Dolmar PC-7312 HappyStart, Service Manual

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DOLMAR GmbH
Technical data
Displacement cm
3
62 73
Bore mm 46 50
Stroke mm 37 37
Max. power kW 3,3 4,2
Max. torque Nm 4,0 5,0
Idling speed 1/min 2.500 2.500
Clutch engagement speed 1/min 3.800 3.800
Engine speed limitation 1/min 9.350 9.350
Max. spindle speed 1/min 4.300 4.300
Sound pressure level L
pA eq
per EN 1454
1) 4)
dB (A) 97 99
Sound power level L
WA eq
per EN 1454 1) dB (A) 109 110
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed) m/s 2 7 / 5 7 / 6
- Rear handle (idle/rated spindle speed) m/s
2
8 / 6 8 / 7
Carburetor
(diaphragm carburetor)
Type TILLOTSON HS-273 A
Ignition system
(with speed limitation)
Type electronic
Spark plug Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap mm 0,5 0,5
Fuel consumption at max. load per ISO 8893 kg/h 1,65 2,1
Specific consumption at max. load per ISO 8893 g/kWh 500 500
Fuel tank capacity l 1,1 1,1
Mixture ratio (fuel/two-stroke oil)
- when using DOLMAR HP 100 high-performance oil 100:1 100:1
- when using DOLMAR oil 50:1 50:1
Cutting disc for 80 m/sec. 2) (DSA approved): dimensions mm 300 / 20,0 / 5 3) 350 / 25,4 / 5 3) 300 / 20,0 / 5 3) 350 / 25,4 / 5 3)
Arbor diameter mm 20,0 25,4 20,0 25,4
V-belt AVX 838 LA AVX 838 LA
Overall weight (tanks empty, without cutting disc ) kg 9,7 9,9 9,8 10
1)
Figures derived in equal part from idle and max.-speed operation.
2) Circumference speed at max. engine speed
3)
Outside diameter / arbor hole / thickness
4) At the workplace (at user's ear)
PC-6212 PC-6214 PC-7312 PC-7314