Stihl Fs 450 K Manual

40 English / USA
FS 300, FS 350, FS 400, FS 450, FS 4801)  STIHL recommends that this work be done by 
a STIHL servicing dealer
* not in all versions, market-specificMaintenance ChartPlease note that the following maintenance intervals apply for normal operating 
conditions. If your daily working time is longer than normal or cutting conditions 
are difficult (very dusty work area etc.), shorten the specified intervals accordingly.
before 
starting work
after finishing 
work or daily
after each
refueling...

41 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
1)
STIHL recommends that this work be done by 
a STIHL servicing dealer Please note that the following maintenance intervals apply for normal operating 
conditions. If your daily working time is longer than normal or cutting conditions 
are difficult (very dusty work area etc.), shorten the specified intervals accordingly.
before 
starting work
after finishing 
work or daily
after each
refueling stop
weekly
monthly
every 12 months
if problem
if...

42 English / USA
FS 300, FS 350, FS 400, FS 450, FS 480    1Handlebar
  2Handle heating switch
(Special accessory)
 
  3Throttle trigger
  4Slide control
  5Throttle trigger interlock 
  6Clamp screws
  7Carrying strip
  8Fuel pump
  9Choke knob
10Filter cover
11Fuel tank
12Spark plug boot
13Decompression valve
14Muffler
15Starter grip
16Carburetor adjusting screws
17Fuel filler cap
18Guard plate
19Cutting tool
20Deflector
Parts and Controls
2
41
3
56
7
89
1011
256BA077 KN
16
1213
14
15
17
18
256BA078...

43 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
Definitions1. Handlebar
For easy control of the machine with 
both hands during cutting work.
2. Handle Heating Switch.
For switching the electric handle 
heating on and off.
3. Throttle Trigger
Controls the speed of the engine.
4. Slide Control
For starting throttle, run and stop. 
Keeps the throttle partially open 
during starting, switches the 
engine’s ignition off to stop the 
engine.
5. Throttle Trigger Interlock 
Must be depressed before the...

44 English / USA
FS 300, FS 350, FS 400, FS 450, FS 480 EPA / CEPA:
The Emission Compliance Period 
referred to on the Emissions 
Compliance Label indicates the number 
of operating hours for which the engine 
has been shown to meet Federal 
emission requirements.
Category:
A = 300 hours, 
B = 125 hours, 
C = 50 hours
CARB: 
The Emission Compliance Period used 
on the CARB-Air Index Label indicates 
the terms: 
Extended = 300 hours, 
Intermediate = 125 hours, 
Moderate = 50 hoursEngineSTIHL single...

45 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
Contact your STIHL dealer for 
information regarding special 
accessories that may be available for 
your product.Users of this unit should carry out only 
the maintenance operations described 
in this manual. Other repair work may be 
performed only by authorized STIHL 
service shops.
Warranty claims following repairs can be 
accepted only if the repair has been 
performed by an authorized STIHL 
servicing dealer using original STIHL 
replacement...

46 English / USA
FS 300, FS 350, FS 400, FS 450, FS 480Your Warranty Rights and 
Obligations The U.S. Environmental Protection 
Agency (EPA) and STIHL Incorporated 
are pleased to explain the Emission 
Control System Warranty on your equip-
ment type engine. In the U.S. new 1997 
and later model year small off-road 
equipment engines must be designed, 
built and equipped, at the time of sale, to 
meet the U.S. EPA regulations for small 
non road engines. The equipment 
engine must be free from defects in...

47 FS 300, FS 350, FS 400, FS 450, FS 480English / USA
If any emission related part on your 
engine is defective, the part will be 
replaced by STIHL Incorporated at no 
cost to the owner. Any warranted part 
which is not scheduled for replacement 
as required maintenance, or which is 
scheduled only for regular inspection to 
the effect of repair or replace as 
necessary will be warranted for the 
warranty period. Any warranted part 
which is scheduled for replacement as 
required maintenance will be...

48 English / USA
FS 300, FS 350, FS 400, FS 450, FS 480STIHL Registered TrademarksSTIHL
®
q
(
The color combination orange-grey 
(U.S. Registrations #2,821,860; 
#3,010,057; and #3,010,058)
4-MIX
®
AUTOCUT
®
EASYSTART
®
OILOMATIC
®
STIHL Cutquik
®
STIHL DUROMATIC
®
STIHL Farm Boss
®
STIHL Quickstop
®
STIHL ROLLOMATIC
®
STIHL WOOD BOSS
®
TIMBERSPORTS
®
YARD BOSS
®
Some of STIHL’s Common Law 
TrademarksBioPlus™
Easy2Start™
EasySpool™
ElastoStart™
Ematic™ / Stihl-E-Matic™
FixCut™
HT Plus™
IntelliCarb™...

49 FS 300, FS 350, FS 400, FS 450, FS 480español / EE.UU
BA_SE_081_009_31_07.fm Impreso en papel sin cloro.
Las tintas contienen aceites vegetales,el papel es reciclable. © ANDREAS STIHL AG & Co. KG, 2008 
0458 255 8621 A. M0.5. B8. Rei. Printed in Germany 
STIHlContenidoGuía para el uso de este manual  ...  50
Medidas de seguridad y
técnicas de manejo  ........................  51
Combinaciones aprobadas de 
herramienta de corte, deflector, 
tope y arnés  ....................................  66
Montaje...