Stihl Fs 45 C Manual

FS 45, FS 46
English
29 NHold the mowing head steady and 
rotate the cap (1) counterclockwise 
until it can be removed.
NPull the spool (2) out of the mowing 
head (3) and remove the remaining 
line.Assembling the mowing head
NFit the empty spool in the mowing 
head.
If the spring (4) has popped out,
Npush it into the spool (2) until it 
engages in position with an audible 
click.
NMount the mowing head – see 
"Mounting the Mowing Head".Winding line onto spool
NUse green-coded nylon line with a...

FS 45, FS 46
English
30 NHold the mowing head steady.
NRotate the spool counterclockwise 
until the shortest line is about 4 in 
(10 cm).
NIf necessary, cut the longer line to a 
length of about 4 in (10 cm).
The mowing head is now full.
STIHL AutoCut 5-2
Always check the mowing head for signs 
of wear before replacing the nylon line.
If there are signs of serious wear, 
replace the parts concerned or install a 
new mowing head.Preparations
NShut off the engine.
NPut the machine on the ground with 
the...

FS 45, FS 46
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31 NStraighten out the nylon lines and 
wind them tightly on to the spool – 
one nylon line in each chamber.
NEngage the ends of the lines in the 
notches (2).
Assembling the mowing head
Check that the compression spring is 
installed (see "Mounting the Mowing 
Head").NThread the ends of the lines (6) 
through the sleeves (7) and push 
the spool (2) into the head so that it 
snaps into position.
The nylon lines must disengage from the 
notches (5) as the spool is pushed into...

FS 45, FS 46
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32
Maintenance and Care
The following intervals apply to normal operating conditions only. If your daily work-
ing time is longer or operating 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 damaged
if required
Complete machineVisual inspection (condition, leaks)XX
CleanX
Control handle Check operationXX
Air...

FS 45, FS 46
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33
Cutting AttachmentVisual InspectionXX
ReplaceX
Check tightnessXX
Safety labels ReplaceX
1)STIHL recommends a STIHL servicing dealer.2)not in all versions, market-specific The following intervals apply to normal operating conditions only. If your daily work-
ing time is longer or operating 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...

FS 45, FS 46
English
341Loop Handle
2Spacer
3Stop Switch
4Throttle Trigger Lockout
5Throttle Trigger
6Choke Lever
7Air Filter Cover
8Fuel Filler Cap
9Fuel Tank
10Machine Support
11Fuel Pump
12Carburetor Adjusting Screws
13Starter Grip
14Spark Plug Boot
15Muffler with Spark Arresting Screen
16Line Limiting Blade
17Deflector
18Mowing Head
19Drive Tube
#Serial Number
Main Parts
1311
12
2
8
6
5
43
1
7
9
10#
15
14
16
17
18
19
232BA076 KN 

FS 45, FS 46
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35
Definitions
1 Loop Handle
For easy control of machine during 
cutting work.
2 Spacer
Maintains minimum clearance 
between loop handle and control 
handle.
3 Stop Switch
Switches the engine's ignition off 
and stops the engine.
4 Throttle Trigger Lockout
Must be depressed before the 
throttle trigger can be activated.
5 Throttle Trigger
Controls the speed of the engine.
6 Choke Lever
Eases engine starting by enriching 
mixture.
7 Air Filter Cover
Covers and protects the air...

FS 45, FS 46
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36
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with 
integral fuel pump
WeightContact 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...

FS 45, FS 46
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37
Not for California
Your 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 
equipment 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 
materials...

FS 45, FS 46
English
38 required maintenance will be warranted 
for the period of time up to the first 
scheduled replacement point for that 
part.
Diagnosis
You, as the owner, shall not be charged 
for diagnostic labor which leads to the 
determination that a warranted part is 
defective. However, if you claim 
warranty for a component and the 
machine is tested as non-defective, 
STIHL Incorporated will charge you for 
the cost of the emission test. Mechanical 
diagnostic work will be performed at an...