20
2. TECHNICAL CHARACTERISTICS
21
3. ASSEMBLY
E
N
G
L
I
S
H
2.2 Main parts (Fig. 2 - Fig. 3)
1 - Mixture tank
2 - Starting grip
3 - Carburetor/Air casing
4 - Vibration-damping handle-bar/grip
5 - Vibration damper support
6 - Gas control knob lever with safety
7 - Transmission rod
8 - Bevel gear pair
9 - Cutting tool
10 - Safety guard
11 - Backpack
12 - Flexible shaft
Fig. 3
1
2
3
12
11
10
9
8
7
4
5
6
6
7
8
9
10
4
5
3
1
2
2. TECHNICAL CHARACTERISTICS
2.1 Technical data table
Fig. 2
MODEL
MS-4520 C MS-4520 U MS-4520 B MS-5700 C MS-5700 U MS-5700 B
Shaft diameter (mm)
27
Weight without cutting tools and fuel mixture (Kg)
7,5
7,7
10,9
7,5
7,7
10,9
Fuel tank capacity (cm
3
– l.)
900 - 0,9
Blade diameter (mm)
255 - 305
Blade thickness (mm)
1,4 - 1,6 - 1,8 - 3
Number of teeth (mm)
2 - 3 - 4 - 8
Diameter of attachment hole (mm)
25,5
Max. blade rotation speed (min
-1
)
8.000
Gear ratio
1,37
Rotation direction (as seen from above)
Left
Length (mm)
1785
1785
2760
1785
1785
2760
Width (mm)
385
560
385
385
560
385
Height (mm)
475
475
420
475
475
420
Displacement (cm
3
)
44,9
44,9
44,9
56,5
56,5
56,5
Maximum power (kW) in accordance with ISO 8893
1,62
1,62
1,62
2,21
2,21
2,21
Engine speed at max. power (min
-1
)
7.000
Engine speed at maximum reccomended rotation
frequency of bevel gear shaft
11.000
Bevel gear shaft speed (min
-1
)
8.000
Engine running at idle (min
-1
)
2.500
Specific fuel consumption at maximum power (g7kW*h)
as per ISO 8893.
898
898
898
852
852
852
Level of sound pressure (Lp
A
av) in dB
as per EN 27917
92
92
92
93
93
93
Level of sound power (Lw
A
av) in dB
as per EN 10883
112
112
112
113
113
113
Vibration level at minimum rpm (m/s
2
)
as per ISO 7916
0,85
0,85
0,85
0,87
0,87
0,87
Vibration level at maximum loadless rpm (m/s
2
)
as per ISO 7916
7,3
7,3
7,3
7,4
7,4
7,4
Summary of Contents for MS-4520 B
Page 2: ...2 1 NORME DI SICUREZZA ...
