Page 6
TMC-7-I-0615
EQUIPMENT DEVELOPMENT CO., INC.
Operating Instructions
To Start Grinding:
•
Operating the machine from the rear, push down, or if operating from the front,
lift the handle very slightly to shift some of the weight off of the disc, but do not
let the disc lift from the slab surface. The slight weight shift will aid in reaching
the operating speed without an excessive start-up power draw.
Once the unit reaches operating speed, allow the edger-grinder to settle
back down on the slab with the full weight on the disc.
•
If the disc is out of balance, stop immediately and have the problem fi xed or
damage to the equipment will result.
For Wet Grinding:
•
Water is not necessary as a coolant but rather as a means of controlling dust. Lightly dampen the fl oor or use a
fi ne mist.
Do not use an excessive amount of water . Excess water on the surface will create a dangerous, slip-
pery surface and more work during cleanup.
•
Sprinkle a small amount of sand on the slab to create a slurry during grinding. The slurry tends to keep the dia-
monds free from build up and the cutting edge exposed. If a squeaking sound is heard or the machine tends to
pull to one side, the diamond segments may have fi lled and are no longer grinding effectively. Discontinue use of
machine. Make sure the throttle is completely closed (full stop position) to insure the engine will not accidently fi re
(kick back) when removing the disc which could cause bodily injury and/or damage to the machine. Then follow
the directions for replacing the diamond disc or optional scarifi er disc.
For Dry Grinding:
Check materials being removed to determine if they are listed on an EPA hazardous substance list. A
breathing respirator is required to help protect the operator.
•
The EDCO industrial VAC’s have available optional HEPA fi lter kits designed to be used when removing
hazardous materials. Standard, shop-vac style vacuums are not capable of extended operation. In addition,
these standard vacs use paper bag fi lters that can clog and overload the vacuum motor.
•
Dry grinding creates a large volume of airborne dust. The edgers are equipped with a 1-1/2” vacuum port for
attaching a high volume industrial vacuum capable of removing particles to three microns. If the materials
involved are hazardous, or unknown and assumed hazardous, the operator must assume responsibility for the
proper handling and disposal of the hazardous material.
Note:
Hazardous debris, including vacuum fi lters, must be disposed of properly according to OSHA and
government
standards.
Figure 1
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