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Technical Specifications
Engine Type ............................2-Cycle,
vertical-cylinder, air-cooled
Displacement ........................73.5 cm
3
*
Bore x Stroke ......................51 x 36mm
Max. Power Output** .................3.3kW
Recommended Engine Idling
Speed .................
2,500 min
-1
(rpm)**
Recommended Maximum Engine
Speed ...............
10,450 min
-1
(rpm)**
Maximum Cutting Depth, EC7500
Abrasive Wheel
305mm ..................................
102mm
Diamond Wheel
320mm ..................................
109mm
Maximum Cutting Depth, EC7600
Abrasive Wheel
355mm ..................................
127mm
Diamond Wheel
360mm ..................................
129mm
Rated Spindle Speed†
EC7500 .................
3,800 min
-1
(rpm)
EC7600 ..................
3,320 min
-1
(rpm)
Maximum Spindle Speed†
EC7500 ..................
4,180 min
-1
(rpm)
EC7600 .................
3,650 min
-1
(rpm)
Maximum Peripheral Wheel Speed†
EC7500 ...............................
67 m/sec
EC7600 ..............................
68 m/sec
Speed Reduction Ratio
EC7500 ...................................
2.50:1
EC7600 ...................................
2.87:1
Type of Fuel ...........Unleaded gasoline
plus 2-cycle engine oil (50:1)
Fuel Tank Capacity ....................800ml
Carburetor Type..................Diaphragm
Ignition System .....................Electronic
Spark Plug .....................NGK BPMR7A
Engine Starting/Stopping ...................
Toggle switch, recoil starter
Power Transmission ........... Automatic
centrifugal clutch, V-ribbed belt
Anti-Vibration System .............. Unified
handles with 7-point support
Safety Devices ...........Throttle lock-out,
wheel guard
Dry Weight (without wheel)
EC7500 ...................................
10.0kg
EC7600 ..................................
10.5kg
Dimensions (L x W x H)
EC7500 ..............
740 x 220 x 375mm
EC7600 .............765 x 220 x 390mm
Sound Pressure Level†
EC7500 ..............................
97 dB (A)
EC7600 .............................
97 dB (A)
Sound Power Level††
EC7500 ............................
108 dB (A)
EC7600 ............................
110 dB (A)
Vibration Level§
Front handle (idle/rated spindle)
EC7500 ....................
6.96/5.48m/sec
2
EC7600 ................
10.09/10.49m/sec
2
Rear handle (idle/rated spindle)
EC7500 ..................
8.61/14.60m/sec
2
EC7600 ..................
8.93/13.70m/sec
2
Recommended Cut-off Wheels
EC7500, abrasive .................305mm dia
EC7500, diamond .................320mm dia
EC7600, abrasive .................355mm dia
EC7600, diamond .................360mm dia
Arbor Sizes ............................... 20mm,
22mm, and 25.4mm
* Measured in accordance with EN ISO 11201:
1995.
** Measured in accordance with ISO 7293: 1983.
† Measured with 305mm wheel (EC7500) and
355mm wheel (EC7600).
†† Measured in accordance with EN ISO 3744:
1995.
§ Measured in accordance with EN 28662-1:
1992.