MK Diamond EC7600 - Manual (Page 9)

9
Technical Specifications
Engine Type ........................... 2-Cycle,
vertical-cylinder, air-cooled
Displacement ....... 4.5 cu. in. (73.5cc)*
Bore x Stroke .. 2 x 1.4 in. (51 x 36mm)
Max. Power Output** .. 4.5 hp (3.3kW)
Recommended Engine Idling
Speed ................ 2,500 min -1 (rpm)**
Recommended Maximum Engine
Speed ............. 10,550 min -1 (rpm)**
Maximum Cutting Depth, EC7500
Abrasive Wheel
12 in. (305mm) ........... 4 in. (102mm)
Diamond Wheel
12.5 in. (320mm) .... 4.4 in. (109mm)
Maximum Cutting Depth, EC7600
Abrasive Wheel
13.9 in. (355mm) ........ 5 in. (127mm)
Diamond Wheel
14.1 in. (360mm) .... 5.1 in. (129mm)
Rated Spindle Speed†
EC7500 ............... 3,800 min -1 (rpm)
EC7600 ................ 3,320 min -1 (rpm)
Maximum Spindle Speed†
EC7500 ................ 4,220 min -1 (rpm)
EC7600 ............... 3,680 min -1 (rpm)
Maximum Peripheral Wheel Speed†
EC7500 .... 13,300 ft/min. (67.5m/sec)
EC7600 .... 13,500 ft/min. (68.0m/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 ................ Champion, CJ6Y
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 .................... 22 lbs (10.0kg)
EC7600 .................... 23 lbs (10.5kg)
Dimensions (L x W x H)
EC7500 ............ 29.1 x 8.6 x 14.7 in.
(740 x 220 x 375mm)
EC7600 ............ 30.1 x 8.6 x 15.3 in.
(765 x 220 x 390mm)
Sound Pressure Level†
EC7500 ........................... 101 dB (A)
EC7600 ........................... 101 dB (A)
Sound Power Level††
EC7500 ........................... 108 dB (A)
EC7600 ........................... 111 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 ..... 12 in. (305mm) dia
EC7500, diamond .. 12.5 in. (320mm) dia
EC7600, abrasive .. 13.9 in. (355mm) dia
EC7600, diamond .. 14.2 in. (360mm) dia
Arbor Sizes ..................... 0.78" (20mm),
0.86" (22mm), and 1.0" (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.