Makita DPC7321 - Manuel (Page 12)

12
Technical data
Displacement cu in (cm 3 ) 3.9 (64) 4.5 (73)
Bore in (mm) 1.85 (47) 1.97 (50)
Stroke in (mm) 1.46 (37) 1.46 (37)
Max. power hp (kW) 4.4 (3.2) 5.6 (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 ± 145 9,350 ± 145
Max. spindle speed 1/min 4,300 4,300
Sound pressure level at the operators ear dB (A) 97 104
Sound pressure level at the bystander’s position (50 ft) dB (A) 84 86
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed) m/s 2 6 / 5 7 / 6
- Rear handle (idle/rated spindle speed) m/s 2 8 / 6 8 / 7
Carburetor (diaphragm carburetor) Type WALBRO WJ-105
Ignition system (with speed limitation) Type electronic
Spark plug Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap in (mm) .020 (0.5) .020 (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 fl oz (l) 37 (1.1) 37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA HP 100 high-performance oil 100:1 100:1
- when using MAKITA oil 50:1 50:1
Cutting disc for 80 m/sec. 2) in 12" / 0.8" / 0.2" 3) 14" / 0.8" / 0.2" 3) 12" / 0.8" / 0.2" 3) 14" / 0.8" / 0.2" 3)
Cutting disc for 80 m/sec. 2) 4) in 14" / 1" / 0.2" 3) 14" / 1" / 0.2" 3)
Arbor diameter in 0.8" 0.8" / 1.0" 0.8" 0.8" / 1.0"
V-belt no. 965 300 470 965 300 470
Overall weight (tanks empty, without cutting disc) lb 21.38 21.82 21.6 22.04
Displacement cu in (cm 3 ) 4.9 (81) 4.9 (81)
Bore in (mm) 2.05 (52) 2.05 (52)
Stroke in (mm) 1.49 (38) 1.49 (38)
Max. power hp (kW) 6.2 (4.5) 6.2 (4.5)
Max. torque Nm 5.2 5.2
Idling speed 1/min 2,500 2,500
Clutch engagement speed 1/min 3,800 3,800
Engine speed limitation 1/min 9,350 ± 145 9,350 ± 145
Max. spindle speed 1/min 4,300 3,750
Sound pressure level at the operators ear dB (A) 100 100
Sound pressure level at the bystander’s position (50 ft) dB (A) 79 79
Vibration acceleration a
h,w
per EN 1454
- Tubular handle (idle/rated spindle speed) m/s 2 5.6 / 6.3 5.6 / 6.3
- Rear handle (idle/rated spindle speed) m/s 2 8.8 / 6.0 8.8 / 6.0
Carburetor (diaphragm carburetor) Type WALBRO WJ-105
Ignition system (with speed limitation) Type electronic
Spark plug Type NGK BPMR 7A / BOSCH WSR 6F / CHAMPION RCJ 6Y
Electrode gap in (mm) .020 (0.5) .020 (0.5)
Fuel consumption at max. load per ISO 8893 kg/h 2.3 2.3
Specific consumption at max. load per ISO 8893 g/kWh 500 500
Fuel tank capacity fl oz (l) 37 (1.1) 37 (1.1)
Mixture ratio (fuel/two-stroke oil)
- when using MAKITA HP 100 high-performance oil 100:1 100:1
- when using MAKITA oil 50:1 50:1
Cutting disc for 80 m/sec. 2) in 14" / 0.8" / 0.2" 3) 16" / 0.8" / 0.2" 3)
Cutting disc for 80 m/sec. 2) 4) in 14" / 1.0" / 0.2" 3) 16" / 1.0" / 0.2" 3)
Arbor diameter in 0.8" (1.0") 4) 0.8" (1.0") 4)
V-belt no. 965 300 490 965 300 480
Overall weight (tanks empty, without cutting disc) lb 22.05 23.37
2) Circumference speed at max. engine speed
3) Outside diameter / arbor hole / thickness
4) Country-specific
DPC6410 DPC6411 DPC7310, 7320 DPC7311, 7321
DPC8111 DPC8112