Shindaiwa 68002-94310 manual Technical Specifications

Replacing the Drive Belt		Checking the Cut-off Wheel
1.	Loosen the tension screw. Loosen
	the two bolts on the belt guard and	WARNING!
	remove the belt guard by sliding it
	to the right. See Figure 26.	Never use a wheel which has
2.	Loosen the two bolts in the clutch	breakage, cracks or distortion.
	cover and remove the clutch cover.	The wheel may break while
3.	Replace the old belt with a new one.	operating and may result in
		serious injury.

			Always check the condition of the cut-
		Slide	off wheel before starting the engine.
		forward to	Make sure there are no breaks, cracks
		remove	or warps. See Figure 28.
			A faulty wheel must be replaced
			with a new one!
		EC7500.35	The tips of a diamond wheel should be
			sharpened regularly to maintain
			cutting efficiency. See page 22.
Tension	Clutch	Belt Guard
	Cover	Bolt
Screw
Figure 26

4.Reassemble the clutch cover and the belt guard and adjust the belt

tension. Figure 27 illustrates the	Cracks
components.

	Missing
	Tips
	Worn Tips
	EC7500.36
	EC7500.47
Figure 27	Distortion or Warps
	Figure 28

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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/sec2
EC7600	10.09/10.49m/sec2
Rear handle (idle/rated spindle)
EC7500	8.61/14.60m/sec2
EC7600	8.93/13.70m/sec2
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.

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