Technical Data
Displacement
Bore
Stroke
Rated capacity per ISO 8893
Operating speed
Max. engine speed with
one-part metal cutting tool
Maximum speed of the tool spindle with
one-part metal cutting tool
Idling speed
Clutch engagement speed
Sound pressure level at the operators ear
Sound pressure level at the bystander's position (50 ft)
Carburetor (diaphragm-carburetor)
Ignition system
Spark plug
Electrode gap
Fuel consumption per ISO 8893
Specific consumption per ISO 8893
Fuel tank capacity
Mixture ratio (Fuel/2-stroke oil)
- when using DOLMAR oil
- when using DOLMAR HP 100-oil
- when using other oils
Gear ratio
Dimensions, assembled,
length / width / height
Total weight with plastic guard
(without cutting tool)
1)
The maximum rated speed of the trimmer head is not exceeded when using a DOLMAR trimmer head.
2)
At max. power.
3)
According to ANSI B 175.3.
Components
1 Cutting tool
2 Gear box
3 Locking bolt
4 Guard (Cutter guard)
5 Main tube
6 Handle tube
7 Throttle (throttle trigger)
8 Short-circuit switch (Start/Stop)
9 Stop knob for halfway throttle
10 Safety locking button (throttle trigger lockout)
11 Bowden cable guide
12 Tube handle holder
13 Hole bar
14 Tank cap
15 Spark plug
16 Starter grip
17 Fan housing
18 Type plate
19 Choke lever
20 Air filter (behind air filter cover)
21 Cover
22 Harness
23 Hip protection pad
24 Muffler guard (for USA only)
cu. in
inch
inch
kW
rpm
1)
rpm
1)
rpm
rpm
rpm
3)
dB (A)
3)
dB (A)
Type
Type
Type
inch
2)
kg/h
2)
g/kWh
oz.
inch
lbs
a)
With one-part metal cutting tool.
1
3
2
4
Type plate (MS-4510 shown)
Spark Arrester 385 174 301
DOLMAR GmbH
22045 Hamburg
Germany
Indicate when ordering spare parts!
MS-3310
3
2.0 (33 cm
)
1.46 (37 mm)
1.22 (31 mm)
1.6
9,000
13,500
10,400
2,500
3,500
a)
b)
98
/ 101
75
a)
/ 77
b)
WALBRO WT-225 A WALBRO WT-225 A WALBRO WT-225 A
Transistor ignition
Transistor ignition
CHAMPION RCJ6Y CHAMPION RCJ6Y CHAMPION RCJ6Y
.020-.030 (0.5-0.8 mm)
.020-.030 (0.5-0.8 mm)
0.72
450
31.7 (0.9 l)
50 : 1
100 : 1
40 : 1
1 : 1.3
71.1 / 26.8 / 8.9
71.1 / 26.8 / 8.9
17.42 (7.9 kg)
b)
7
5
12
6
MS-4510
9806 123456
Serial number
Year of manufacture
386.000.000
MS-4010
3
2.4 (39 cm
)
2.7 (45 cm
1.57 (40 mm)
1.69 (43 mm)
1.22 (31 mm)
1.22 (31 mm)
1.8
9,000
13,500
10,400
2,500
3,500
a)
b)
98
/ 102
99
76
a)
/ 78
b)
Transistor ignition
.020-.030 (0.5-0.8 mm)
0.81
450
31.7 (0.9 l)
31.7 (0.9 l)
50 : 1
100 : 1
40 : 1
1 : 1.3
71.1 / 26.8 / 8.9
17.42 (7.9 kg)
17.42 (7.9 kg)
With 2-line nylon cutting head.
9
8
10
22
11
13
14
21
20
19
18
MS-4510
3
)
2.3
9,000
13,500
10,400
2,500
3,500
a)
b)
/ 102
76
a)
/ 78
b)
1.03
450
50 : 1
100 : 1
40 : 1
1 : 1.3
23
15
16
17
24
9