WARNING
If there are signs of serious wear, replace the
complete mowing head.
The thermoplastic cutting blades are referred to
as "blades" in the following.
The mowing head is supplied with illustrated
instructions for replacing the blades. Keep the
instructions for the mowing head in a safe place.
WARNING
To reduce the risk of injury, always shut off the
engine before installing the blades.
► Remove the mowing head.
► Replace blades as shown in the illustrated
instructions.
► Mount the mowing head on the machine.
12 Maintenance and Care
The following information applies in normal oper‐
ating conditions. The specified intervals must be
shortened accordingly when working for longer
than normal or under difficult cutting conditions
(extensive dust, etc.).
All accessible screws, nuts and bolts
► Tighten if necessary
Cutting attachments
► Visual inspection, check they are secure
before starting work and whenever the tank is
refilled
► Replace if damaged
Safety information label
► Replace illegible safety information labels
13 Main Parts
4
3
1
2
5
991
1BA006 KN
6
1 Mowing Head
2 Deflector (for mowing heads only)
3 Line Limiting Blade
4 Drive Tube
5 Coupling Sleeve
6 Wing Screw
14 Specifications
14.1
Engine speed
Max. output shaft speed at cutting attachment
with MultiEngine:
MM 56:
7,000 rpm
14.2
Weight
without cutting attachment, with
deflector:
0.9 kg
14.3
Sound and Vibration Values
Noise and vibration data measurements on
power tools with the FS-MM MultiTool include
idling and rated maximum speed in a ratio of 1:6.
For further details on compliance with Vibration
Directive 2002/44/EC, see
www.stihl.com/vib
14.3.1
Sound pressure level L
peq
in accord‐
ance with EN 14910
MM 56:
93 dB(A)
English
12 Maintenance and Care
12
0458-480-0121-B
