Instruction Manual
Table Of Contents
- STIHL FS 55
- 1 Guide to Using this Manual
- 2 Safety Precautions and Working Techniques
- 2.1 Clothing and equipment
- 2.2 Transporting the machine
- 2.3 Refueling
- 2.4 Before starting
- 2.5 Starting the engine
- 2.6 Holding and guiding the machine
- 2.7 While working
- 2.8 Using mowing heads
- 2.9 When using metal cutting attachments
- 2.10 Vibrations
- 2.11 Maintenance and Repairs
- 2.12 Symbols on Deflectors
- 2.13 Shoulder strap
- 2.14 Mowing Head with Nylon Line
- 2.15 STIHL Polycut Mowing Head with Polymer Blades
- 2.16 Risk of Kickout (Blade Thrust) with Metal Cutting Attachments
- 2.17 Grass Cutting Blade
- 3 Approved Combinations of Cutting Attachment, Deflector, Handle and Harness
- 4 Mounting the Bike Handle
- 5 Mounting the Loop Handle
- 6 Fitting the Carrying Ring
- 7 Mounting the Deflector
- 8 Mounting the Cutting Attachment
- 9 Fuel
- 10 Fueling
- 11 Fitting the Harness
- 12 Balancing the Machine
- 13 Starting / Stopping the Engine
- 14 Transporting the Unit
- 15 Operating Instructions
- 16 Cleaning the Air Filter
- 17 Adjusting the Carburetor
- 18 Spark Plug
- 19 Engine Running Behavior
- 20 Storing the Machine
- 21 Sharpening Metal Cutting Blades
- 22 Maintaining the Mowing Head
- 23 Inspections and Maintenance by Dealer
- 24 Maintenance and Care
- 25 Minimize Wear and Avoid Damage
- 26 Main Parts
- 27 Specifications
- 28 Maintenance and Repairs
- 29 Disposal
- 30 EC Declaration of Conformity
16 Tank
17 Machine Support
18 Loop Handle
19 Barrier Bar (country specific)
20 Shaft
21 Stop Switch
# Serial Number
1
002BA270 KN
2
3
4
5
1 Mowing head
2 Deflector for mowing heads only
3 Blade
4 Deflector for grass cutting blades only
5 Grass cutting blade
27 Specifications
27.1 Engine
Single cylinder two-stroke engine
Displacement:
27.2 cc
Bore: 34 mm
Stroke: 30 mm
Engine power to ISO 8893: 0.75 kW (1 bhp) at
8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed (rated): 10,000 rpm
Max. output shaft speed
(cutting attachment):
8,400 rpm
27.2 Ignition System
Electronic magneto ignition
Spark plug (resistor type): NGK CMR6H
Electrode gap: 0.5 mm
27.3 Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
330 cc (0.33 l)
27.4 Weight
Dry, without cutting attachment and deflector
FS 55: 4.9 kg
FS 55 R: 4.4 kg
27.5 Noise and Vibration Data
Noise and vibration data measurements include
idling and rated maximum speed with the same
duration of exposure.
For further details on compliance with Vibration
Directive 2002/44/EC see www.stihl.com/vib.
27.5.1 Sound pressure level L
p
to ISO 22868
with mowing head
FS 55 with bike handle: 95 dB(A)
FS 55 R: 95 dB(A)
with metal mowing attachment
FS 55 with bike handle: 94 dB(A)
FS 55 R with barrier bar: 94 dB(A)
27.5.2 Sound power level L
w
to ISO 22868
with mowing head
FS 55 with bike handle: 108 dB(A)
FS 55 R: 108 dB(A)
with metal mowing attachment
FS 55 with bike handle: 107 dB(A)
FS 55 R with barrier bar: 107 dB(A)
27.5.3 Vibration measurement a
hv,eq
to
ISO 22867
with mowing head Handle, left Handle,
right
FS 55 with bike han‐
dle:
5.5 m/s
2
5.5 m/s
2
FS 55 R:
8.5 m/s
2
8.5 m/s
2
with metal mowing
attachment
Handle, left Handle,
right
FS 55 with bike han‐
dle:
6.8 m/s
2
5.6 m/s
2
FS 55 R with barrier
bar:
8.0 m/s
2
9.0 m/s
2
The K‑factor in accordance with Directive
2006/42/EC is 2.0 dB(A) for the sound pressure
level and sound power level; the K‑factor in
accordance with Directive 2006/42/EC is
2.0 m/s
2
for the vibration level.
27 Specifications
English
0458-233-0121-H 31