbe
strenuous.
Ifyou have anycondition that
might
beaggravated bystrenuous work,
check withyour doctor before operating
a...

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Warning
Never modify abrushcutter
inanyway.
Only attachments suppliedbySTIHL or
expressly approvedbySTIHL foruse
with thespecific STIHLbrushcutter
models areauthorized. Althoughcertain
unauthorized attachmentsareuseable
for the STIHL brushcutter, theiruse
may,
infact, beextremely dangerous.
THEUSE OFTHEBRUSHCUTIER
For illustrations anddefinitions ofthe
brushcutter partsseethechapter on
Parts andControls!
THEBRUSHCUTIER
Transporting thebrushcutter
Warning!
Always turn...

FuelingInstructions
Fuel your brushcutter
inwell-ventilated
areas, outdoors.
rntngl
Gasoline vaporpressure maybuild up
inside thegas tank ofatwo cycle engine
depending onthe fuel used, theweather
condition, andtheventing systemofthe
tank.
Inorderto reducethrisk of
personal injuryfromescaping gasvapor
and fumes, remove thefuel filler capon
your brushcutter carefullysoastoallow
any pressure build-up
inthetankto
release slowly.Neverremove fuelfiller
cap while engine
isrunning. Selectbare
ground forfueling...